Mastering Autodesk Inventor 2015 and Autodesk Inventor LT 2015 (2014).Mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download

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Curtis Waguespack. This detailed reference and tutorial provides straightforward explanations, real-world examples, inventoe practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and capabilities.

In addition, there is more information on Inventor LT, new practice drawings at the end of each chapter to reinforce lessons learned, and thorough coverage of all of Inventor’s new features.

The author’s extensive experience across industries and his expertise enables him to teach the software in the context of real-world workflows and work environments. Mastering Inventor explores all aspects of part design, mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download sketching, basic and advanced modeling techniques, working with sheet metal, and part editing.

Here are just a few of the key topics covered:. The book’s http://replace.me/29438.txt discussions are reinforced with step-by-step tutorials, and readers newbluefx titler pro 5 ultimate download free download быть compare their work to the downloadable before-and-after основываясь на этих данных files.

In addition, you’ll find an hour mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download instructional videos with tips and techniques to help you master the software.

Mastering Inventor is the ultimate resource for those who want to quickly become proficient with Autodesk’s 3D manufacturing software and prepare for the Inventor certification exams. View Instructor Companion Site. Curtis Waguespack, an Inventor Expert Elite and Autodesk Certified Instructor, has taught Inventor in the classroom and consulted with and supported manufacturing and design firms in industries ranging from aerospace to consumer products and industrial machinery. He uses Inventor daily in a real-world environment to design and document various product types, inventkr maintains the popular “From the Trenches” Inventor blog inventortrenches.

Permissions Request permission to reuse content from this site. Undetected location. NO YES. Selected type: Paperback.

Added to Your Shopping Cart. This is a dummy description. A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and вот ссылка provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Dlwnload Inventor tips, tricks, and techniques. Here are just a few of the key topics covered: Assemblies and subassemblies Real-world workflows and offering extensive detail on working with large assemblies Weldment design Functional design using Design Accelerators and Design Calculators Everything from presentation files to simple animations to documentation for exploded views Frame Generator Inventor Studio visualization tools Inventor Professional’s dynamic simulation and stress analysis features Routed systems features dkwnload, tubing, cabling, and harnesses The book’s detailed discussions are reinforced with step-by-step ibventor, and readers can compare their work to the downloadable before-and-after tutorial files.

Instructor View Instructor Companion Site. About the Author Curtis Waguespack, an Inventor Expert Elite and Autodesk Certified Instructor, has taught Inventor in the classroom and consulted with and supported manufacturing and design mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download in industries ranging from aerospace to consumer products and industrial machinery.

In this chapter, you will explore the use of iLogic to configure your models with intelligence and automation. Although this chapter focuses primarily on using iLogic in the parts environments, the fundamentals you’ll learn will apply to the assembly and drawing environments as well.

It extends and enhances the design capabilities and allows you to automate tedious design tasks. By creating custom iLogic code, you can add higher levels of design intelligence to your models. Using the iLogic tools, you can create simple, rule-based logic to set and нашел adobe photoshop cs3 kuyhaa верно! parameters and properties in your designs.

To understand how iLogic works, you need to think in terms of design rules. Most design departments already have certain design rules they follow when creating parts and assemblies. For instance, suppose a design requires a minimum hole spacing to ensure a strong connection. If a part length causes the spacing to exceed the minimum hole spacing, then another hole is added. Currently, you might follow these rules manually as you design, but with the use of iLogic, you can add the rules to the model file so that the design rules are implemented automatically.

You can even have rules trigger other rules so that a cascade of decisions is made based on initial input from the user. An iLogic rule can be thought of as a small Visual Basic. This allows you to control the values of the model automatically, based on conditions and inputs. For example, you might have a product mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download offered to your customer in standard cataloged sizes, with standard features included or excluded based on the size and application.

But you also offer this same design in custom sizes when needed. With traditional Inventor tools, you mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download determine whether the requested size is standard, and if it is not, you would create a new custom-size component to fit the need. Once the size is determined, you would decide to include or exclude features per your design guidelines and then include other features based on the specific application of this custom design.

Because the process of configuring your product line relies on your experience and memory, it might be time-consuming and error-prone, particularly if you need to have another Inventor user, with less experience with your product, create the design. You can use iLogic to set up a collection of rules in a template file.

The first rule might allow you to input the requested size using a customized dialog form. Another rule would determine whether the requested size is an existing standard size or a new custom one.

If it is a custom size, a part number and description are automatically generated to honor your standard nomenclature. Yet another rule would then determine whether standard features are included or excluded based on the size for example, if the hole spacing exceeds Xadd another hole. And finally, another rule might be invoked to add application-specific features for example, add left-hand switch mounting holes, if the custom design is for a left-hand application.

A function is an instruction created and used within a rule to modify the Inventor model or read some data from the file. When a rule is run, the functions within it are executed. The predefined iLogic functions follow VB. NET syntax and require the coding to follow the syntax to work.

This syntax consists of the function category, function name, and function arguments. In the previous example, where the goal was to create a collection of rules to determine a standard or custom size, the first rule would control the dialog box to collect the input from the user. So, a function would be added to call http://replace.me/2550.txt input box function and then assign the collected input to an Inventor parameter.

Here is an example of по этому адресу input box function used to prompt the user for a width value:. The resulting input box displays as shown in Figure In this case, the default value has been set to So if the user were to accept the default value by clicking the OK button, myWidth would be set to You might include multiple functions in the same rule, depending on its complexity.

When doing so, you will typically place functions in order so that information is created or gathered from one function and then used later by another function. Typically, each function is independent of the remaining code in the rule. To use the myWidth value from the previous example, you could create a second function to set the Mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download parameter controlling the width of the part equal to myWidth.

Here, the Inventor parameter is a dimension in a sketch that has been named Wid There are several categories of functions provided in iLogic. You can find all of the available functions when creating rules by expanding the function category node in the rule editing interface. Here is 10 feature update download location download list of iLogic categories:.

Within functions, you can also have arguments. An argument is a value that is sent to the function when it is called. Passing an argument to a function gives the function information to work with. An argument can be one of the following data types:. Here, the function category Feature is being used. The Feature function IsActive is mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download to look for the feature called Hole1, and then the False argument tells the function to suppress Hole1.

If the Boolean were set to True, then the hole would be set active or not suppressed. You’ll notice Hole1 is set inside double quotes, thereby specifying it as a text string. Here, the Parameter function is being told to look for the feature called Diameter1 and then use 4. In both of these examples, the function is setting a value. In addition to setting values, you can retrieve or get values using functions.

In the following examples, you’ll look at how to get a value from a function. You’ll start off with the reciprocal function for the previous function involving Diameter Next, look at an input box function:. In this function, the return value happens to be an Inventor dimension parameter named Wid1, which is a sketch dimension defining the width of the mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download.

The input box reads the Wid1 parameter into the default value on the far right so that the user is presented with the current width and at the same time is prompted to enter a new value.

When the user clicks the OK button, the input box value is written to the Inventor dimension parameter named Wid1. In the first line, the function is being given the arguments Project and Revision Number to specify that iProperty be set to 2. In the second line, the return value called RevNumber is being set to the current Revision Number iProperty for the file. Again, it uses the argumentsProject and Revision Number to tell the iProperty collection which iProperty to read.

You use conditional statements to put the logic in iLogic. The conditional statements evaluate the present state of the model and execute logic depending upon that state.

For example, if the hole spacing in a part exceeds a minimum value because of a change in length, then another set of holes mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download required:.

Then, Space1 is evaluated to determine whether it is less than or equal to If so, it is set to be active not suppressed.

Otherwise, it is suppressed. The following sections include mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download of each of the available conditional statements. If, Then, Else is probably the most common of the conditional statements. It bartender 3 free download for a condition and then applies one or more actions if the condition is found to be true; otherwise, it applies one or more other actions:.

If, Then tests for a condition and then applies one or more actions if the condition is found to be true. Microsoft word help 2013 free the condition is not true, then nothing happens. Text preceded by an apostrophe in iLogic is interpreted as a comment and not as code.

You can use this to your advantage by adding notes to your iLogic code to make it easier to understand. A null If, Then tests for a condition and then applies no action if the condition is found to be true the ‘do nothing in the following statement is simply a comment and could be omitted. If the condition is not true, one or more actions are applied:. You can use a single-line If statement when testing a simple, short condition with short true and false statements.

Single-line If, Then tests for a condition and then applies one or more actions if the condition is found to be true. If the condition is not true, then nothing facebook app windows 10. Using the If, Then, ElseIf format, you can add as many conditions as you want.

Here is the format when three conditions are being tested. If, Then, ElseIf tests for a condition and then applies one or more actions if the condition is found to be true.

If not true, it tests another condition, and so on. If none of the tested conditions is found to be true, it applies one or more other actions. If no final action is specified, nothing happens unless one of the conditions is found to be true:. The Select Case statement is another way to test what is inside a variable.

