gen drafting r20 eval

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CATIA: Generative Drafting (ANSI)

Version 5, Release 20

Student Guide

Revision 1.0

March 2011


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ASCENT - Center for Technical Knowledge


Version 5, Release 20, Revision 1.0

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Table of Contents

2011, ASCENT - Center for Technical Knowledge

Table of Contents

Chapter 1 Generative Drafting Workbench................................1-1

1.1 Generative Drafting Process........................................... 1-3

1.2 Create a Drawing.............................................................. 1-41.3 User Interface...................................................................1-8

Active View......................................................................1-8Toolbars .......................................................................... 1-9Tile Horizontally............................................................. 1-10

1.4 View Types ..................................................................... 1-12

Projections ....................................................................1-12Sections ........................................................................ 1-16Details ........................................................................... 1-19Clipping View ................................................................1-20

Break Views ..................................................................1-211.5 Section Views/Cuts........................................................1-23

Create a Section View/Cut............................................ 1-23Create a Profile in 3D....................................................1-24Use Planes.................................................................... 1-25

1.6 Create a Manual View .................................................... 1-26

1.7 View Creation Wizard .................................................... 1-29

1.8 Use the View Creation Wizard ...................................... 1-30

1.9 Adding an Additional Sheet.......................................... 1-34

Sheet Properties ........................................................... 1-35Reordering Sheets ........................................................ 1-36Limitations ..................................................................... 1-36

1.10 File Associations ........................................................... 1-37

Restoring Links ............................................................. 1-37

Exercise 1a Create a Part Drawing..................................... 1-39

Exercise 1b Create a Sectional View.................................. 1-53

Exercise 1c Create a Part Drawing..................................... 1-59

Exercise 1d Create a Product Drawing .............................. 1-68

Exercise 1e Section & Cut Views (Optional) ..................... 1-79

Chapter 2 View Modification .......................................................2-1

2.1 View Manipulation............................................................2-3

Delete View.....................................................................2-3Hide/Show....................................................................... 2-3Show Geometry in All Viewpoints ................................... 2-3
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2.2 View Positioning.............................................................. 2-4

Moving Views.................................................................. 2-4Set Relative Position....................................................... 2-5Superpose....................................................................... 2-7

Align Views Using Elements ........................................... 2-8

2.3 View Properties................................................................ 2-9

Visualisation and Behavior............................................ 2-10Scale and Orientation ................................................... 2-10Dress-Up....................................................................... 2-10View Name.................................................................... 2-12Generation Mode .......................................................... 2-12

2.4 Section and Detail Properties....................................... 2-15

Recreating the Callout .................................................. 2-16

2.5 Hatching Properties ...................................................... 2-17

2.6 Profile Modification ....................................................... 2-18

Section Profiles............................................................. 2-18

Detail Profiles................................................................ 2-18

2.7 3D Support ..................................................................... 2-19

Exercise 2a View Manipulation........................................... 2-21

Exercise 2b View Manipulation II ....................................... 2-27

Chapter 3 Dimensioning.............................................................. 3-1

3.1 Manual Dimensioning ..................................................... 3-3

3.2 Manually Create Dimensions.......................................... 3-8

3.3 Automatic Dimensions.................................................. 3-153.4 One Step Dimensioning ................................................ 3-16

3.5 Step by Step Dimensioning .......................................... 3-18

3.6 Dimension Generation Settings ................................... 3-20

3.7 Modifying Dimension Properties ................................. 3-22

Value Tab...................................................................... 3-23Tolerance Tab............................................................... 3-25Dimension Line Tab ...................................................... 3-25Extension Line Tab ....................................................... 3-26Dimension Texts Tab .................................................... 3-26Font Tab........................................................................ 3-27Text Tab........................................................................ 3-27

Exercise 3a Annotate a Drawing ........................................ 3-28

Exercise 3b Linear Dimensioning ...................................... 3-48
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Table of Contents

2011, ASCENT - Center for Technical Knowledge ii

Chapter 4 Geometric Tolerancing............................................... 4-1

4.1 Geometric Tolerancing Terminology ............................. 4-3

4.2 Create Geometric Tolerances......................................... 4-6

Exercise 4a Geometric Tolerances I .................................... 4-8

Exercise 4b Geometric Tolerances II ................................. 4-21

Exercise 4c Geometric Tolerances III ................................ 4-24

Chapter 5 Detailing.......................................................................5-1

5.1 Annotation Creation ........................................................ 5-3

5.2 Create Text Annotations ................................................. 5-4

5.3 Create Text with Leader .................................................. 5-6

5.4 Edit Text with Leader.......................................................5-8

Handling Annotation Leaders..........................................5-8Adding Frames................................................................5-9

Copy Object Graphical Format......................................5-10

5.5 Organizing Annotations - Align Text............................ 5-11

5.6 Organizing Annotations - Align Dimensions...............5-13

5.7 Create Roughness Symbols ......................................... 5-16

5.8 Create Weld Symbols .................................................... 5-19

5.9 Dress-Up Elements........................................................ 5-23

Center Line....................................................................5-24Thread...........................................................................5-24

Axis Line........................................................................5-25Axis Line and Center Line............................................. 5-26Area Fill......................................................................... 5-27

5.10 Create Tables .................................................................5-28

5.11 Attribute Links................................................................ 5-33

Creating an Attribute Link.............................................. 5-33Managing Attribute Links............................................... 5-35

5.12 Dimension and Annotation Settings............................ 5-36

Geometry and Dimension Generation...........................5-36Dimension Creation Settings.........................................5-38

Manipulator Settings .....................................................5-40Annotation Settings .......................................................5-41

