Catia exercises

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Copyright DASSAULT SYSTEMES 2002 1

CATIA TrainingExercises

Part DesignFundamentals

Version 5 Release 8

January 2002

EDU-CAT-E-PDG-FX-V5R8


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Table of Contents

1. Lever: Building the Main Pad p.3

2. Lever: Finishing the Part p.5

3. Connector Housing Presentation p.7

4. Connector Housing (1): Creating Features p.10

5. Connector Housing (2): Dressing-up the Connector p.12

6. Connector Housing (3): Modifying the Part p.14


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Exercise

Lever: Building the Main Pad

In this exercise you will:

Practice the various Sketcher tools and Sketch-based

features to cont inue the Lever

30 min.


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Do It Yourself

Create the lever using the provided profi le

Thickness = 5mm

Load: CATPDG_EX_Lever1.CATPart



Exercise

Lever: Finishing the Part

In this exercise you will:

Practice the various tools such as Pattern, Draft, Fillet, and

Mirror, to fin ish the Lever

30 min.



Do It Yourself

Pattern the hole

Add the draft angles (5deg)Fillet the edges (1mm)

Mirror the part

Load: CATPDG_EX_Lever2.CATPart



Master Exercise

Connector Housing: Presentation

In this exercise you will build a housing connector from

scratch following the recommended design process:

Create and combine features, and modify the part using

Sketcher and Part Design tools

70 min.



Design Intent: Connector Housing

The connector housing is a molded part that is used in an assembly

The part is not symmetricalThe profile of the main pad is sketched on the YZ plane

The catch is centered on the base

Counterbored through holes with same radius

The detent pocket and the clip are equally positioned

Most surfaces are drafted

Fillets radii are constant except for corners

Wall thickness is constant

Catch

Detent

Clip

Standoffs

Hole



Extruding profiles to create main pad

and other features

Filleting, drafting, and

shelling the part

Editing features to

modify the part

Design Process: Connector Housing

1

2

3



Master Exercise

Connector Housing (1) : Creating Features

In this step you wil l:Create the 4 main features making up the connector:

- the main pad

- the Catch

- the Detent Pocket

- the Clip

15 min.



Create the four features of the connector:

1. Main pad: 70mm long from the connector prof ile2. Catch: at 35mm from yz plane, 16mm centered on offset plane

3. Detent: 9.5mm long pocket 20mm forward of the back face of the main pad

4. Clip: 3mm long

Main pad

Detent

Detent

Clip

1

23

4

1

2

4

3

Do It Yourself Load: CATPDG_Ex_Connector_Housing_Step1.CATPart

E i



Exercise

Connector Housing (2): Dressing-up the Connector

In this step you wil l:Dress-up the Connector by:

- Drafting surfaces

- Filleting edges

- Shelling the part

- Patterning a hole

You wi ll also:

- Add standoffs

30 min.

f I id Cli



Do It Yourself

Dress-up the connector:

Drafts: 3degEdge fil lets: 1mm

Corner variable fillets: top= 1mm, bottom= 2mm

Connector shell (including the clip): 1mm inside thickness

Complement the part:

Hole: 3.5mm diameter, located at 15mm from right edge and 10mm from

front edge on the upper face

Pattern the second hole: 40mm from the first hole

On the underside of the part: 4mm standoffs

Vertical faces drafts= 3 deg.

Edge fillets= 1mmCorner fillets: top=1mm / bottom= 2mm

Shell= 1mm inside

thickness

15mm

10mm

Inside Clip

Faces

Right EdgeFront Edge

Hole location

4mm standoffs

Load: CATPDG_Ex_Connector_Housing_Step2.CATPart

M t E i


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Master Exercise

Connector Housing (3): Modifying the Part

In this step you wil l:Modify the connector by:

- Editing feature parameters

- Editing a sketch

- Editing fillets

- Changing the hole type

- Editing feature properties

30 min.

D It Y lf


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Do It Yourself

Modify the following features so that:

Main pad: width = 40mmStandoffs: include two tangent l ines, perpendicular to each other with

constraints

Step fillets: radius from 1mm to 1.5mm

Holes: Counterbored (5mm diameter and 1.5mm depth for the counterbore)

Catch (Pad.2) color: red

Counterbored

hole

40mm width pad

1.5mm

fillets

Red catchstandoffs

Load: CATPDG_Ex_Connector_Housing_Step3.CATPart

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