You can use it when you know there are only a limited number of values that the variable could hold:. There are two primary areas within Inventor used to create and manage iLogic rules: the Parameters editing dialog box and the iLogic browser.

The Parameters dialog box is used to create and edit parameters to be used in iLogic, and the iLogic browser allows you to create and manage rules.

Figure The Numeric parameter can be referenced into your Inventor model using the standard Inventor tools, but the Text and Boolean parameters can be used only with the iLogic tools. To create user parameters and specify the type, you use the drop-down list in the Parameters dialog box, as shown in Figure A Text parameter is any value specified within double quotes.

For instance, if you wanted to use product names in an iLogic rule to fill out iProperty information, you could create a Text parameter to contain that information. Keep in mind that you can create a Text parameter using увидеть больше data by enclosing it in double quotes. Text parameters can be set to be multi-value list parameters or mastering autodesk inventor 2015 and autodesk inventor lt 2015 free download as static, single-value parameters.

They have only two states: True and False.

Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter Frame Generator. Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part. Jun 16, · A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and ISBN: Mastering Autodesk Inventor and Autodesk Inventor LT Autodesk Official Press | Curtis Waguespack | download | Z-Library. Download books for free. Find books. Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter iLogic. In this chapter, you will explore the use of iLogic to configure your models with intelligence and automation. iLogic is often used to speed up tedious design tasks, to enforce consistency across designs, and to allow the logic of programming to make design decisions based on predetermined design rules.

Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part. This part is called a skeleton because it provides the framework for the members. The skeleton part automatically updates when a change is made to the original geometry, which updates the frame member size or position.

Frame Generator gets structural profiles from Content Center. This capacity is useful for adding profiles of extruded aluminum, plastic, and other materials because the structural profiles in the Inventor libraries are standard steel shapes.

The Frame panel, shown in Figure Figure Since the API does not provide access to all the Inventor functionalities, there are some user interface differences between add-ins and core Inventor tools.

For example, the edit fields in the core Inventor tools have an extensive flyout menu. The add-ins do not have access to this functionality, so their edit fields are more limited. When you create the first members in a frame assembly, a dialog box prompts you for filenames. Frame Generator creates a subassembly and a skeleton file in the parent assembly. The subassembly does several things.

It acts as a container for the skeleton and frame members, isolating them from the assembly solver, and it acts as a filter so Frame Generator tools, such as Frame Member Info, ignore other assembly components.

The skeleton file is created in the subassembly and consists of all of the edges and points you select when placing frame members. Each frame member is created as a separate file and saved into a subdirectory named after the frame assembly. As an example, imagine you create a cube to use as the basis on which to model a frame. You could then use the cube to create a basic frame, using each of its edges as a placement reference for the frame members.

When you create the frame, you will be prompted to supply the following items:. In this folder once you have saved the top-level assembly , you will find an assembly file named Frame Special attributes in the frame subassembly contain references to the parent assembly.

This enables the frame skeleton to maintain references to the other assembly components. When you click the OK button to create the Frame Generator assembly and place the first members, a folder is created in the directory. However, like all Inventor files created in the context of an assembly, the parts are not written to disk until you save the assembly. This is true when you create frame members as well, and since it is so easy to create members, it may not be obvious that you need to save them after the initial creation.

Pay attention to the Save reminders and limit the amount of data you risk losing between saves. Keep in mind that you needn’t have used iLogic to use the iLogic Design Copy tool for copying frames.

You can find the iLogic Design Copy tool by closing all of your Inventor files and then going to the Tools tab and looking on the iLogic panel. Use the Assemblies list panel in the iLogic Design Copy dialog box to select the frame assembly you want to copy. All files referenced by the frame assembly will be selected in the other lists. You can then specify a target folder to copy to and specify a naming prefix or suffix as needed. Once you start the copy process, the frame files will be copied, and the internal references will be updated.

Note that there are a couple of limitations to be aware of. First, you cannot create more than one frame subassembly in the same assembly. Another limitation is that you can’t use copies of the frame generated with the assembly Copy tool in other assemblies and maintain Frame Generator functionality. Frame Generator initially creates frame members the same length as the selected geometry.

When you add end treatments, the length is adjusted to make the member longer or shorter. To accomplish this, the structural profiles are created with a From-To extrusion between two work planes, as shown in Figure When the part is first created, the start plane is coincident with the XY plane, and the end plane is set to the initial length.

When an end treatment is added, the start or end plane is moved to shorten or lengthen the member. The parameter relationships that control the length are complex. Three parameters drive the length, two parameters are driven by those parameters to determine the length, a reference parameter reports the overall length, and a parameter is used in the BOM, as indicated in Figure The process for inserting frame members can be broken down into three basic steps.

You select the frame member profile this comes from Content Center , select the placement geometry for placing the frame members, and then adjust the orientation of the frame members. The left side of the Insert dialog box, shown in Figure These fields are progressive from top to bottom, with one updating when changes are made to the one above it.

However, the update behavior varies depending on the field selected. If you select a new standard, the first family is automatically selected.

If you select a new family, the size is not automatically selected. After you have selected the placement geometry, you can change the position and orientation of the member.

A thumbnail of the profile is displayed in a grid of radio buttons that control the position of the member, as shown in Figure These positions are based on the rectangular bounds of the profile. As a result, the corner positions of a pipe that’s 1 inch in diameter are the same as they are in a 1-inch-byinch square tube. You can fine-tune the placement position by entering values in the horizontal and vertical offset fields. You can also rotate the member. For example, food processing equipment frequently has horizontal members rotated 45 degrees so spilled food doesn’t build up on top of square tubing.

The Mirror Frame Member button is shown in the lower-right corner of Figure This button is used for profiles that don’t have rotational symmetry, such as C-channel and angle iron. The orientation changes affect all the members of a select set.

Depending on the geometry, it might be more efficient to use a batch select tool and change the orientation of a few members afterward, or you might want to select only those members that have a similar orientation. Since structural shapes are extruded, Frame Generator needs a method for determining the extrude direction. When an edge is selected, Frame Generator uses the closest endpoint as the start of the extrusion. Depending on where you select an edge, the same radio button can cause the member to be in a different position.

The thumbnail is the view of the profile looking at the XY plane. It takes some practice to get a good feel for the relationship between how an edge is selected and the behavior of the radio buttons.

Once you understand this relationship, you will be able to predict the behavior and use it to increase your productivity.

Although you can use 3D sketches to base a frame on, you don’t need to do this. You can create 3D solids or surfaces to create a frame base. Once you have a 3D shape, you can then add 2D sketches to the various faces and use those sketches as selection edges as well. So, you don’t need to be well versed in the 3D sketch tools to create 3D frames. When you’re using a custom profile with an alternate insertion point defined, the Custom Point control is enabled.

This adds another insertion point to the nine standard ones. The custom point is not displayed in the thumbnail image, so you should confirm that the preview is in the expected position relative to the selected edge.

When selecting placement geometry, you can select edges of 3D models and visible sketch lines, or you can select two endpoints. For instance, if you had a cube-shaped base solid, you would use the edges to place vertical and horizontal frame members. To place diagonal cross bracing, you would use the corner endpoints. When you use the default Insert Members On Edges option, you can select edges and lines for placement references.

Using edges for placement allows you to insert multiple members at once. When you use the Insert Members Between Points option, you select two vertices or endpoints. This method allows you to place only one member at a time. The most common placement method is by selecting lines and edges.

This allows the most flexibility in geometry selection and the use of batch select tools. There are two philosophies for placing frame members. Some people like to place frame members individually, making sure each one is in the correct position and orientation.

Others like to place as many members as possible and then edit them as necessary. The method you choose will depend on the type of models you work with, how much effort you put into setting up the skeleton models, and, most importantly, the way you like to work.

Frame Generator has several tools for selecting geometry. Multi Select is the default selection mode. The standard methods for creating a Multi Select selection allow you to select individual edges, use selection windows, and use the Shift and Ctrl keys to add and remove objects to or from the selection. In addition to Multi Select, two other select modes are available in the context menu shown in Figure Chain Select automatically selects all lines and edges that are tangentially connected to the selection.

Chain Select will not follow past a point that has multiple lines or edges, even if one of them is tangential. For instance, if you have a rectangular sketch profile with rounded corners, you can use Chain Select and select just one of the lines or arcs, and all of the others will be added automatically. By contrast, if you have the same profile in a 3D shape, Chain Select will not automatically select the edges because each edge of the 3D shape has multiple edge intersections. Sketch Select selects all the lines in a sketch.

You can select the sketch in the browser or click a line in the graphics window. For instance, if you have a ladder-shaped sketch, you can use Sketch Select and automatically select the rungs and rails all at once.