Exercise 5a Annotate a Drawing II ..................................... 5-42

Exercise 5b Create a Table ................................................. 5-56

Exercise 5c Add Weld Symbols.......................................... 5-69
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iv 2011, ASCENT - Center for Technical Knowledge

Chapter 6 2D Components.......................................................... 6-1

6.1 2D Sketching.................................................................... 6-3

6.2 Sketch Analysis ............................................................... 6-9

Geometry Tab................................................................. 6-9Diagnostic Tab.............................................................. 6-11Sketch Solving Status................................................... 6-12

6.3 Creating 2D Components ............................................. 6-13

Modifiable Text.............................................................. 6-14

6.4 Instantiating a 2D Component...................................... 6-15

6.5 Instantiating from Catalogs .......................................... 6-17

Catalog Creation........................................................... 6-17Instantiate from a Catalog............................................. 6-18Links.............................................................................. 6-20

6.6 Modifying an Instantiated 2D Component................... 6-21

Placement ..................................................................... 6-21

Explode the Component ............................................... 6-21Exposing a 2D Component........................................... 6-21Replacing...................................................................... 6-23

Exercise 6a Creating 2D Components............................... 6-24

Exercise 6b Reusing 2D Components from a Catalog..... 6-30

Chapter 7 Product Drawings....................................................... 7-1

7.1 Generate Bill of Materials ............................................... 7-3

Inserting Into a View ....................................................... 7-5

7.2 Display Balloons on a Drawing ...................................... 7-67.3 Scenes.............................................................................. 7-9

7.4 Create a View From a Scene......................................... 7-10

7.5 Use Overload Properties............................................... 7-12

7.6 Modify Links................................................................... 7-15

7.7 Component Drafting Properties ................................... 7-20

Do Not Cut in Section View........................................... 7-21Do Not Use when Projecting......................................... 7-22Represented With Hidden Lines ................................... 7-22

7.8 View Generation Modes................................................ 7-23

CGR.............................................................................. 7-23Approximate.................................................................. 7-24

Exercise 7a BOM, Balloons, and CGR Views.................... 7-25

Exercise 7b Drawing Views and Overload Properties...... 7-34

Exercise 7c Wine Opener.................................................... 7-44
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Table of Contents

2011, ASCENT - Center for Technical Knowledge v

Chapter 8 Complete the Drawing................................................ 8-1

8.1 Frame and Title Block...................................................... 8-3

Insert Frame and Title Block ........................................... 8-32D Drafting Functionality.................................................8-3

8.2 Create 2D Frame and Title Block.................................... 8-4

8.3 Insert a Frame and Title Block........................................ 8-7

8.4 Insert a Background View............................................. 8-12

8.5 Print a Drawing...............................................................8-14

Position and Size .......................................................... 8-14Print Area ...................................................................... 8-15Quick Print..................................................................... 8-16

8.6 Import and Export 2D Data............................................ 8-17

Importing 2D Data ......................................................... 8-17Exporting 2D Data......................................................... 8-18

8.7 Insert an Image...............................................................8-20

8.8 Large Drawing Management Techniques ....................8-21

Scenes .......................................................................... 8-21Hide/Show..................................................................... 8-21View Generation Mode..................................................8-21Local Update.................................................................8-22

Exercise 8a Create a Title Block......................................... 8-23

Exercise 8b Insert a Title Block .......................................... 8-34

Exercise 8c Insert Parameters into a Table....................... 8-40

Chapter 9 Projects........................................................................ 9-1

Exercise 9a Project A - Handle ............................................. 9-3

Exercise 9b Project B - Mounting Plate ............................... 9-7

Exercise 9c Project C - Product Drawing ............................ 9-8

Appendix A Drawing Frame and Title Block Customization ... A-1

A.1 Customizing a Script ...................................................... A-3

Loading a VBA Project ....................................................A-4Importing a CATScript.....................................................A-5

A.2 Anatomy of a Sample Macro.......................................... A-8

CATInit ............................................................................A-9CATCheckRef .................................................................A-9CATCreateReference......................................................A-9CATFrame.......................................................................A-9CATTitleBlock ...............................................................A-10CATExit.........................................................................A-10
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vi 2011, ASCENT - Center for Technical Knowledge

A.3 Basic Modifications.......................................................A-11

Syntax...........................................................................A-11Helper Functions...........................................................A-11Text Fields ....................................................................A-11Table Cell Sizes............................................................A-12

A.4 Advanced Modifications ...............................................A-14

User Input Boxes ..........................................................A-14Message Boxes ............................................................A-16

A.5 Adding Graphics............................................................A-18

Resizing/Moving a Graphic...........................................A-21Deleting a Graphic ........................................................A-21

Exercise A1 Modifying Macros........................................... A-22

Appendix B Extracting FT&A Views...........................................B-1

B.1 Functional Tolerancing and Annotation........................B-3

Annotation Switch On/Off................................................B-3

B.2 Drawing Creation.............................................................B-5

Exercise B1 Extracting FT&A Views.................................... B-8
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Chapter 1Generative Drafting Workbench

The Generative Drafting workbench is used to create 2D drawings from 3D models thatare created in the Part Design and Assembly Design workbenches. This chapterintroduces the workbench interface and outlines the process that can be used to createsimple and complex drawings.

This chapter introduces:

Generative Drafting Process

Create a Drawing

User Interface

View Types

Section Views/Cuts

Create a Manual View

View Creation Wizard

Use the View Creation Wizard

Adding an Additional Sheet

File Associations


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Generative Drafting Workbench

2011, ASCENT - Center for Technical Knowledge 13

1.1 Generative Drafting Process

To complete a production drawing, several steps must be performedas shown in Figure 11.

