catia piston detailed steps

7/28/2019 CATIA Piston Detailed Steps

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u How to deal with a mechanical part design ,

starting from scratch

The Part Design Workbench


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Define Part Overall Process

u First, you are going to open the Part Design

Workbench.

8 (1) Select the 6WDUW menu.

8 (2) Select the 3DUW'HVLJQ workbench.

Maximize window size.

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The Part Design Workbench


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u You are now going to choose the plane on which

you will draw your first sketch.

uIn Tools / Options, set the Part / Sketcher values

to 20 for Graduations and 100mm for Primary

spacing.

8 (1) Select the ;


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u You are now going to sketch a circle that you will

use later to create a pad feature.

8 (1) Select the &LUFOH icon.

8 (2) Select the origin point as circle center.

8 (3) Select about 6 grid squares from the

circle center.

8 (4) Select the &RQVWUDLQW icon.

8 (5) Select the dimension position inside or

out of the circle.

Create a Pad Feature


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u You are going to modify the circle diameter.

8 (1) 'RXEOHFOLFN on the circle diameter

dimension value.

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8 (2) Key in PPas diameter value.

8 (3) Select 2. to confirm the modification.



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u You are going to leave the Sketcher, and create

a Pad feature.

8 (1) Select the ([LWicon.

8 (2) Select the 3DG icon.

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8 (3) Key in PP as Pad lenght.

8 (4) Select 2. to confirm.



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u You are now going to create a second part body.

This body will be later duplicated to perform 2cut-outs on the first Pad feature.

8 (1) Select the ,QVHUW menu.

8 (2) Select %RG\

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Create two symmetric cut-outs


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u You are going to select the plane on which you

will create the next sketch.

8 (1) Select the =;plane.

8 (2) Select the 6NHWFKHU icon.

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u You are going to sketch a new profile.

8 (1) Select the 3URILOH icon.

8 (2) Sketch the profile as indicated.

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SRLQW



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u You are going to define the right profile elements

dimensions.

8 (1) 'RXEOHFOLFN on the &RQVWUDLQW icon.

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8 (2) Place the cursor on the lower line as

indicated, and press the PRXVHEXWWRQ to

access the contextual menu.

8 (3) Select the )L[ option.

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SRVLWLRQLVIL[HG



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u You are going to create lenght and distance

dimensions.

8 (1) Select the indicated vertical line.

8 (2) Select on the left side of the sketch to

define the dimension location.

8 (3) Repeat the same operation for the lower

fixed horizontal line.

8 (4) Select the left vertical line, and the

yellow 9 vertical axis, and place the

dimension under the last one.



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u You are going to create an angle dimension, and

adjust ots value.

8 (1) Select the 2 indicated lines.

8 (2) Select on the sketch left side to locate

the dimension.

8 (3) Double-click on the dimension value ,

and set it to GHJ in the &RQVWUDLQW

(GLWLRQ.




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u You are going to modify the sketch dimensions.

8 (1) Repeat the last operation on the other

dimensions to specify the indicated values.

8 (2) Select the ([LW icon.



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u You are now going to create a new Pad feature.


8 (2) Select the 0LUURUHGH[WHQW in the 3DG

'HILQLWLRQ dialog box, and Select 2. to

confirm.

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u You are going to make a symmetric copy of the

Pad feature you just created.

8 (1) Select the 0LUURU icon.

8 (2) Select the


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u You are now going to remove the mirror

operation result from the first Pad feature.

8 (1) Place the cursor on %RG\ in the

Feature Editor, and press the PRXVH

EXWWRQ to access the contextual menu.

8(2) Go down to the last line %RG\REMHFW,and choose the 5HPRYH option.



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u You are going to sketch a profile that you will

use to create a double boss.

8 (1) Select the


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.

8 (1) Select the &RQVWUDLQW icon and create

a distance dimension between the circle

center and the yellow + horizontal axis.

8 (2,3,4) Double-Click on this dimension value

to set it to PP in the &RQVWUDLQW

(GLWLRQ dialog box, and select 2. to

confirm.


