Autodesk Inventor - iFeatures and Punches

The Punch Tool

Sheet metal part production is often highly automated. Flat stock is cut to shape and internal cutouts, reliefs, and deformations such as
dimples, lances, and louvers are created in CNC turret punch machines prior to forming the folded part. Each punch "hit" is
programmed with a tool number and tool center location on the flat sheet. Some machines can also rotate either the tool, or the stock, to
add an angle variable to the mix.

iFeature Creation

Saving and placing punches is a straightforward procedure in Autodesk Inventor software. However, creating an easy-to-use iFeature
that captures your design intent can be a different story. Simple cutout shapes are not difficult to capture. The only wrinkle when
creating a cutout to be used as a punch is to ensure that the tool center remains in the correct position when the punch changes size.
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Autodesk Inventor - Investing In Properties

One of the methods for associating nongraphical information with Autodesk Inventor™ files is by using file properties. A series of
common property sets are embedded within all Autodesk Inventor files. These property sets include:

Summary: General properties and keywords associated with the file.
Project: Properties common to files within a project or other structure.
Status: Design stage and approval properties (also file reservation information).
Custom: User-defined properties (Text, Number, Yes/No, and Date formats).

In addition, part and assembly files expose read-only physical properties, including material and mass. You can use property values to
automate the placement of information in BOMs, parts lists, balloons, sketched symbols, and title blocks.
In this tutorial, we'll examine methods to manage file properties, and take a look at the ways in which properties can help you document
your designs.

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Autodesk Inventor - Authoring and Publishing Frame Member Crosss Sections

In this Exercise:

In this Skill Builder exercise, you explore the creation of a frame member cross-section. The cross-section is used with Frame
Generator. After you complete this exercise, you will understand the steps required to:

• Create and author a structural shape.
• Publish it to Content Center to use with Frame Generator.

Workflow Overview

To complete this exercise, you will:

• Download and open a zip file containing two Inventor parts.
• Author an iPart as a structural shape.
• Publish an iPart to Content Center.
• Use the custom cross-section in Frame Generator.

Prerequisites:

• Install Inventor R2009.
• Install Content Center and configure it with a read/write library.
• Understand how to use iParts.
• Understand how to use Frame Generator in Inventor.
• Complete the Using Frame Generator tutorial supplied with Inventor.
• Download (and unzip) the zip file containing the source files to use during the exercise.

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