Figure 11

The creation of the 3D model is covered in the Introduction to

Modeling,Advanced Part Design,andAdvanced Assembly Design &Management courses. This course assumes that you are eitherfamiliar with the creation of 3D geometry or are not responsible for itscreation.

In the Generative Drafting workbench, the geometry of each view islinked to the 3D model. This permits changes to the 3D model to drivethe drawing and ensures that you are always working with the latestversion of the 3D geometry.

With the 3D geometry in session, you are ready to move to the next

step of creating a new drawing.
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1.2 Create a Drawing

You can access the Generative Drafting workbench by opening anexisting drawing file (*.CATDrawing) or creating a new drawing.

General Steps Use the following steps to create a new drawing:

1. Open the 3D model.

2. Initiate drawing creation.

3. Modify parameters of the drawing.

You should always create the 3D model before beginning any 2Dwork when working in the Generative Drafting environment. The partor assembly model should be open in CATIA, as shown in Figure 12,in preparation for drawing creation.

Figure 12

Step 1 - Open the 3D model.


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Enter the Drafting workbench by selecting Start > MechanicalDesign > Drafting with the model active. The New Drawing Creationdialog box opens as shown in Figure 13.

A new drawing can also becreated by selecting File >New > Drawing. However,this method does not

permit you to select an

automatic layout.

Figure 13

Select the predefined layout that applies. The Automatic Layoutoptions are described in Table 11.

Table 11

Step 2 - Initiate drawing creation.

Option Description

(Empty Sheet)

No views are added to the drawing. The newdrawing consists of an empty sheet.

(All Views)

Seven views are automatically added to thedrawing: Front, Back, Top, Bottom, Right, Left,and Isometric.

(Front, Bottom,and Right)

Three views are automatically added to thedrawing: Front, Bottom, and Right.

(Front, Top,and Left)

Three views are automatically added to the

drawing: Front, Top, and Left.
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The default settings for the drawing parameters are listed at thebottom of the New Drawing Creation dialog box, as shown inFigure 14.

Figure 14

Use the following steps to change these parameters:

1. Click to change the settings. The New Drawing dialogbox opens, as shown in Figure 15.

Figure 15

2. Select the drawing standard (e.g., ANSI, ISO, JIS, etc.).

3. Select the drawing sheet style and orientation (as needed).

4. Click in the New Drawing dialog box to complete themodifications.

Step 3 - Modify parameters of the drawing.

Orientation Standard Format


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Once you are ready to create the drawing, click in the NewDrawing Creation dialog box. The drawing displays as shown inFigure 16. The active view displays with a red border.

Figure 16

The active view

has a red border.

The active view also

displays a view axis.
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1.3 User Interface

The user interface of the Generative Drafting workbench displays asshown in Figure 17.

Figure 17

Active View All actions are performed in the Active view. For example, the viewgeometry is projected from the Active view when a Projection view is

created.

The specification

tree lists the

drawing views.

Use the sheet tabs to

toggle between sheets.

Drafting-specific icons
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The Active view is highlighted in the specification tree and alsoindicated by the color of its view border, as shown in Figure 18. The

Active view has a red border, while all other views have a blue border.To set the Active view, double-click on the view border or the viewname in the specification tree.

Figure 18

Toolbars The Generative Drafting workbench has a unique set ofDrafting-specific toolbar icons, as shown in Figure 17. The toolbarscan be divided into three different areas of functionality: ViewCreation, Dimensioning, and Annotation. These toolbars are shown inFigure 19and discussed in Table 12.

Figure 19

Active view

View Creation toolbars

Dimensioning toolbars

Annotation toolbars
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Table 12

Tile Horizontally The geometry of a generative drafting file is always driven from the 3Dgeometry of the model. You need to switch between the drawing andmodel window frequently to locate views and build your drawing.Horizontally tiling the windows enables you to quickly access eitherwindow at the same time. You can also use + to togglebetween the drawing and 3D model.

Toolbar Features Provided

Create front, projection, isometric,section, detail, clipping, and brokenview types. Open the View Creation

Wizard.

Create new sheets, views, and 2Dcomponents.

Create dimensions and datumfeatures and re-route dimensionsmanually.

Create dimensions and balloons

automatically and semi-automatically.

Insert text, symbols, and tables.

Create drafting features, such ascenter lines, axis lines, area fills, andarrows.


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Select Window > Tile Horizontallyto horizontally tile your windows.The drawing and model windows display as shown in Figure 110.Maximize the drawing window to switch back to a full view of thedrawing.

Figure 110
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1.4 View Types

The Views toolbar enables you to create a variety of different types ofdrawing views. The Views toolbar is shown in Figure 111.

Figure 111

Projections Use the Projection View toolbar to create a view of the model basedon its projection from a parent view. The types of views that can becreated using the Projection View toolbar are shown in Figure 112.

Figure 112

Projections

Sections

Details

Clippings

Broken View


Front View

Unfolded View

View from 3D

Projection View

Auxiliary View

Isometric View

Advanced Front View
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Front View

The Front view is also known as the main view, as shown inFigure 113. It is the parent to any related projection, auxiliary, anddetail views that reference it.

Figure 113

Unfolded View

The Unfolded view displays the flat pattern of a sheet metal model.The drawing view automatically displays the bend axes and bendlimits of the sheet metal part, as shown in Figure 114.

