Wiley 978-1-1180-1682-4 Datasheet

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Chapter 1
Inventor Design Philosophy
In this chapter, you will be introduced to the concept of parametric 3D design and the general
tools and interface of Inventor. This chapter will focus on the concepts of parametric modeling
and the workflow, tools, and interface elements found in Inventor that are used to turn your ideas
into a design.
In this chapter, you will learn how to
Create parametric designs
•u
Get the feel” of Inventor•u
Use the Inventor graphical interface•u
Work with Inventor file types•u
Move from AutoCAD to Inventor•u
Create 3D virtual prototypes•u
Use functional design•u
Understanding Parametric Design
Autodesk Inventor is first and foremost 3D parametric modeling software. And although it has
capabilities reaching far beyond the task of creating 3D models, it is important for you to under-
stand the fundamentals of parametric 3D design. The term parametric refers to the use of design
parameters to construct and control the 3D model you create.
Creating a Base Sketch
Well-constructed parts start with well-constructed sketches. Typically, the 3D model starts with
a 2D sketch, which is assigned dimensions and 2D sketch constraints to control the general size
and shape. These dimensions and constraining geometries are the parameters, or input points,
that you would then change to update or edit the sketch. For instance, Figure 1.1 shows a base
sketch of a part being designed.
You can see four dimensions placed on the two rectangles defining the length and width of
each along with a fifth dimension controlling the angle at which the two rectangles relate. These
dimensions are parameters, and if you were to change one of them at any point during the
design or revision of the part, the sketch would update and adjust to the change.
An important part of working with sketches is the concept of a fully constrained sketch. Fully
constrained simply means that all of the needed dimensions and sketch constraints have been
applied to achieve a sketch that cannot be manipulated accidentally or as a consequence of an edit.
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COPYRIGHTED MATERIAL
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Summary of Contents

Page 1 - COPYRIGHTED MATERIAL

Chapter 1Inventor Design PhilosophyIn this chapter, you will be introduced to the concept of parametric 3D design and the general tools and interface

Page 2 - Adding More Features

10 | CHAPTER 1 Inventor DesIgn PhIlosoPhyto constrain to in the assembly and it will be much more stable. However, if you constrain the parts by sel

Page 3 - Making Changes

UnDerstanDIng the “Feel” oF Inventor | 11When you work with assemblies, the active tab changes to the Assemble tab (as shown in Figure 1.10), allowi

Page 4 - Figure 1.5

12 | CHAPTER 1 Inventor DesIgn PhIlosoPhyDrawing in AutoCAD Becomes Sketching in InventorThe fundamental difference between traditional AutoCAD and

Page 5

UsIng the Inventor graPhIcal InterFace | 13Using the Inventor Graphical InterfaceThe Inventor graphical interface might be different from what you ar

Page 6 - Part Modeling Best Practices

14 | CHAPTER 1 Inventor DesIgn PhIlosoPhyTable 1.1 defines all the Quick Access bar icons available for the different file types.Table 1.1: Quick Acc

Page 7

UsIng the Inventor graPhIcal InterFace | 15Icon DefinitionThe Design Doctor icon launches a dialog box that helps you diagnose and repair issues with

Page 8

16 | CHAPTER 1 Inventor DesIgn PhIlosoPhyex p l o r i n g t h e vi e w cu B eThe ViewCube, shown in Figure 1.15, is a 3D tool that allows you to r

Page 9 - Figure 1.7

UsIng the Inventor graPhIcal InterFace | 17a lo o K a t t h e na v iga tio n Ba rContinuing with the interface tour, you’ll see the navigation ba

Page 10 - Figure 1.9

18 | CHAPTER 1 Inventor DesIgn PhIlosoPhyThe Ribbon MenuThe Ribbon menu is similar to the one introduced in Microsoft Office 2007 in that it is compo

Page 11 - Figure 1.11

UsIng the Inventor graPhIcal InterFace | 19The Visibility panel has tools for controlling which objects are visible. When you click Object Visibility

Page 12 - When in Doubt, Right-Click

2 | CHAPTER 1 Inventor DesIgn PhIlosoPhyFor instance, if you were to sketch four lines to define a rectangle, you would expect two dimen-sions to be

Page 13 - Inventor Title Bar

20 | CHAPTER 1 Inventor DesIgn PhIlosoPhyUsing a perspective view may be desirable when viewing the model in a 3D view, but it can be distracting wh