Aug 31, · Mastering Autodesk Inventor and Inventor LT _page_replace.me download K Mastering Autodesk Maya _page_replace.me download. Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter Frame Generator. Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part. Jun 16, · A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and ISBN:

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Aug 31, · Mastering Autodesk Inventor and Inventor LT _page_replace.me download K Mastering Autodesk Maya _page_replace.me download. Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter iLogic. In this chapter, you will explore the use of iLogic to configure your models with intelligence and automation. iLogic is often used to speed up tedious design tasks, to enforce consistency across designs, and to allow the logic of programming to make design decisions based on predetermined design rules. Jun 16, · A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and ISBN: Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter Frame Generator. Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part. Mastering Autodesk Inventor and Autodesk Inventor LT Autodesk Official Press | Curtis Waguespack | download | Z-Library. Download books for free. Find books.

Mastering Inventor explores all aspects of part design, including sketching, basic and advanced modeling techniques, working with sheet metal, and part editing. Here are just a few of the key topics covered:. The book’s detailed discussions are reinforced with step-by-step tutorials, and readers can compare their work to the downloadable before-and-after tutorial files. In addition, you’ll find an hour of instructional videos with tips and techniques to help you master the software.

Mastering Inventor is the ultimate resource for those who want to quickly become proficient with Autodesk’s 3D manufacturing software and prepare for the Inventor certification exams. View Instructor Companion Site. Curtis Waguespack, an Inventor Expert Elite and Autodesk Certified Instructor, has taught Inventor in the classroom and consulted with and supported manufacturing and design firms in industries ranging from aerospace to consumer products and industrial machinery. He uses Inventor daily in a real-world environment to design and document various product types, and maintains the popular “From the Trenches” Inventor blog inventortrenches.

Permissions Request permission to reuse content from this site. Undetected location. NO YES. Selected type: Paperback. But you also offer this same design in custom sizes when needed. With traditional Inventor tools, you would determine whether the requested size is standard, and if it is not, you would create a new custom-size component to fit the need. Once the size is determined, you would decide to include or exclude features per your design guidelines and then include other features based on the specific application of this custom design.

The first rule might allow you to input the requested size using a customized dialog form. Another rule would determine whether the requested size is an existing standard size or a new custom one.

And finally, another rule might be invoked to add application-specific features for example, add left-hand switch mounting holes, if the custom design is for a left-hand application. A function is an instruction created and used within a rule to modify the Inventor model or read some data from the file. When a rule is run, the functions within it are executed. The predefined iLogic functions follow VB.

NET syntax and require the coding to follow the syntax to work. This syntax consists of the function category, function name, and function arguments.

In the previous example, where the goal was to create a collection of rules to determine a standard or custom size, the first rule would control the dialog box to collect the input from the user. So, a function would be added to call an input box function and then assign the collected input to an Inventor parameter. Here is an example of an input box function used to prompt the user for a width value:.

The resulting input box displays as shown in Figure In this case, the default value has been set to So if the user were to accept the default value by clicking the OK button, myWidth would be set to You might include multiple functions in the same rule, depending on its complexity.

When doing so, you will typically place functions in order so that information is created or gathered from one function and then used later by another function. Typically, each function is independent of the remaining code in the rule. To use the myWidth value from the previous example, you could create a second function to set the Inventor parameter controlling the width of the part equal to myWidth. Here, the Inventor parameter is a dimension in a sketch that has been named Wid There are several categories of functions provided in iLogic.

You can find all of the available functions when creating rules by expanding the function category node in the rule editing interface.

Here is the list of iLogic categories:. Within functions, you can also have arguments. An argument is a value that is sent to the function when it is called.

Passing an argument to a function gives the function information to work with. An argument can be one of the following data types:. Here, the function category Feature is being used.

The Feature function IsActive is instructed to look for the feature called Hole1, and then the False argument tells the function to suppress Hole1. If the Boolean were set to True, then the hole would be set active or not suppressed. You’ll notice Hole1 is set inside double quotes, thereby specifying it as a text string. Here, the Parameter function is being told to look for the feature called Diameter1 and then use 4. In both of these examples, the function is setting a value. In addition to setting values, you can retrieve or get values using functions.

In the following examples, you’ll look at how to get a value from a function. You’ll start off with the reciprocal function for the previous function involving Diameter Next, look at an input box function:. In this function, the return value happens to be an Inventor dimension parameter named Wid1, which is a sketch dimension defining the width of the part. The input box reads the Wid1 parameter into the default value on the far right so that the user is presented with the current width and at the same time is prompted to enter a new value.

In the second line, the return value called RevNumber is being set to the current Revision Number iProperty for the file. Again, it uses the argumentsProject and Revision Number to tell the iProperty collection which iProperty to read.

You use conditional statements to put the logic in iLogic. The conditional statements evaluate the present state of the model and execute logic depending upon that state.

For example, if the hole spacing in a part exceeds a minimum value because of a change in length, then another set of holes is required:. Then, Space1 is evaluated to determine whether it is less than or equal to If so, it is set to be active not suppressed.

Otherwise, it is suppressed. The following sections include examples of each of the available conditional statements. If, Then, Else is probably the most common of the conditional statements.

It tests for a condition and then applies one or more actions if the condition is found to be true; otherwise, it applies one or more other actions:. If, Then tests for a condition and then applies one or more actions if the condition is found to be true. If the condition is not true, then nothing happens. Text preceded by an apostrophe in iLogic is interpreted as a comment and not as code. You can use this to your advantage by adding notes to your iLogic code to make it easier to understand.

A null If, Then tests for a condition and then applies no action if the condition is found to be true the ‘do nothing in the following statement is simply a comment and could be omitted. If the condition is not true, one or more actions are applied:. You can use a single-line If statement when testing a simple, short condition with short true and false statements.

Single-line If, Then tests for a condition and then applies one or more actions if the condition is found to be true. If the condition is not true, then nothing happens:. Using the If, Then, ElseIf format, you can add as many conditions as you want. Here is the format when three conditions are being tested. If, Then, ElseIf tests for a condition and then applies one or more actions if the condition is found to be true. If not true, it tests another condition, and so on.

If none of the tested conditions is found to be true, it applies one or more other actions. If no final action is specified, nothing happens unless one of the conditions is found to be true:. The Select Case statement is another way to test what is inside a variable. You can use it when you know there are only a limited number of values that the variable could hold:.

There are two primary areas within Inventor used to create and manage iLogic rules: the Parameters editing dialog box and the iLogic browser. The Parameters dialog box is used to create and edit parameters to be used in iLogic, and the iLogic browser allows you to create and manage rules. Figure The Numeric parameter can be referenced into your Inventor model using the standard Inventor tools, but the Text and Boolean parameters can be used only with the iLogic tools.

To create user parameters and specify the type, you use the drop-down list in the Parameters dialog box, as shown in Figure A Text parameter is any value specified within double quotes.

For instance, if you wanted to use product names in an iLogic rule to fill out iProperty information, you could create a Text parameter to contain that information. Keep in mind that you can create a Text parameter using numeric data by enclosing it in double quotes. Text parameters can be set to be multi-value list parameters or used as static, single-value parameters.

They have only two states: True and False. Numeric parameters are the parameters used by Inventor sketch dimensions and feature dialog box inputs. When you create a sketch dimension and input value, you are creating a Numeric parameter.

You can create Numeric user parameters to hold formulas, which are then called into sketch dimensions, and so on. In addition to using Numeric parameters with the standard Inventor modeling tools, you can use them with iLogic. Numeric parameters can be set to be multi-value list parameters or used as static, single-value parameters. Note that you can add unit strings to Numeric parameters and Inventor will still read them as numeric. For instance, Inventor will read 45 mm as numeric data.

If the model length unit is set to millimeters, Inventor will read 45 as numeric data and assume millimeters. Recall that you can set the default units for any model file by selecting the Tools tab, clicking the Document Settings button, and then selecting the Units tab. Text and Numeric parameters can consist of a single, static value or can be made into a multi-value list.

To create a multi-value list, follow these general steps:. Name the Text parameter as you see fit recall that spaces are not allowed in parameter names, but you can use an underscore. The values on the bottom have already been added; the ones on the top are being entered.

Once the multi-value list is populated, you can add or remove entries by right-clicking the parameter and choosing Edit Multi-Value List, as shown in Figure You can designate some parameters as Key parameters to aid in the placement of iLogic components into an assembly later.

For instance, if you had a part file with 50 parameters in it, you’d likely want to designate only a small number of those as key parameters. This allows you to choose which parameters the user can adjust during the file placement, and it streamlines the process as well.

To set a parameter to be a key, click the Filter button at the lower left of the Parameters dialog box. The iLogic browser is the interface item used to create, edit, and manage rules and forms within Inventor.