Figure 114

Unfolded view
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View from 3D

The View from 3D view displays a saved view from a model that wasgenerated using the Functional Tolerancing and Dimensioningworkbench. CATIA creates a view based on the selected annotationplane. All geometric dimensions and tolerances added to theannotation plane are automatically displayed in the new view.

Projection View

The Projection view projects a view from the active view. This createsviews, such as top, right, left, and bottom. It is placed by selecting alocation on the screen. The system applies the proper view namebased on its position to the Front view. A Projection view maintainsthe same scale value as its parent view, as shown in Figure 115.

Figure 115
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Auxiliary View

An Auxiliary view projects a view normal to a reference plane, edge,or axis of the active view, as shown in Figure 116. Auxiliary viewscan be created by referencing a reference plane, edge, or axis fromthe active view.

Figure 116

Isometric View

An Isometric view is used as a reference view, as shown inFigure 117, and is typically set at a smaller scale. CATIA creates theview based on the current model orientation when the reference faceis selected from the 3D model.

Figure 117


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Advanced Front View

The Advanced Front view is the same as the Front view and alsoenables you to specify the name and scale, as shown in Figure 118.

Figure 118

Sections Once a view of the model is created using the Projections toolbar, youcan begin to create new views to display specific sections of themodel. Section views must be created as separate views. An existingview cannot be modified to become a section view.

Use the icons in the Sections toolbar to create section views, asshown in Figure 119.

Figure 119

Offset Section View

Aligned Section View

Offset Section Cut

Aligned Section Cut


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Offset Section View

The Offset section view creates a section and displays all of theedges that are behind the cutting plane. You can create this view asplanar (as shown in Figure 120) or as a sketched cutting plane (asshown in Figure 121).

Figure 120

Figure 121


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Aligned Section View

The Aligned section view unfolds the view until it is parallel to thescreen, as shown in Figure 122.

Figure 122

Offset Section Cut View

The Offset Section Cut view creates a section that only displays thematerial within the cutting plane, as shown in Figure 123. Edgesbehind the cutting plane are not visible.

Figure 123

Aligned Section Cut View

The Aligned Section Cut view unfolds the view until it is parallel to thescreen, but only displays material that is within the cutting plane.Edges behind the cutting plane are not visible.


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Details The Detail view creates a scaled view that focuses on a specific areaof an existing view. The Detail view is created by defining a boundaryon an existing view that encloses the geometry to be represented andselecting a location in which to place the view. The systemautomatically assigns a label identifying the scale value and viewname of the Detail view. The orientation of this view corresponds to itsparent view. The types of views that can be created using the Details

toolbar are shown in Figure 124.

Figure 124

Detail View

Define the boundary of the Detail view by sketching a circle in theparent view. The view is generated by calculating a boolean cut fromthe 3D model geometry. An example of a Detail view is shown inFigure 125.

Figure 125

Detail View

Detail View Profile

Quick Detail View

Quick Detail View Profile


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Detail View Profile

Define the boundary of the Detail view profile by sketching a closedchain of lines in the parent view. This enables the view to remove anyunwanted geometry from the parent view by sketching around it. Anexample of a Detail view profile is shown in Figure 126.

Figure 126

Quick Detail View/Quick Detail View Profile

These views are identical to the Detail View and Detail View Profileexcept that the view is generated from the 2D geometry of the parent

view rather than the 3D model. This enables a view that is stillassociative to the 3D model to be generated quickly. The displayproperties of the view are different. For example, the line display ofthe view cannot be altered.

Clipping View A Clipping view simplifies an existing view. It displays a focused areaby removing the geometry outside the circle or profile boundary. Youmust sketch the boundary in the active view. The types of views thatcan be created using the Clippings toolbar are shown in Figure 127.


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Figure 127

A clipping view is different from a detail view in that a new view is notcreated. The clipping view modifies an existing view by removinggeometry from the view.

Similar to a Detail view, a Clipping view defines the view boundaryusing a sketched circle, while the Clipping View Profile defines theview boundary using a closed chain of lines. Figure 128shows a

Front Projection view that has been clipped using a circular boundary

A Clipped view can berestored to a regular viewby right-clicking on theview and selecting * object> Unclip,where * is the

view name.

Figure 128

Break Views The Break view toolbar enables you to remove view geometry fromwithin a sketched area on an existing view. The types of view breaksthat can be created using the Break view toolbar are displayed inFigure 129.

Figure 129

Clipping View

Clipping View Profile

Quick Clipping View

Quick Clipping View Profile

Broken View

Breakout View

Add 3D clipping


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Broken View

A Broken view removes the view geometry between two break linesand only displays the important features of a model, as shown inFigure 130.

A Broken view can berestored to a regular viewby right-clicking on the

view and selecting * viewobject > Unbreak, where *is the view name.

Figure 130

Breakout

The Breakout view displays a section within a sketched area. Thesystem automatically adds the rough edges to your sketched area, asshown in Figure 131.

A Breakout view can be

restored to a regular viewby right-clicking on theview and selecting * viewobject > RemoveBreakout, where * is theview name.

Figure 131


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1.5 Section Views/Cuts

The three methods used to create section views are as follows:

Create a Section view/cut

Create a Profile in 3D Use Planes

Create a

Section

View/Cut

The Section view/cut method involves sketching the section profile onthe parent drawing view.

Use the following steps to create a section view:

1. Activate the parent view and click (Offset Section View).

2. Define the starting point of the profile.

3. Create the profile. While creating your profile, you can snap toexisting geometry in the view. For example, to place a sectionthrough the center of a hole, select its edge, as shown inFigure 132.

Figure 132

Additionally, you can use the Tools Palette toolbar. You can specifyfour types of constraints, as shown in Figure 133.