Create a double boss


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u You are going to create a new Pad Feature.


8 (2,3,4) Select the 0LUURUHGH[WHQW in the

3DG'HILQLWLRQ dialog box, and Select 2.

to confirm.

Create a double boss


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use to create a cut-out.

8 (1) Select the indicated part face.


8 (3) Select the 7KUHHSRLQWDUF icon.

8 (4) Select the 3 indicated $%& points to

create the arc.


Perform a cut-out

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u You are now going to make the cut-out itself.

8 (1) Select the 3RFNHW icon.

8 (2) Selectn WKHLQGLFDWHGDUURZ to invert its

direction.

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8 (3,4) In the menu available under the

indicated arrow, choose the 8SWRQH[Woption, and select 2. to confirm.

Perform a cut-out


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use to create a pocket.

8 (1) Select the indicated part face.


8 (3) Select the 3URILOH icon.

8 (3) Sketch the profile as indicated.

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Create a Pocket Feature


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u You are now going to specify the sketch

dimensions.

8 (1) 'RXEOHFOLFN on the &RQVWUDLQW icon.

8 (3) Create a radius dimension on each arc.

8 (3) Select the top circular edge and circle

arc as indicated. Using mouse button 3,

access the contextual menu and select the

&RQFHQWULFLW\ option.

8 (4) Repeat the same operation between the

lower circular edge and circle arc.



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.

8 (1) 'RXEOH&OLFN on the top radius

dimension, to set it to PP.

8 (2) 'RXEOH&OLFN on the lower radius

dimension.

8 (3) In the &RQVWUDLQW(GLWLRQ dialog box,

place the cursor in the radius value field.

Using mouse button 3, access the

contextual menu and select the (GLW

IRUPXOD option.



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.

8 (1) Select the top radius dimension, and 2.

to confirm in the )RUPXOD(GLWRU and

&RQVWUDLQW(GLWLRQ dialog boxes.

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8 (1) Create the 2 distance dimensions

between the 9 vertical axis and the 2

profile vertical lines, as indicated.

8 (2) Repeat the formula creation between

these 2 dimensions.

8 (3) Set the leading dimension of this relation

to PP.




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u You are now going to make the Pocket Feature,

using the profile you just created.

8 (1) Select the 3RFNHW icon

8 (2) Set the depth to PP in the 3RFNHW

'HILQLWLRQ dialog box.

8

(3) Select2.

to confirm.



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u You are going to create a through-hole, where

the piston axis will take place.

8(1) Select the +ROH icon.

8 (2) Select the indicated circular face.

8 (3) Selecting the indicated arrow button in

the +ROH'HILQLWLRQ dialog box, choose the

8SWRODVW hole option. Set the hole radius

toPP

. Select2.

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Drill a Hole Feature


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u You are now going to create rounding fillets.

8 (1) Select the 4 indicated edges using the

keyboard &WUO key.

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8 (2) Select the (GJH)LOOHW icon.

8 (3) Set the radius value to PP in the

(GJHILOOHW'HILQLWLRQ dialog box.


Add rounding fillets


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8 (1) Select the pocket bottom face.

8 (2) Select the (GJH)LOOHW icon.

8 (3) Set the radius value to PP in the

(GJHILOOHW'HILQLWLRQ dialog box.




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8 (1) Repeat the same operation on the 2

indicated edges (5DGLXVPP).

8 (2) Repeat the same operation on the 2

other indicated edges (5DGLXVPP).

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8 (1) Select WKH LQGLFDWHGVPDOOF\OLQGULFDO

IDFHV, pressing the keyboard CTRL key,

and repeat the Fillets creation operation

(5DGLXVPP).

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u At any time you can modify the Part graphic

properties.

8(1) Place the cursor on the 3DUW%RG\ linein the Features Editor.

8 (2) Using mouse button 3, access the

contextual menu and choose the

3URSHUWLHV option.

8

(3,4) In the3URSHUWLHV

dialog box

selectthe *UDSKLF option and choose a new fill

Modify the Part colour

catia piston detailed steps

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