You can access the iLogic browser from the Manage tab by clicking the iLogic Browser button on the iLogic panel, as shown previously in Figure Once it’s displayed, you will find four tabs in the iLogic browser:. The Rules tab allows you to add, edit, run, regenerate, suppress, and delete rules. When rules are created, they are automatically listed in the Rules tab; therefore, the Rules tab will always list all rules embedded in the current document.

To add a new rule to an Inventor file, right-click anywhere in the Rules tab of the iLogic browser and choose Add Rule Figure Alternatively, you can use the Add Rule button on the iLogic panel of the Manage tab. The first step to adding a rule is entering a name for the rule in the Rule Name input box. Once the name is entered, you are presented with the Edit Rule dialog box, where you can build the rule.

You’ll explore the creation of rules in the coming pages. To edit an existing rule in an Inventor file, right-click the rule in the Rules tab of the iLogic browser and choose Edit Rule Figure You will be presented with the Edit Rule dialog box, where you can make changes to the rule. The Forms tab allows you to add iLogic user input forms. These forms are built using the iLogic Form Editor, which makes creating customized user input forms remarkably easy.

To add a new form to an Inventor file, select the Forms tab in the iLogic browser, right-click in the tab, and choose Add Form Figure You can also add forms by selecting the Manage tab, clicking the drop-down found on the iLogic panel, and then clicking the Add Form button.

When using this method, you’ll have an option to choose whether the form is intended to be embedded in the current document or to be a global form used by all documents. To edit an existing form in an Inventor file, right-click the Form button in the Form tab and choose Edit Figure The Global Forms tab lists all the rules stored outside of Inventor, independent of the actual Inventor file you are working on.

Global forms can be used when you want to use the same form across multiple rules so that you don’t need to create the form over and over again. They also help promote consistency, and you can make edits to forms in multiple rules quickly and in one global location. To add a global form, you set the Global Forms tab to active, right-click in the tab, and choose Add Form Figure You can also add global forms by selecting the Manage tab, clicking the drop-down on the iLogic panel, and then clicking the Add Form button.

When using this method, you have an option to embed the form in the current document or use it as a global form in all documents. Global forms are stored within the Design Data folder. Set the Design Data path to the location of your choice. Be aware that this sets the location on the installation of Inventor being used to set the path. Therefore, if you work with other Inventor users and want to have all of the installs looking at the same Design Data folder, you would need to walk around to each machine and set this path or use the Project Settings method.

Project Settings Close all open Inventor files. On the Get Started tab, click the Projects button. In the Projects editor dialog, locate the Folder Options node in the bottom pane and expand it. This method sets the path per the project file and therefore overrides the Application Options setting if the two do not match. If multiple users are using the same project, then all of them will now be using the new Design Data folder.

The External Rules tab lists all the rules stored outside of Inventor, independent of the actual Inventor file you are working on. External rules can be used as iLogic rules or as small programs that are run manually like VBA macros. To add an existing external rule, set the External Rules tab active, right-click in the tab, and choose Add External Rule, as shown in Figure Generally, this location is on a shared network where all users can access the files.

Once the rule file is created, you are presented with the Edit Rule dialog box, where you can build the rule. External rules are often used with event triggers, such as Before Save, which will run the rule when the file is saved.

You can set up default external rule file save locations and the default filename extension by selecting the Tools tab, clicking the drop-down on the Options panel, and then clicking the iLogic Configuration button, as shown here. An iTrigger is an Inventor user parameter that you can include in the current file to trigger rules manually. This parameter is often used to test a rule while you are creating it. The iTrigger parameter may not be as useful as it was before the iLogic browser made the rules more easily accessed.

The iTrigger button on the iLogic panel of the Manage tab initially creates a user parameter named iTrigger0. If the parameter already exists, the value of the iTrigger parameter is incremented by 1 and triggers any rule containing the iTrigger0 parameter. If multiple rules contain the iTrigger, they are all triggered. Here is a rule to save the current file as a PDF that contains the iTrigger:.

An event trigger is used to set up a rule to trigger automatically. For instance, you might want to create a rule to prompt you to fill out the file properties when you save the file. To do so, you simply add the rule to the Before Save event. The rule is triggered when you save a file, allowing you to enter or confirm the iProperties, and then the file is saved. Here is a list of the available event triggers:. To add a rule to an event trigger, select the Manage tab, and click the Event Trigger button on the iLogic panel.

Then select the event you want to use and click the Select Rules button. You can then select from the available rules. Keep in mind that you will see only applicable event triggers in the list when setting a trigger for an event. For instance, if the current file you are working in is an IDW file, you will not see event triggers such as Material Change changing the material of a part in the list.

Now that you’ve had an overview of the iLogic tools and components, you are ready to create iLogic parameters, rules, and forms. You’ll start by focusing on rules using input and message boxes and then look at creating and using iLogic forms. In the following pages, you’ll explore the methods and options of creating iLogic rules.

To add a new rule to an Inventor file, you right-click the file node in the Rules tab of the iLogic browser and choose Add Rule. Once a rule is created using Add Rule, you are presented with the Edit Rule dialog box. This dialog has four main interface panes, as shown in Figure Function Category List 1 Contains all of the iLogic function categories for easy access and reference. In Figure You can see that it gives you access to the model parameters and features for inclusion in the rule.

Subtabs 4 A subset of the Model tab. As displayed in Figure To see how all of this works, you can use the following steps to create a simple rule. If you have not already downloaded the Chapter 20 files from www.

The goal of the rule you will create in this example is to create user inputs to control the width and length of the plate:. Click the Manage tab and select the iLogic Browser button on the iLogic panel to ensure your iLogic browser is displayed. In the iLogic browser, ensure that the Rules tab is selected, right-click anywhere in the Rules tab, and choose Add Rule or click the Add Rule button on the iLogic panel of the Manage tab in the ribbon.

In the Edit Rule dialog box, make sure the Model tab along the top is set active and then expand the model node if needed and select Model Parameters. All of the model parameters for this part file are now listed in the Parameters subtab on the right. In the Model tab, click Extrusion1 and notice the Parameters tab now shows only the parameters used in Extrusion1.

In the Function Category list on the left , locate the MessageBox node and expand it by clicking the plus sign. Locate the InputBox item toward the bottom of the list and double-click it. This will place the generic InputBox function into your rule, thereby providing the template syntax you need to follow. This function should read as follows:. If you look in the help files under User’s Guide iLogic Functions and then refer to the Quick References tab, you can find a listing of all the functions with a guide and example of each one’s syntax.

Select myparam in the Rule Authoring pane and then double-click Width in the Parameters subtab. This will replace myparam with the word Width. Note that the color coding indicates that Width is a recognized parameter. You could have just deleted the word myparam and then typed in the word Width as well. If you had done so and accidentally typed width with no uppercase W , the word would not have turned blue to indicate a recognized parameter. Click the OK button to close the Edit Rule dialog and test the rule.

You should be prompted with an input box that looks like the one in Figure You’ll notice that the model width did not change as you might have expected. This is because the input box has changed only the Width parameter, and now the file needs to be updated. You should see that the Update button is active, indicating the model needs to be updated.

You can click the Update button to see the model width change to mm. In the next section, you’ll edit a rule to make the model automatically update when the rule is run.

You can right-click the rule and choose Run Rule in order to test it and change the width value again. When you have finished, you can close the file without saving changes. In this exercise, you’ll pick up where you left off and edit the Size Input rule you created in the previous exercise:. Place your cursor at the end of the existing function and press the Enter key on the keyboard a couple of times to provide some space in the rule.

In the Function Category list on the left , locate the Document node and expand it by clicking the plus sign. Locate the UpdateWhenDone item toward the middle of the list and double-click it.

If you built this plate with a standard size of mm for the width most of the time, then hard-coding that value might be the way to go. But often, it’s more useful to retrieve the current parameter value and have it display in the input so the user knows the value before changing it.

Replace the mm with Width. You can do this by typing over the value or by selecting it and then clicking Extrusion1 in the Model tab along the top. In either case, your function should look like this:. Click the OK button to test the rule and notice that the current width value of the model is listed in the input box. Replace this with and click the OK button. To finish this rule, you will add another function to change the length of the part.

Follow the steps you used to create the width function so that your rule reads as follows and then test the part to see how it works:. You can right-click the rule and choose Run Rule in order to test it and see how it functions. In the previous exercises, you used an input box to change parameter values so that you could adjust the dimensions of the plate part. In this exercise, you’ll create a multi-value parameter and then create a rule to get the user to select from the list.

Follow these steps:. In the Value List Editor dialog box, enter the following values into the top pane and then click Add. If mm is listed in the bottom pane, select it and click Delete to remove it. From the iLogic browser, ensure that the Rules tab is selected; then right-click anywhere in the Rules tab, and choose Add Rule. Locate the InputListBox item toward the bottom of the list and double-click it. This will place the generic InputListBox function into your rule, thereby providing the template syntax you need to follow.