Figure 133

Parallel AnglePerpendicular Offset
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For example, to keep the profile perpendicular to one of the edges

of the model, click (Perpendicular). Then select the edge inthe view, as shown in Figure 134.

Figure 134

4. To finish the profile creation, double-click at the end of your profile.Then place the view in an appropriate location on the drawing.

Create a

Profile in 3D

Use the following steps to create a section view/cut using the profile in3D method:

Positioned sketches are

considered a best practice.

They ensure more robustmodels with predictableresults.

1. Create a positioned sketch in the 3D part.

2. Draw the approximate shape of the required cutting line inSketcher.

1. Define the starting point.

3. Select the edge.

2. Select the constraint type.

Profile is created

perpendicular to

selected edge


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3. Constrain the profile to the geometry through which the sectionmust cut, as shown in Figure 135.

Figure 135

4. Exit the sketch.

5. Activate the drawing.

6. Ensure that the parent view for the section is activated.

You can only select 3Dprofiles that areappropriate for the type ofview selected.

7. In the Sections toolbar, click the appropriate icon. For example,

click (Offset Section View) to create an offset section view.

8. Activate the 3D model and select the positioned sketch.

9. Activate the drawing and select a location for the view. The section

profile is now linked to the 3D geometry and changes if the part ischanged.

Use Planes Reference planes can also be selected from the 3D model to define asection view. When this is done, the position of the reference planedetermines the cut location on the part. Modifications to the referenceplane update in the section view.

To use a plane to define a section cut, select the appropriate icon inthe Sections toolbar. Activate the 3D model and select the reference

plane in the model or specification tree.

Profile

constrained

through

hole center
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1.6 Create a Manual View

The creation of drawing views is the first step in creating a drawing.View creation takes a 2D view from the 3D model and displays it onthe drawing. You can use the following two methods of view creation

when using the Generative Drafting workbench: Manual view creationor View Wizard.

Drawing views can be created once a 3D model has been openedand a new drawing document has been created.

General Steps Use the following general steps to manually create drawing views:

1. Create a Front view.

2. Orient the view.

3. Create additional views.

Click (Front View) to create a Front view.

Activate the 3D model window and select a planar reference, asshown in Figure 136. A preview of the drawing view displays in thebottom, right corner of the window.

Figure 136

Step 1 - Create a Front view.

Step 2 - Orient the view.
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The view orientation compass enables you to rotate and flip the Frontview until the required orientation has been achieved, as shown inFigure 137.

Figure 137

The view compass functionality is shown in Figure 138.

Figure 138

Use the right-click menu to change the compass properties, as shownin Figure 139(right-click on the green rotate handle).

Figure 139

View orientation

compass

Drag handle

to rotate view

Use the arrows

to flip the view

Select center to complete


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Orient the view using the compass. When you reach the required vieworientation, select the center of the compass or select anywhere onthe drawing sheet to complete the view definition. The completed viewdefinition displays as shown in Figure 140.

Figure 140

Use the View toolbar to create additional views as needed. The Viewtoolbar is shown in Figure 141.

Figure 141

Step 3 - Create additional views.

Projections

Sections

Details

Clippings

Broken View



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1.7 View Creation Wizard

The View Creation Wizard can be used to quickly customize the viewlayout.

To access the View Creation Wizard, ensure that the 3D model is

open in a CATIA window and click (View Creation Wizard) in theViews toolbar. The View Wizard dialog box opens as shown inFigure 142.

Figure 142
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1.8 Use the View Creation

Wizard

General Steps Use the following steps to customize the view layout using the ViewCreation Wizard:

1. Select a predefined configuration.

2. Arrange the configuration.

3. Orient the drawing views.

4. Generate the views.

Select the required view layout from the icons on the left side of thedialog box. Drag the layout to a location on the sheet, as shown inFigure 143.

Figure 143

Step 1 - Select a predefined configuration.
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Toggle (Views Link) to unlink the views, as needed. Keeping alink with projection views is recommended. It ensures that any linkedviews are moved to the new location if the parent view is moved. Click

to proceed to the next step.

Select the icons on the left side of the dialog box to add additionalviews to the drawing, as shown in Figure 144.

Figure 144

Step 2 - Arrange the configuration.
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Delete unwanted views by right-clicking on a view and selectingDelete, as shown in Figure 145.

Figure 145

Enter the minimum distance between views in the field at the bottomof the dialog box. Note that the main view is specified as the Front

view in the View Wizard dialog box. Click to complete theoperation.
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As the model is already open in a second window, select Window >Tile Horizontallyto display both the drawing and the model at thesame time. Activate the model window and select a surface on themodel to determine the orientation of the Front view, as shown in

Figure 146.

Figure 146

Reorient the views as needed using the compass, as shown inFigure 147.

Figure 147

Generate the views by selecting anywhere on the sheet.

Step 3 - Orient the drawing views.

Step 4 - Generate the views.

Select this

surface


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1.9 Adding an Additional Sheet

A CATDrawing file can contain more than one sheet. The sheets aredisplayed in the specification tree and along the top of the drawingwindow as tabs. To switch between sheets, either double-click on the

sheet in the tree or select the tab.

Use one of the following methods to add a new sheet:

Click (New Sheet) in the Drawing toolbar, as shown inFigure 148.

Select Insert > Drawing > Sheets > New Sheet.

Figure 148


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Sheet Properties To display the sheet properties, right-click on the sheet name in thespecification tree and select Properties. The Properties dialog boxopens as shown in Figure 149.