Page 14 - Icon Definition

UsIng the Inventor graPhIcal InterFace | 21us i n g t h e Br o w s e rIn this section, you will explore the behavior of the browser pane when worki

Page 15 - Figure 1.14

22 | CHAPTER 1 Inventor DesIgn PhIlosoPhyWhen an assembly file is open, the Assemble tab of the Ribbon bar is active. You’ll notice that in the Model

Page 16 - Figure 1.15

UsIng the Inventor graPhIcal InterFace | 23eD i t a pa r tYou’ll continue with the exploration of the browser by setting a part file active for edits

Page 17 - Figure 1.16

24 | CHAPTER 1 Inventor DesIgn PhIlosoPhyFour Ways to Use EOP MarkersBecause part features are listed sequentially, in the order they were created,

Page 18 - The Ribbon Menu

UsIng the Inventor graPhIcal InterFace | 25Notice that the faceplate is pulled back against the frame. This is the power of a paramet-ric model. Beca

Page 19 - Visual Styles and Windows XP

26 | CHAPTER 1 Inventor DesIgn PhIlosoPhyWhen the Style And Standard Editor dialog box opens, the styles collection relating to the assembly file app

Page 20 - The Browser Pane

learnIng the FIle tyPes In Inventor | 27offered and suppressed depending upon the task at hand. You can close the drawing file you have open without s

Page 21 - Figure 1.19

28 | CHAPTER 1 Inventor DesIgn PhIlosoPhyTable 1.3 lists the filename extensions for the file formats commonly used in Inventor:Table 1.3: Common Fil

Page 22 - Figure 1.20

learnIng the FIle tyPes In Inventor | 29wo r K i n g w i t h Dwgs You can use DWG files in a number of ways in Inventor. Although Inventor does not

Page 23 - D i t a pa r t

UnDerstanDIng ParametrIc DesIgn | 3Using the Part in an AssemblyJust as well-constructed parts start with well-constructed sketches, well-constructed

Page 24 - Four Ways to Use EOP Markers

30 | CHAPTER 1 Inventor DesIgn PhIlosoPhyAnother aspect of working with an Inventor DWG in AutoCAD is that whereas the Inventor DWG does not contain

Page 25 - Task-Based Dialog Boxes

3D moDels vs. 3D vIrtUal PrototyPes | 31Determine whether your current computer hardware and network are up to the task of •uimplementing and using

Page 26 - Figure 1.24

32 | CHAPTER 1 Inventor DesIgn PhIlosoPhyFe w e r ph y s i c a l pr o t o t y p e sAlthough you may never be able to go straight from Inventor to

Page 27 - Why So Many File Types?

UnDerstanDIng FUnctIonal DesIgn | 33Too Busy Getting Drawings to the Shop to Build Virtual Prototypes?You have deadlines to meet, you’re trying to le

Page 28 - Drawing Files in Inventor

34 | CHAPTER 1 Inventor DesIgn PhIlosoPhyFunctional design supports design through generators and wizards that add mechanical con-tent and intellige

Page 29 - DWG File Size

the Bottom lIne | 35The Frame GeneratorThe Frame Generator will create internal or external frame assemblies for machines. The Frame Generator functi

Page 30

36 | CHAPTER 1 Inventor DesIgn PhIlosoPhyGet the “feel” of Inventor. Inventor’s interface contains many elements that change and update to give

Page 31 - Why a 3D Virtual Prototype?

4 | CHAPTER 1 Inventor DesIgn PhIlosoPhyHow would the holes be affected? Should they stay in the same place? Or should they stay at some defined dist

Page 32

UnDerstanDIng ParametrIc DesIgn | 5X Axis, the axis running in infinitely in the X direction•uY Axis, the axis running in infinitely in the Y directio

Page 33 - The V-belt Generator

6 | CHAPTER 1 Inventor DesIgn PhIlosoPhyParametric AutoCADStarting with AutoCAD 2010, you can create 2D parametric dimensions and constraints much a

Page 34 - The Design Accelerator

UnDerstanDIng ParametrIc DesIgn | 7rectangles dimensioned at an angle defines the basic shape and is much easier to sketch and fully constrain than th

Page 35 - The Bottom Line

8 | CHAPTER 1 Inventor DesIgn PhIlosoPhyFor instance, to create the base feature for the pivot link, you would create a sketch on a default origin p

Page 36

UnDerstanDIng ParametrIc DesIgn | 9game, you had to knock down all of the bottles. However, if the bottle in the center on the bottom were nailed dow

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