This function should look similar to this:. Select d0 in the Rule Authoring pane and then double-click Length in the Parameters subtab. This will replace d0 with the word Length no quotation marks. Quotation marks indicate a text string. When you want the function to see your entry as a text string, use quotation marks.

When you want the function to read a parameter either from the model or from the rule , don’t use quotation marks.

Replace d0 in MultiValue. Replace the next instance of d0 with no quotation marks. In this case, you want the input box to have a hard-coded default of To make your code more readable in the editor, add an underscore after the comma following MultiValue. The underscore must have a space in front of it. This acts as a carriage return within the code, allowing the line to fit on-screen without upsetting the syntax. To finish this rule, you will edit the Width parameter and make it a multi-value parameter with the same values you used for the length.

Then, edit the rule and add another input list box function to change the width of the part. Follow the steps you used to create the length function. Then, add the function to make the part update when the rule is finished running recall that you’ll find this in the Document function category list so that your rule reads as follows:. Finally, test the part to see how it works. In the next exercises, you’ll work with both of the rules you created in the previous exercises and then create a third rule to choose which of the other two to run.

Currently, any change to those parameters causes the rules to run automatically. Although this might be the desired result in some cases, in this instance it is causing a problem. To resolve this, you will edit both rules and change their options.

Along the top, select the Options tab and select the Don’t Run Automatically option, as shown in Figure As a test to see that the issue is resolved, you can run the rules and change the width and length values to ensure that neither rule runs when the other makes a change. Once you’ve tested this, you can close the file without saving and continue.

Handling Errors. Often, your rules will work fine when you test them because you enter expected results. But you can rest assured that as soon as you have other people test your rules, they’ll encounter errors when they provide invalid input, for example. Depending on the complexity of your code, you can often add a simple error handler to manage null inputs and other issues created when the user doesn’t provide predictable or desired input.

You can use a simple On Error Resume Next line to skip or ignore an error. Although this is not considered a good practice for programming, it will often suffice for simple errors. If you click the Cancel button in the input box, you’ll receive an error because the rule returns an empty string value.

Rule2 includes an On Error Goto ErrorHandler line that instructs Inventor to skip to the ErrorHandler line and display a message if an error is encountered. You can run Rule2 and click the Cancel button in the input box to see how this works. Rule3 checks for the specific problem of an empty text string and provides the user with a message. Rule4 does the same but just uses the existing value rather than the null input. You can search online for VB error checking to find many more error-checking strategies.

Next, your goal is to create a new rule to choose between two existing rules. From the lower-left corner, select the user parameter drop-down list it shows Add Numeric by default. From the iLogic browser, locate the Size Input rule on the Rules tab, click it once to select it, and then slowly click it again to set the name active for renaming.

Locate the InputRadioBox item toward the bottom of the list and double-click it. This will place the generic InputRadioBox function into your rule, thereby providing the template syntax you need to follow. Make sure the Model tab along the top is set active and then expand the model node if needed and select User Parameters. All of the user parameters for this part file are now listed in the Parameters subtab on the right.

In this case, there is just the one you created. Replace booleanParam with True no quotation marks. This sets the default to be true, which will be the first button, or the standard size option. The underscore must have space in front of it. Currently, this rule doesn’t do anything other than display an input box to let you choose between two buttons.

To make those buttons do something meaningful, you will add a conditional statement to run one of the other existing rules. From the toolbar along the top of the Rule Authoring pane, select the If…Then…End If button to place the syntax snippet in your rule. In the Function Category list on the left , locate the Run Other node and expand it by clicking the plus sign.

Locate the RunRule item in the list. This will place the iLogicVb. You can test this rule and notice that you can now choose between the two input types, Custom and Standard. If you choose Custom, you can add anything, and you can choose from only the approved standards for the standard inputs.

But what if you enter a value such as for the length? You’ll notice that the hole spacing becomes quite large. It would be nice to have a rule to add holes for large custom lengths and widths.

In the next exercise, you’ll investigate how to do just that. Oftentimes, it is helpful to add a message box to return a value to you so you can see what the code is returning. This is particularly helpful when your code is throwing an error. In this next exercise, two hole features have been added to the part for you. The goal is to create a rule to suppress a hole feature if the spacing is under a specified distance and activate it if the spacing exceeds the specified distance. You’ll explore a couple of other tips and tricks along the way.

These reference parameters were created in Sketch3, which controls the locations of Hole2 and Hole3. Recall that a reference parameter is created by adding a driven dimension to a sketch. Then, those parameters were renamed. On the Rules tab of the iLogic browser, click and drag the rule named Size Type Input to the top of the list. Since this is the rule that is utilized to choose between the others, it might be best to place it at the top. From the toolbar along the top of the Rule Authoring pane, select the Operators drop-down and notice that it contains a list of all the logic operators.

Select Hole2 from the feature tree in the Model tab area and then right-click it and choose Capture Current State. You can use the Capture Current State option on any Inventor feature or parameter.

You can just delete the unneeded information and keep what is pertinent. Delete all the extra information and keep only the Feature. IsActive line. IsActive can be used to suppress or not suppress any Inventor feature that can be suppressed.

Copy that line below the Else and change True to False so the result reads as follows:. Because the current hole spacing is less than 45 for both of the reference parameters, the hole is suppressed. Of course, you can just type the line in as you are reading it, but for the sake of practice, use the Function Category list to find the RunRule function and double-click it to enter it.

The underscore preceded by a space provides a carriage return without disrupting the code. This makes it easier to read in the Edit Rule dialog box. When you test the rule, you’ll see that that the second line contains a parenthetical statement advising the user of the maximum width.

Because your rules are changing the size of your part, it would be nice to add a bit of code to adjust the zoom level to match the size of the new part. To do so, you can call an application programming interface API object to make this happen with this line:.

To make that line be seen as a comment and not a line of code, simply add an apostrophe to the beginning. The result should be as follows:.

Ее молитва была проста: она просила Бога защитить любимого человека. Не будучи религиозной, она не рассчитывала услышать ответ на свою молитву, но вдруг почувствовала внезапную вибрацию на груди и испуганно подскочила, autodek тут же поняла: вибрация вовсе не была рукой Божьей – она исходила из кармана стратморовского пиджака.

На своем «Скайпейджере» он установил режим вибрации без звонка, значит, кто-то посетить страницу коммандеру сообщение.

Undetected location. NO YES. Selected type: Paperback. Added to Your Shopping Cart. This is a dummy description.

A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. Here are just a few of the key topics covered: Assemblies and subassemblies Real-world workflows and offering extensive detail on working with large assemblies Weldment design Functional design using Design Accelerators and Design Calculators Everything from presentation files to simple animations to documentation for exploded views Frame Generator Inventor Studio visualization tools Inventor Professional’s dynamic simulation and stress analysis features Routed systems features piping, tubing, cabling, and harnesses The book’s detailed discussions are reinforced with step-by-step tutorials, and readers can compare their work to the downloadable before-and-after tutorial files.

Instructor View Instructor Companion Site. Once a rule is created using Add Rule, you are presented with the Edit Rule dialog box. This dialog has four main interface panes, as shown in Figure Function Category List 1 Contains all of the iLogic function categories for easy access and reference. In Figure You can see that it gives you access to the model parameters and features for inclusion in the rule. Subtabs 4 A subset of the Model tab. As displayed in Figure To see how all of this works, you can use the following steps to create a simple rule.

If you have not already downloaded the Chapter 20 files from www. The goal of the rule you will create in this example is to create user inputs to control the width and length of the plate:.

Click the Manage tab and select the iLogic Browser button on the iLogic panel to ensure your iLogic browser is displayed. In the iLogic browser, ensure that the Rules tab is selected, right-click anywhere in the Rules tab, and choose Add Rule or click the Add Rule button on the iLogic panel of the Manage tab in the ribbon.

In the Model tab, click Extrusion1 and notice the Parameters tab now shows only the parameters used in Extrusion1. In the Function Category list on the left , locate the MessageBox node and expand it by clicking the plus sign.

Locate the InputBox item toward the bottom of the list and double-click it. This will place the generic InputBox function into your rule, thereby providing the template syntax you need to follow. This function should read as follows:. If you look in the help files under User’s Guide iLogic Functions and then refer to the Quick References tab, you can find a listing of all the functions with a guide and example of each one’s syntax. Select myparam in the Rule Authoring pane and then double-click Width in the Parameters subtab.

This will replace myparam with the word Width. Note that the color coding indicates that Width is a recognized parameter. You could have just deleted the word myparam and then typed in the word Width as well. If you had done so and accidentally typed width with no uppercase W , the word would not have turned blue to indicate a recognized parameter. Click the OK button to close the Edit Rule dialog and test the rule. You should be prompted with an input box that looks like the one in Figure You’ll notice that the model width did not change as you might have expected.