Figure 149

The following sheet properties can be modified:

Sheet name and scale

Sheet size and orientation

Projection method (first or third angle)

View positioning within the frame (geometric center or part axis)

Print area


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Reordering

Sheets

Use the following steps to reorder sheets:

1. In the specification tree, right-click on the sheet name and selectx object > Reorder, as shown in Figure 150.

Views can also bereordered in the

specification tree using thesame technique.

Figure 150

2. When you move the cursor over the sheets in the specificationtree, the cursor changes to indicate where the selected sheet isgoing to be placed in the tree. By default, the selected sheet isplaced below the target sheet, as shown in Figure 151.

Press and hold toplace the selected sheets

above the target sheet.The cursor changes to

.

Figure 151

Limitations Reordering has the following limitations:

Sheets and views cannot be reordered at the same time.

Sheets can only be reordered under their parent drawing.

Views can only be reordered under their parent sheet.

Detail sheets can only be placed after regular sheets.

Before After
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1.10File Associations

Since the views of a drawing depend on the 3D model geometry, alink is established between the model and drawing when drawingviews are created. CATIA must be able to load the 3D geometry from

the associated CATPart or CATProduct file for the drawing views toupdate.

The associated model must be moved with the drawing if it is moved.Similarly, the associated model must be saved when the drawing issaved. A warning box opens if a drawing is saved and the linkedmodel is not saved with it, as shown in Figure 152. SelectFile >Save Managementto ensure that all associated models are savedwith the drawing file.

Figure 152

Restoring Links The specification tree displays with a broken link icon when a drawingis opened without its linked document, as shown in Figure 153. The

symbols indicate that the links to the referenced document arebroken.

Figure 153

At this point, the views of the drawing are displayed and you canmodify the properties of the views. However, you cannot add newviews or add detail to existing views until the link to the model hasbeen re-established.


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You can verify the links for a drawing by selecting Edit > Links. TheLinks dialog box opens, as shown in Figure 154.

Figure 154

The Linkstab displays a status for each view on the drawing. Use thePointed documentstab to locate or replace the missing linkeddocuments and bring them into session to update the drawinggeometry. The Pointed documentstab is shown in Figure 155.

Figure 155


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Exercise 1a Create a Part Drawing

In this exercise, you will create a part drawing forExhaustFlange.CATPart.

Goal After you complete this exercise, you will be able to:

Create a part drawing

Create Front, Projection, Detail, and Isometric views

Modify page properties and drawing options

Task 1 - Retrieve a part file.

1. Select File > Openand select ExhaustFlange.CATPartin theExhaust Manifolddirectory. The 3D model displays as shown inFigure 156.

Figure 156

Task 2 - Create a drawing.

1. Select File > New. In the New dialog box, in the List of Types,select the Drawingoption.

2. Click . The New Drawing dialog box opens.
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3. For the Standard, enter [ANSI]and for the Sheet Style, select CANSIas shown in Figure 157.

Figure 157

4. Click . An empty sheet displays.

Task 3 - Create a Front view.

1. In the Projections toolbar, click (Front View).

2. Select a planar surface to orient the view by selecting Window >ExhaustFlange.CATPartand then selecting the surface, shown inFigure 158.

Note the preview in thebottom right corner of thedisplay.

Figure 158


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The drawing window becomes active, and the view preview andthe compass display, as shown in Figure 159.

Figure 159

3. Select anywhere in the display to complete the creation of theFront view, as shown in Figure 160.

Figure 160
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Task 4 - Modify properties of a view.

1. In the specification tree, right-click on the Front view and selectProperties, as shown in Figure 161. The Properties dialog boxopens.

Figure 161

2. Select the Viewtab. For the Scale value, enter [1:2] as shown inFigure 162.

Figure 162

3. Click to complete the change. The view updates with thenew scale value.


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4. Move the view to the location shown in Figure 163by selectingthe view frame and dragging it to the new location.

Figure 163

Task 5 - Modify the sheet size.

1. Select File > Page Setup. The Page Setup dialog box opens.Expand the Sheet Style drop-down list and select B ANSI asshown in Figure 164.

Figure 164


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2. Click . The sheet size updates as shown in Figure 165.

Figure 165

Task 6 - Set the drafting options.

1. Select Tools > Options. In the left side of the dialog box, selectMechanical Design > Drafting. Select the Generaltab.

2. In the Gridarea, clear the Displayand Snap to pointoptions asshown in Figure 166.

You can also disable theSketcher Gridoption inthe Visualization toolbar

and the Snap to Pointoption in the Tools toolbar.

Figure 166

3. Click .

Task 7 - Create a section view.

Section views can only becreated from the activeview. Make sure the viewyou are cutting has a redborder.

1. Zoom in on the Front view as shown in Figure 167. In the

Sections toolbar, click (Offset Section View).


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2. Position the cursor so that a witness line displays at the center ofthe hole as shown in Figure 167. Select the location with the leftmouse button.

Figure 167

3. Select a location to the right of the view as shown in Figure 168.Ensure that the line is blue (this indicates that the line ishorizontal). Double-click on the end point of the line to finishdefining the location of the cross-section.

Figure 168

Witness line

Select a

location here

Double-click here


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4. Place the cursor above the Front view, as shown in Figure 169,and click the left mouse button to place the view.

Figure 169

The section view displays as shown in Figure 170.

Figure 170


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Task 8 - Create a projection view.

1. In the Projections toolbar, click (Projection View) and placethe projected view in the location shown in Figure 171.

Figure 171

Task 9 - Activate and modify a view.

1. Double-click on the view frame of the projected view created inTask 8 (Right view) to activate the view. The view frame of an

active view is displayed in red.

2. Open the Properties dialog box of the active view.

3. In the Dress-uparea, select the Hidden Lines and 3D specoptions and clear the remaining options, as shown in Figure 172

Figure 172

Place projected

view here


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4. Click . The projection view displays as shown inFigure 173.

Figure 173

Task 10 - Create a detail view.

1. In the Details toolbar, click (Detail View).

2. Select a location on the section view, as shown in Figure 174.

Figure 174

Select this location


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3. Draw the circle callout with the cursor, as shown in Figure 175,and click the left mouse button.

Figure 175

4. An error message box opens as shown in Figure 176, indicatingthat a Detail view definition does not intersect with the active view.

Click to close the dialog box.

Figure 176

5. Click (Detail View) to deactivate it.


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The radius for the detailcallout can be entered inthe Tools Palette.

6. Activate the section view and create the Detail view shown inFigure 177.

Figure 177

Task 11 - Create an isometric view.

1. Click (Isometric View).

2. Activate the ExhaustFlange.CATPartwindow and select the part,as shown in Figure 178.

Figure 178

When creating an Isometric view, you select the part to orient it,rather than a planar surface. The drawing view displays the resultof the current orientation of the model and is not necessarily a trueisometric orientation.

Detail view

Select

the part


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3. Place the isometric view in the location shown in Figure 179.

Figure 179

4. Rescale the isometric viewto [1:3] and move it to the location

shown in Figure 180.

Figure 180


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5. Move the view names of each view so that they display as shownin Figure 181. Relocate the Detail view to the bottom right cornerof the page.

Figure 181

6. In the Properties dialog box, in the Prefixfield, enter [Referenceview] to rename the isometric view as shown in Figure 182.

Figure 182

7. Save the drawing in the Exhaust Manifold directory of the trainingfiles. For the drawing name, enter [ExhaustFlange].

8. Close all files.


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Exercise 1b Create a Sectional View


Create a cross-section view

Create a cross-section view from 3D

Task 1 - Open the drawing.

1. Open Bracket.CATDrawing. The model displays as shown inFigure 183.

Figure 183

Task 2 - Create a cross-section view.

1. Double-click on the front view to make it active.

2. Click (Offset Section View).
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3. Sketch the cross-section profile shown in Figure 184. Ensure thatthe section intersects the two holes at their centers. Double-clickon the sketch to complete it.

Figure 184

4. Move the cursor to the right of the front view. Position the sectionpreview and click the left mouse button to place the view on thedrawing.

Sketch this

section profile
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Task 3 - Modify the part.

1. Open Bracket.CATPart. The model displays as shown inFigure 185.

Figure 185

2. In the specification tree, locate and double-click on the Pad.1feature.

3. Double-click on the 38mm dimension. For the new dimension

value, enter [44mm] and click .

The standard Windowsshortcut keys, +, can also be used totoggle display windows.

4. Select Window > Bracket.CATDrawingto switch to the drawingview.

5. Update the drawing by clicking (Update current sheet). Thedrawing views update to display the modified part geometry.

6. Note that Section view A-A, created in Task 2, no longer intersectsthe counterbored holes at their centers, as originally intended. Thistype of cross-section profile sketch is not flexible.
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Task 4 - Create a sketch in the 3D model.

1. Switch back to the part file window and select the front face shownin Figure 186.

Figure 186

2. Click (Positioned Sketch) to start the creation of a positionedsketch.

3. At the bottom of the Sketch Positioning dialog box, select theSwapoption.

4. At the bottom of the Sketch Positioning dialog box, select the

Reverse V optionas shown in Figure 187.

Figure 187

Select this

surface


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5. Click to close the dialog box and enter the Sketcherworkbench.

6. Sketch the cross-section profile shown in Figure 188. Constrainthe left vertical line of sketch to the vertical axis, and the rightvertical line to the center of the hole. This can be done by

projecting the edge of the hole as a construction element, andthen sketching a construction point at the center of the hole andmaking the point and vertical line coincident. Exit the Sketcherworkbench when the sketch is complete.

Figure 188

7. In the specification tree, locate and double-click on the Pad.1feature. Revert the 44mm dimensionto [38mm].

Task 5 - Create a 3D-linked section view.

1. Activate the drawing window and update the drawing.

2. Click (Offset Section View) to create a new section view.

3. Without sketching any cross-section lines, switch to the partwindow and select the newly created sketch feature.

4. The display automatically reverts to the drawing window. Move thecursor to the right of the front view. Position and place the sectionview.

5. Switch to the part window and change the 38mm Pad.1 dimensionto [44mm].
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6. Activate the drawing window and update the drawing. Note thepositioning of the cross-section profile. The intent of the drawinghas been captured using a positioned sketch.

7. Save and close all of the files.


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Exercise 1c Create a Part Drawing

In this exercise, you will create the drawing for a part.


Create a projection view

Create a broken view

Create a clipping view

Modify view properties

Task 1 - Create a drawing.

1. Select File > New. In the New dialog box, in the List of Types,

select the Drawingoption.

2. For the Standard, specify ANSI and for the Sheet Style, selectC ANSIas shown in Figure 189.

Figure 189

3. Click . An empty sheet displays.


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Task 2 - Open a part file.

1. Open SteeringColumn.CATPart. The model displays as shown inFigure 190.

Figure 190

Task 3 - Create a Front view.

1. Activate the drawing window.

2. In the Projections toolbar, click (Front View).

3. Activate the SteeringColumn.CATPartwindow. Orient the partand select the surface shown in Figure 191.

Figure 191

Select thissurface


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4. Orient the view using the view definition compass, as shown inFigure 192. Select anywhere on the sheet to complete the view.