This is because the input box has changed only the Width parameter, and now the file needs to be updated. You should see that the Update button is active, indicating the model needs to be updated. You can click the Update button to see the model width change to mm. In the next section, you’ll edit a rule to make the model automatically update when the rule is run. You can right-click the rule and choose Run Rule in order to test it and change the width value again.

When you have finished, you can close the file without saving changes. In this exercise, you’ll pick up where you left off and edit the Size Input rule you created in the previous exercise:. Place your cursor at the end of the existing function and press the Enter key on the keyboard a couple of times to provide some space in the rule. In the Function Category list on the left , locate the Document node and expand it by clicking the plus sign. Locate the UpdateWhenDone item toward the middle of the list and double-click it.

This will place the UpdateWhenDone function into your rule so that it looks like this:. Enter in the input box and click the OK button. Your part width should automatically change to mm. Currently, your rule is coded to set the default entry of the input box to mm. If you built this plate with a standard size of mm for the width most of the time, then hard-coding that value might be the way to go.

But often, it’s more useful to retrieve the current parameter value and have it display in the input so the user knows the value before changing it. Replace the mm with Width. You can do this by typing over the value or by selecting it and then clicking Extrusion1 in the Model tab along the top. In either case, your function should look like this:. Click the OK button to test the rule and notice that the current width value of the model is listed in the input box.

Replace this with and click the OK button. To finish this rule, you will add another function to change the length of the part. Follow the steps you used to create the width function so that your rule reads as follows and then test the part to see how it works:.

You can right-click the rule and choose Run Rule in order to test it and see how it functions. In the previous exercises, you used an input box to change parameter values so that you could adjust the dimensions of the plate part.

In this exercise, you’ll create a multi-value parameter and then create a rule to get the user to select from the list. Follow these steps:. In the Value List Editor dialog box, enter the following values into the top pane and then click Add.

If mm is listed in the bottom pane, select it and click Delete to remove it. From the iLogic browser, ensure that the Rules tab is selected; then right-click anywhere in the Rules tab, and choose Add Rule. Locate the InputListBox item toward the bottom of the list and double-click it.

This will place the generic InputListBox function into your rule, thereby providing the template syntax you need to follow. This function should look similar to this:. Select d0 in the Rule Authoring pane and then double-click Length in the Parameters subtab.

This will replace d0 with the word Length no quotation marks. Quotation marks indicate a text string. When you want the function to see your entry as a text string, use quotation marks. When you want the function to read a parameter either from the model or from the rule , don’t use quotation marks. Replace d0 in MultiValue. Replace the next instance of d0 with no quotation marks.

In this case, you want the input box to have a hard-coded default of To make your code more readable in the editor, add an underscore after the comma following MultiValue. The underscore must have a space in front of it. This acts as a carriage return within the code, allowing the line to fit on-screen without upsetting the syntax. To finish this rule, you will edit the Width parameter and make it a multi-value parameter with the same values you used for the length.

Follow these steps to work with multiple rules in the same file:. You’ll notice that the Size List Input rule is run automatically when you click the OK button, presenting you with the Length Selector list input box. The issue here is caused by both rules handling the same parameters. Currently, any change to those parameters causes the rules to run automatically. Although this might be the desired result in some cases, in this instance it is causing a problem.

To resolve this, you will edit both rules and change their options. Along the top, select the Options tab and select the Don’t Run Automatically option, as shown in Figure As a test to see that the issue is resolved, you can run the rules and change the width and length values to ensure that neither rule runs when the other makes a change.

Once you’ve tested this, you can close the file without saving and continue. Handling Errors. Often, your rules will work fine when you test them because you enter expected results.

But you can rest assured that as soon as you have other people test your rules, they’ll encounter errors when they provide invalid input, for example. Depending on the complexity of your code, you can often add a simple error handler to manage null inputs and other issues created when the user doesn’t provide predictable or desired input. You can use a simple On Error Resume Next line to skip or ignore an error. Although this is not considered a good practice for programming, it will often suffice for simple errors.

If you click the Cancel button in the input box, you’ll receive an error because the rule returns an empty string value. Rule2 includes an On Error Goto ErrorHandler line that instructs Inventor to skip to the ErrorHandler line and display a message if an error is encountered.

You can run Rule2 and click the Cancel button in the input box to see how this works. Rule3 checks for the specific problem of an empty text string and provides the user with a message.

Rule4 does the same but just uses the existing value rather than the null input. You can search online for VB error checking to find many more error-checking strategies. Next, your goal is to create a new rule to choose between two existing rules. From the lower-left corner, select the user parameter drop-down list it shows Add Numeric by default. From the iLogic browser, locate the Size Input rule on the Rules tab, click it once to select it, and then slowly click it again to set the name active for renaming.

In the iLogic browser, right-click anywhere in the Rules tab, and choose Add Rule note that you can also click anywhere in the blank space of the iLogic browser with the Rules tab active to add a rule. Locate the InputRadioBox item toward the bottom of the list and double-click it. This will place the generic InputRadioBox function into your rule, thereby providing the template syntax you need to follow.

Make sure the Model tab along the top is set active and then expand the model node if needed and select User Parameters. All of the user parameters for this part file are now listed in the Parameters subtab on the right. In this case, there is just the one you created. Replace booleanParam with True no quotation marks.

This sets the default to be true, which will be the first button, or the standard size option. The underscore must have space in front of it. Currently, this rule doesn’t do anything other than display an input box to let you choose between two buttons. To make those buttons do something meaningful, you will add a conditional statement to run one of the other existing rules. From the toolbar along the top of the Rule Authoring pane, select the If…Then…End If button to place the syntax snippet in your rule.

In the Function Category list on the left , locate the Run Other node and expand it by clicking the plus sign. Locate the RunRule item in the list. This will place the iLogicVb. You can test this rule and notice that you can now choose between the two input types, Custom and Standard. If you choose Custom, you can add anything, and you can choose from only the approved standards for the standard inputs.

But what if you enter a value such as for the length? You’ll notice that the hole spacing becomes quite large. It would be nice to have a rule to add holes for large custom lengths and widths. In the next exercise, you’ll investigate how to do just that. Oftentimes, it is helpful to add a message box to return a value to you so you can see what the code is returning. This is particularly helpful when your code is throwing an error.

In this next exercise, two hole features have been added to the part for you. The goal is to create a rule to suppress a hole feature if the spacing is under a specified distance and activate it if the spacing exceeds the specified distance. You’ll explore a couple of other tips and tricks along the way. These reference parameters were created in Sketch3, which controls the locations of Hole2 and Hole3.

Recall that a reference parameter is created by adding a driven dimension to a sketch. Then, those parameters were renamed. On the Rules tab of the iLogic browser, click and drag the rule named Size Type Input to the top of the list. Since this is the rule that is utilized to choose between the others, it might be best to place it at the top.

From the toolbar along the top of the Rule Authoring pane, select the Operators drop-down and notice that it contains a list of all the logic operators. Select Hole2 from the feature tree in the Model tab area and then right-click it and choose Capture Current State. You can use the Capture Current State option on any Inventor feature or parameter. You can just delete the unneeded information and keep what is pertinent.

Delete all the extra information and keep only the Feature. IsActive line. IsActive can be used to suppress or not suppress any Inventor feature that can be suppressed. Copy that line below the Else and change True to False so the result reads as follows:. Because the current hole spacing is less than 45 for both of the reference parameters, the hole is suppressed.

Of course, you can just type the line in as you are reading it, but for the sake of practice, use the Function Category list to find the RunRule function and double-click it to enter it. The underscore preceded by a space provides a carriage return without disrupting the code. This makes it easier to read in the Edit Rule dialog box. When you test the rule, you’ll see that that the second line contains a parenthetical statement advising the user of the maximum width.

Because your rules are changing the size of your part, it would be nice to add a bit of code to adjust the zoom level to match the size of the new part.

To do so, you can call an application programming interface API object to make this happen with this line:. To make that line be seen as a comment and not a line of code, simply add an apostrophe to the beginning. The result should be as follows:. Any text preceded by an apostrophe is read by iLogic as a comment and not interpreted as code.

Use this to your advantage by adding notes and documentation to your iLogic code to make editing it in the future easier. You can also use the Comment and Uncomment buttons found on the toolbar above the top of the Rule Authoring pane to comment out entire blocks of code and then uncomment them later.

If you anticipate using a particular snippet a lot, you might want to save it to the Custom Snippets tab. To see how this is done, you’ll save the Zoom All snippet. Highlight both the comment line and the code line and then right-click and choose Capture Snippet.

Click the Save Custom Snippets button on the toolbar of the Custom Snippets tab and choose a name and location for your custom snippet file. You’re likely beginning to see the power of iLogic and the use of simple rules to create configurations of your model templates. Feel free to experiment with this file to tweak the code as you like, or you can close the file without saving changes and move on to the next section.