Figure 192

Task 4 - Create a Broken view.

1. Click (Broken View).

2. To specify the first breaking line, select the front view at theposition shown in Figure 193.

Figure 193

3. A dashed green line perpendicular to the column shaft displays.Select the dashed line so that it becomes solid. It defines theorientation of the breakout lines, which can be horizontal orvertical.

4. Select the position of the second vertical breakout line as shown inFigure 193.

Place the first

breakout line here

Place the second

breakout line here


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5. Select on the sheet to complete the view. The broken front viewdisplays as shown in Figure 194.

Figure 194

6. Create a second broken view on the right side of the column shaftas shown in Figure 195. Note that a dotted line does not displayduring the placement of the first breakout line because theorientation of the breakout has already been defined for this view.

Figure 195

7. Click and drag the view text to move it under the Front view.
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8. Position the completed view, as shown in Figure 196.

Figure 196

Task 5 - Create a Projection view.

1. In the Projections toolbar, click (Projection View). Place theprojected view at the location shown in Figure 197.

Figure 197

Move front view

to this location

Place the projection view here


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Task 6 - Create an Isometric view.

1. Click (Isometric View).

2. Activate the SteeringColumn.CATPartwindow.

3. Click (Isometric View) and select the part, as shown inFigure 198.

Figure 198

4. Place the isometric view. Rescale the viewto [1:4] and move it tothe location shown in Figure 199.

Figure 199

Select the part

Move isometric view

to this location


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Task 8 - Display hidden lines in the clipped isometric view.

1. In the specification tree, right-click on the second Isometric viewand select Properties. The Properties dialog box opens, as shownin Figure 1102.

Figure 1102

2. In the Viewtab, in the Dress-uparea, select the Hidden Linesoption to enable it.
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3. Click to close the Properties dialog box. The completeddrawing displays as shown in Figure 1103.

Figure 1103

4. Save the drawing as [ExhaustFlange].

5. Close all of the files.
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2. Enter a Scale value of [1:3]. This controls the default scale for anynew view that is added to the sheet. The Properties dialog boxopens as shown in Figure 1105.

Figure 1105

3. Click .

Task 4 - Use the View Wizard to create a drafting view layout.

1. Click (View Creation Wizard). The View Wizard dialog boxopens, enabling you to predefine the configuration of the layout.
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2. In the Minimum distance between each viewfield, enter [195] asshown in Figure 1106.

Figure 1106

3. In the View Wizard dialog box, click . The layout displays inthe View Wizard Preview, as shown in Figure 1107.

Figure 1107

4. Click .


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5. Click to add an isometric view to the layout. Position theisometric view, as shown in Figure 1108.

\Figure 1108

6. Click .

7. Activate the assembly model window. Rotate the assembly modeland select the surface shown in Figure 1109.

Figure 1109

Select this surface


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8. Accept the Front view preview by selecting anywhere in thedisplay. The drawing updates as shown in Figure 1110.

Figure 1110

9. Move the Front view to the location shown in Figure 1111. Notethat all other views move relative to the Front view.

Figure 1111


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10. In the Properties dialog box of Sheet.1, change the Global Scaleto [1:2]. All of the views update to reflect this change, as shown inFigure 1112.

Figure 1112

11. Modify the Scale value of the isometric view to [1:4], as shown inFigure 1113.

Figure 1113


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12.Move the Right view to the right side, as shown in Figure 1114.

Figure 1114

Task 5 - Create an Auxiliary view of the exhaust flange.

1. Zoom in on the Front view as shown in Figure 1115.

Figure 1115

2. Ensure that the Front view is the active view.

Move Right view here


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3. In the Projections toolbar, click (Auxiliary View).

4. Select the edge of the Front view geometry, as shown inFigure 1116.

Figure 1116

5. Select a location to the right of the Front view geometry, as shown

in Figure 1117.

Figure 1117

Select a

location here


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6. Move the cursor to the right of the Front view to locate the Auxiliaryview, as shown in Figure 1118. Click the left mouse button toplace the view.

Figure 1118

Task 6 - Modify the Auxiliary view.

1. Double-click on the directional arrows of the Auxiliary view, asshown in Figure 1119. The system enters the Edit/Replaceworkspace.

Figure 1119
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2. In the Edit/Replace toolbar, click (Invert Profile Direction) toinvert the arrows.

3. Click the left mouse button and drag the vertex of the line to thelocation shown in Figure 1120.

Figure 1120

4. Move the other end of the line to the location shown in

Figure 1121.

Figure 1121


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5. Click (End Profile Edition). The drawing displays as shown inFigure 1122.

Figure 1122

6. Move the Auxiliary view to the right and the Projection view to theleft, as shown in Figure 1123.

Figure 1123

7. Save the drawing as [ExhaustManifold].

8. Close all of the files.

Projection view Auxiliary View


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Exercise 1e Section & Cut Views (Optional)

Goal In this exercise, you will create a part drawing for the handle of apower drill, Handle.CATProduct.

Create a part drawing without instruction

Create a Section View with a 3D profile

Create a Section Cut with a 3D profile

Task 1 - Retrieve a product file.

1. Open TransitionTube.CATPart. The part displays as shown inFigure 1124.

Figure 1124

2. Create a new Drawing file. For the Standard, enter [ANSI]and forthe Sheet Style, select D ANSI.


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3. Produce the views shown in Figure 1125. The section cut viewsare aligned to the sections used to build the transition tube part.Build these sections in the 3D model to ensure that they arelocated correctly.

Figure 1125

4. Save and close all of the files.

gen drafting r20 eval

Documents