You’ll find the use of operators to be a common method of building logic in your iLogic rules. An operator performs a function on one or more objects. Table Performs a conjunction on two expressions, but evaluates the second if and only if the first is true. Performs a disjunction on two expressions, but evaluates the second if and only if the first is true. In this next exercise, you’ll explore the use of iProperties in iLogic rules and then create a basic iLogic form to manipulate them.

The objective here is to create a rule to do the following:. Make it a multi-value parameter also and add the following values make sure your spelling and capitalization match exactly :. Close the Parameter dialog and open the iLogic browser. Add a rule named Material and Color Input. Clear param from between the parentheses and then select User Parameter from the model tree list at the top.

Your rule should read as follows so far:. From the iProperties node in the Function Category list on the left, select Material and double-click it to add it to your rule. Add an equal sign to the end of the line and then ensure that User Parameter is still selected in the model tree list at the top. Next, you’ll build an iLogic form to allow you to easily select a material and a color from a list.

In the iLogic browser, switch to the Forms tab and then right-click in the browser space and choose Add Form. The Form Editor opens and shows the form building tools, as illustrated in Figure Tabs Area B Allows you to drag and drop items from the list to the Form Design pane to add controls for your custom interface.

Form Design Pane C Allows you to design a custom interface by doing the following:. In the Form Design pane see area C in Figure Change this to read Material and Color Form. Then, click and drag it up to the top-right pane and drop it under the form name. Add it above the material control by dragging either item to reorder them. Play around with the controls, adjusting the material and color to your liking.

Recall that setting a color overrides the material color, and therefore, you’ll need to set the color to As Material to see the change of material have any effect on-screen. When you’ve finished, you can close this file without saving changes and continue to the next section. You can set various options for the form such as the font and color by selecting the node for the form itself in the Form Design pane and then using the Properties area options.

The Visual Style property provides a list of color schemes for the form. By default, the form includes a Done button, but you can select from the Predefined Buttons list. If you’re using the default Done button, changes are applied automatically. In the next exercise, you’ll build an iLogic Form for use in configuring a small plate part. This part is a cast part that needs to be machined to include several features. The specifications of those features vary depending on the application, so it would be ideal to set up a template part with an iLogic form to allow quick and consistent configuration of the plate as needed.

Click the Manage tab and select the iLogic Browser button from the iLogic panel to make sure your iLogic browser is displayed. On the Rules tab, you’ll see three existing rules. Each rule checks a reference parameter found in Sketch6 used to create the sweep feature called Gasket Groove. If a specified reference parameter falls below a set minimum, a warning message is displayed. Set the Forms tab of the iLogic browser active and then right-click the iLogic browser and choose Add Form.

Locate the Parameters tab on the left and click the plus sign to expand the list of parameters if it’s not already expanded. Notice that the list of parameters includes model, reference, and user parameters.

Drop it under the form name in the tree and then change the label to Mount Diameter A. Select the Group control from the Toolbox and drag it into the tree and then drop it below Gasket Size D. Locate the Reference node in the list on the Parameters tab and click and drag the following parameters to the tree. Then edit their labels to these values:. Drop the parameters right on the Minimum Dimension Values group so they will land in the group.

If you miss, you can just drag and drop them into the group afterward. It’s worth mentioning that the values of 2 mm and 2. The letters listed in parentheses correspond to a legend image to be embedded in the form in the next steps. Select the Picture node and then choose the Image property in the Properties pane at the bottom.

Select the cell that reads none and click the resulting button to browse and select an image to use. Gravity is always in the negative y-axis direction, so it is important to make sure the calculation coordinates match the assembly coordinates. If the beam is at an angle, you have a couple of options for handling gravity.

You can place a copy of the beam horizontally in the assembly. If you want to ignore the effect of gravity, there is an option on the Beam Calculation tab to turn the gravity load off.

Both Beam and Column calculations are available. The Beam calculations focus on deflection based on loads and supports. The Column calculation checks for buckling. You can select Beam, Column, or both calculation types.

The Calculation tabs are turned on and off based on the selections. The default material properties do not correspond to a material style and are not linked to the style library in any way. Instead, these materials provide you with a starting point and an example of the required properties. You can enter properties for a particular material, or you can select one of the generic materials listed. When you check the box, a dialog box appears with materials such as gray cast iron, steel, and aluminum.

These properties can be used for initial calculations, but for more accurate results, you should enter the properties for the particular alloy you are using. Follow these steps to enter the member data into the dialog box:.

Recall that this button can be found in the drop-down list indicated by the small black arrow on the Frame panel of the Design tab. If necessary, click the padlock icon for the Section Length row in the table, thereby unlocking it for editing.

Change the value to 12 inch. In the Rectangle dialog box, enter the tubing dimensions. Enter 1. Then click the OK button. Click the check box next to the Material field to launch the Material Types dialog box.

Select Steel and click the OK button. Leave this dialog open because you will use it in the next set of steps, where you’ll work with loads and supports. The coordinate system alignment is correct for this example.

So in this case, gravity could be ignored, but having the correct orientation simplifies adding the loads and interpreting the results. The dialog box should look like Figure Note that all the section properties except Shear Displacement Ratio are calculated.

This property is optional for the calculations. Comparing the calculated values with the original ones, Section Area and Moments Of Inertia are close but higher. The Beam Calculation tab, shown in Figure The Engineer’s Handbook hidden away in the Power Transmission panel drop-down list; it’s called Handbook contains the equations used in the calculations.

You might want to review those equations before using the calculator. All of the controls can be accessed by using the buttons at the top or by right-clicking and choosing them from the context menu in the browser pane area. The drop-down menu switches the browser between Loads view and Supports view. The controls, shown in Table Adds a torque load—a twisting force around the z-axis. Two equal and opposite torque loads are required.

The Options dialog box, shown in Figure By default, the loads and supports dynamically update to maintain the same size as the view scale changes. You can turn off the automatic update and set a static scale value. The Options dialog box is the same whether it is launched from the Loads control or Supports control.

Each load or support can be edited in the browser by double-clicking or by clicking the browse … button. A Properties dialog box displays controls for specifying the location, size, and direction of the force. The Calculation Properties group, as shown in Figure The Use Density check box adds gravity as a load. This is selected by default. The Use Shear Displacement Ratio check box is used when calculating the twist angle caused by torsional loads. The value is determined by the profile shape.

It is also called the form factor of shear. This check box is selected by default. The default setting for Number Of Beam Divisions is Increasing the number of divisions can result in improved accuracy for longer beams.

You should experiment with different values to see whether the number of divisions causes a significant change in the results. Mode Of Reduced Stress has two options for modeling the stress distribution. The Huber-Mises-Hencky HMH method is based on the maximum-energy-distortion criterion, and the Tresca-Guest method is based on the maximum-shearing-stress criterion. The HMH method is the default selection. The Results pane on the right side of the Beam Calculation tab updates when you click the Calculate button.

Warnings will appear in the lower pane if the calculation indicates that stresses are too high. For the conveyor example, the support will be welded to the frame at one end and unsupported at the other. The power roller weighs pounds, and the torque is 40 pound-feet.

The torque causes the power roller to twist between the supports. The edge of the flat is 1. This means the reaction force at that point is pounds. Both the weight and the reaction force are split between the two sides. Follow these steps to explore the results and calculation workflow:. Enter 10 inches for the distance and 75 pounds-force for the force. This is the maximum distance for the power roller.

Click the OK button to close the Radial Force dialog box. Enter Click the Calculate button and compare the reduced stress to the yield strength of the specified material. Note that the forces are displayed in the graphics window. If you hover over a force arrow on the model, a tool tip displays the information. You can drag the force to a different position, or you can double-click the force to display the properties dialog box.

On the Beam Graphs tab, the Graph Selection pane allows you to select the results you want to display. The selected graph displays in the bottom of the Graph area. At the top of the Graph area is a schematic of the beam, supports, and loads.

You can drag the supports and loads to different positions to update them. If you double-click a support or load, the properties dialog box displays so you can directly edit the data.

The Calculate button is not available on the Beam Graphs tab, so you need to switch back to the Beam Calculation tab to update the results. The Beam Graphs tab is primarily intended for reviewing results. Twenty-two graphs are available on the tab. This example is a pretty simple analysis. You should experiment with other loads torques and bending moments and support types and then view the results on the graphs.

The Column Calculation tab checks for column buckling. In the Loads area, you enter the axial load and the safety factor and select a coefficient for the end loading conditions. When you click the … button, a dialog box appears with four end conditions.

If you have different end conditions, you should enter the proper coefficient from a reference book. You shouldn’t need to enter any data in the Column area.

The length, section area, and least moment of inertia are carried over from the Model tab. The reduced length value is calculated by multiplying the length by the end coefficient. For example, imagine that during transport, the frame shifts and the power roller supports slam into the trailer wall.

The power roller was removed during shipping, so the supports take all the force from the impact, estimated at 4, pounds evenly distributed across the four supports. Set the axial load to 1,pound force, and click Calculate to determine whether the supports will buckle. When you click the Results button in the upper-right corner of the dialog box, an HTML page appears with all the data, calculation results, and graphs.

You can save or print this file for your records. The File Naming button, found next to the Results button in the upper-right corner of the dialog box, allows you to specify the calculation’s filename. When you click the OK button to exit the Beam And Column Calculator dialog box, a subassembly file is created in the assembly file.

This subassembly file is just a container for the calculations, allowing you to access them again at any point. A browser node is created for the calculations. To edit the results, simply right-click the browser node and choose Edit Using Design Accelerator. Frame Generator’s frame member library is integrated with Content Center. The authoring and publishing process is similar to that used to create any custom Content Center files.

Since Frame Generator requires specific modeling techniques, the authoring process will make some changes to the model and the parameters to ensure that all of the required parameters are included. The authoring process for a frame member is similar to component authoring.

The Structural Shape Authoring tool, located on the Part-Modeling panel bar, is used to prepare the part for publishing. The tool identifies the geometry used for placement, sets the parameters, and modifies the part so Frame Generator can use it. This example uses a rubber bumper iPart file like might be attached to frames to guard against impact. In the iPart table there are parameters to control the dimensions and three sizes defined. If this were a true frame member profile, the engineering properties moments of inertia and so on might need to be calculated, and therefore that information would be set up as well.

Since this isn’t a load-bearing part, those properties aren’t required. To explore the authoring process, follow these steps:. From the Manage tab, locate the drop-down list on the Author panel and then click the Structural Shape button. When the authoring tool starts, everything is blank. Once a category is selected, the dialog box will update with the appropriate controls. Because this is an unusual part, select the Other category, as shown in Figure Frame Generator looks in the Structural Shapes category only, so you have to select one of the standard categories or create a new one in the Content Center Editor.

You can’t add a category through the authoring tool, so you have to add the category to Content Center before authoring. Since there is only one extrusion in the part, the base feature is automatically selected. The default base point is indicated at the center of the profile. For this part, the inside corner of the flanges is the natural insertion point.

Click the drop-down list, choose Select Geometry, and then select that point in the model, as shown in Figure The Notch Profile option is used when you are authoring frame members and you want to include a predefined notch profile to be used with the Notch tool. In this case, there is no notch profile. Set the Base Length row to use the Length parameter by clicking the Please Select cell in the table and then choosing Length from the list.

The Parameter Mapping tab has one required field: Base Length. This is the parameter for the extrusion distance. Since this is an iPart, when you click in the field, the iPart properties are listed, as shown in Figure If this were a regular part, the Part Template Parameters dialog box would display a browser tree, as shown in Figure The rest of the parameters are optional. They are mechanical properties of the profile necessary for calculating loads with the Beam And Column Calculator.

Clicking either the Publish Now or OK button will update the part and close the dialog box. Publish Now will also launch Content Center publishing wizard. Once the part is updated, a dialog box displays with information about the changes.

A log file that lists the changes to the part, as shown in Figure You can close the file without saving changes or use this file to explore the publishing options. If you inspect the part after authoring, you will see that the browser and parameters have been updated.

Before you publish the member for your team to use, be sure to test it in every conceivable situation. Even a seemingly well-constructed frame member can cause issues after end treatments are applied.

The publishing process uses the Publish Guide Wizard. Since the part was authored, most of the publishing information has already been added to the file. If you aren’t familiar with publishing to Content Center, review Chapter 7. If you leave this field blank, the category selection will be Unknown. Since the thumbnail is used as the orientation image in the dialog boxes, it is important to use the thumbnail that Frame Generator creates.

By default, Frame Generator parts are set to calculate their base quantity from the length of the part. This differs from standard parts that calculate their base quantity from the number of parts in the assembly. When parts are authored for use in Frame Generator, the Base Quantity setting is automatically set to the length. To get a part count in the parts list for your assemblies, you will want to configure them to read the item quantity rather than the base quantity.

You can use both columns if that fits your needs, or you can have the BOM display one quantity and the parts list display the other. Note that you can copy the expression in one cell of the BOM, multiselect the rest of the column, and then right-click and choose Paste to set the expression to all of the parts in the BOM.

It is a good idea to let Frame Generator name the frame members for you and use the Part Number property rather than the part name to manage the parts. Once you’ve set an expression as just described, you can sort the BOM by that column to group the like items, set one of the part numbers, multiselect the items, and choose Paste from the context menu to set them all the same. If you want the items to be merged, leave the Part Number Merge Settings options selected. In the drawing environment, use a Parts List style similar to the default Material List style found in the standard templates.

This parts list is already configured to group by stock number and material, as well as sum the values of each unique stock number type. Work with frame files. Frame Generator puts all the members at the same level in the assembly. Master It You have a frame that is built up in sections that are welded together.

How do you document the manufacturing process? Insert frame members onto a skeleton model. Frame Generator builds a skeleton model for the frame from the selected lines and edges. Master It Since Frame Generator builds its own skeleton model, you don’t have to build a master model before you start creating the frame. What would you reference in your assembly to use as a frame skeleton? Add end treatments to frame members. Frame Generator does not support end treatments on merged members.

Master It Let’s assume you are building a stairway and the handrail has curved sections. How would you approach the curved handrail so that its ends can be treated?

Make changes to frames. Inventor provides detailed frame-member information. Master It You need to determine the size and wall thickness of the tubing and make it either thicker or larger. How do you do that? Author and publish structural profiles.

Frame Generator uses structural shapes from Content Center. Frame Generator has special parameters for frame members. Master It How do you add the profile dimensions and the length of your frame members to the Description field?

Frame Generator Frame Generator consists of several tools to automate frame modeling. Exploring the Frame Generator File Structure When you create the first members in a frame assembly, a dialog box prompts you for filenames. Exploring the Anatomy of a Frame Member Frame Generator initially creates frame members the same length as the selected geometry.

Table It is equal to the reference dimension. Inserting Frame Members The process for inserting frame members can be broken down into three basic steps. Changing the Orientation After you have selected the placement geometry, you can change the position and orientation of the member. Insert Selection Methods When you use the default Insert Members On Edges option, you can select edges and lines for placement references.

Batch Select Tools Frame Generator has several tools for selecting geometry. Creating a Basic Frame To create an elementary frame, you’ll use a prepared file that has been set up for you.

In this design, you’ll add frame members to be embedded in a monument base to support a sign plate: 1. On the Get Started tab, click the Open button.

Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter Frame Generator. Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part. Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter iLogic. In this chapter, you will explore the use of iLogic to configure your models with intelligence and automation. iLogic is often used to speed up tedious design tasks, to enforce consistency across designs, and to allow the logic of programming to make design decisions based on predetermined design rules. Jun 16, · A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and ISBN: Mastering Autodesk Inventor and Autodesk Inventor LT Autodesk Official Press | Curtis Waguespack | download | Z-Library. Download books for free. Find books. Aug 31, · Mastering Autodesk Inventor and Inventor LT _page_replace.me download K Mastering Autodesk Maya _page_replace.me download.

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Jun 16, · A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and ISBN: Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter iLogic. In this chapter, you will explore the use of iLogic to configure your models with intelligence and automation. iLogic is often used to speed up tedious design tasks, to enforce consistency across designs, and to allow the logic of programming to make design decisions based on predetermined design rules. Mastering Autodesk Inventor and Autodesk Inventor LT Autodesk Official Press | Curtis Waguespack | download | Z-Library. Download books for free. Find books. Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter Frame Generator. Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part.

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Mastering Autodesk Inventor and Autodesk Inventor LT Autodesk Official Press | Curtis Waguespack | download | Z-Library. Download books for free. Find books. Aug 31, · Mastering Autodesk Inventor and Inventor LT _page_replace.me download K Mastering Autodesk Maya _page_replace.me download. Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter iLogic. In this chapter, you will explore the use of iLogic to configure your models with intelligence and automation. iLogic is often used to speed up tedious design tasks, to enforce consistency across designs, and to allow the logic of programming to make design decisions based on predetermined design rules. Jun 16, · A comprehensive guide to Autodesk Inventor and Inventor LT This detailed reference and tutorial provides straightforward explanations, real-world examples, and practical tutorials that focus squarely on teaching Autodesk Inventor tips, tricks, and techniques. The book also includes a project at the beginning to help those new to Inventor quickly understand key interface conventions and ISBN: Mastering Autodesk Inventor and Autodesk Inventor LT () Chapter Frame Generator. Frame Generator consists of several tools to automate frame modeling. You can select lines, edges, and points to specify the location of members. Frame Generator derives the selections into a part.

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