mechanical part design

8/10/2019 Mechanical Part Design

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02.2001 1

Design a Mechanical Part

In this hands-on scenario you will design the

following mechanical part, starting from scratch.

Getting Started

Spacer_Config part



02.2001 2


First, you are going to create a new part

(1) Select in the File menu the ” New ” option.

(2) Select PART .

(3) Select OK to confirm.

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Getting Started



02.2001 3


You are now going to choose the plane on which

you will draw your first sketch.

(1) Select the YZ plane.

(2) Select the Sketcher icon.

The YZ plane is parallel to the screen

and a grid is displayed.

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Create a Pad Feature

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02.2001 4


You are now going to sketch a profile that you will

use later to create a pad feature

(1) Select the Profile icon.

(2) Select the origin point

(3) Select about 3 grid squares away, vertically,from the origin center.

(4) Select about 1grid square in 45 degres

(5) Select about 3 grid squares horizontally.

(6) Select about 4 grid squares vertically

(7) Select the origin point to finish the profile.

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02.2001 5


You are now going to dimension the profile.

(1) Select the Auto Constraint icon.

The Auto Constraint box is displayed

(2) Select OK to confirm


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02.2001 6


You are now going to dimension the profile.

(1) Select the oblique dimension(2) Press the Delete Key to erase it

(3) Select the vertical line

(4) Select the Constraint icon

(5) Drag the dimension and select in thebackground to position it.

(6) Double click and change dimension to

40mm.


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Delete key

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02.2001 7


You are now going to leave the Sketcher, and

create a Pad feature.

(1) Select the Exit icon.

(2) Select the Pad icon.

The Pad D e f i n i t i o n dialog box isdisplayed.

(3) Key in 20 mm as Pad length.

(4) Select OK to confirm.

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02.2001 8


Using the dynamic viewing tools

How to pan, zoom, rotate your part in 3D space

Center the display at a specific location…

Click the middle mouse button.

Pan…

Drag using the middle mouse button.

Rotate…

Press and hold down the middle mousebutton, then the left mouse button, and drag

(still holding both buttons down).

Zoom…

Press and hold down the middle mousebutton, then click the left mouse button and

drag (still holding the middle mouse button

down).

Icons are also available:



02.2001 9


you will now create a shell .

(1) Select the Shell icon

the Shell Definition box is displayed

(2) Key in 2.5 mm as inside thickness

(3) Select the two planar faces to remove


Create a shell

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02.2001 10


you will create an axis .

(1) Select the Sketcher icon

(2) Select the YZ plane

(3) Select the Axis icon

(4) Indicate the start point

(5) Indicate the end point to obtain a vertical axis

Create a shaft

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02.2001 11


you will create a line .

(1) Select the Line icon


(3) Indicate the end point to obtain a verticalline

Create a shaft

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02.2001 12


you will now create a dimension .

(1) With CTLR Key, select the Line and the Axis

(2) Select the Constrain t icon and click in the

background to position the dimension

(3) Double click on the dimension

The Constraint Definition box is displayed

(4) Key in 6 mm as value

(5) Select ok to confirm

Create a shaft

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02.2001 13


you will create a dimension .

(1) Select the axis and the edge with CTRL key

(2) Select the Constraint icon and click in the

background to position the dimension

(3) Double click on the dimension

The Constraint Definition box is displayed

(4) Key in 25 mm as value

(5) Select ok to confirm

Create a shaft

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02.2001 14


you will now create the shaft .

(1) Select the Exit icon

(2) Select the Shaft icon

The Shaft Definition box is displayed


Create a shaft

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02.2001 15


you will create the profle .

(1) Select the planar face


Create a pocket

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02.2001 16


you will define the pocket profile

(1) Select the Cut part by Sketch plane icon

(2) Select the Elongated Hole icon

Note: to open the sketch features you haveto select the small black arrow.


(4) Drag the dotted line to the end point, andselect to validate it.

(5) As soon as you move the mouse, you defineautomatically the hole shape, click to validate it’sdimension.

Create a pocket

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02.2001 17


you will define the dimensions

(1) Double click on the Constrain t icon

(2) select the H yellow axis

(3) Select the dotted line of the hole

(4) Double click on the dimension and key in

18 mm as value

Create a pocket

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02.2001 18


you will define the dimensions

(1) Select the edge and the start point.

(2) Double click on the dimension and key in5 mm as value.

(3) Select the circle, and create a 5 mm as

radius.

Create a pocket

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02.2001 19


you will now define a formula

(1) From screen lower toolbar, s elect theFormula icon

(2) Select the Radius dimension

(3) Select Add formula button

(4) Select the 5mm length dimension

(5) Select OK

Select OK again

Manage geometry

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02.2001 20


the Exit sketcher icon

(2) Select the Pocket icon

(3) Choose the Up to Last as Type


Create a pocket

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02.2001 21


(1) Select the Mirror icon



Create the symetrical part

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02.2001 22


(1) Select with CTRL Key the circular edge

(2) Select with CTRL Key the planar face

(3) Select with CTRL Key the Hole icon

The Hole Definition box is displayed

Create a threaded hole

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02.2001 23


(1) Define 20 mm as depth

(2) Choose a V-Bottom as bottom type

(3) Select the Thread definition tab

(4) Select Threaded option

(5) Choose a Metric Thin Pitch as Typewith the pop_up menu

(6) Choose M8 as Threaded Diameter withpop up menu


Create a threaded hole

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02.2001 24


Firstly, define fillets on the first pocket you created,

(1) With MB3 select the Define in Work Object by selecting the pocket.1 node in the

specification tree

(2) With CTRL Key select the 5 edges

(3) Select the Edge fillet icon

(3) Define 2 mm as radius


Dress up the part

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02.2001 25


you will copy the fillet

(1) Select the filet, and then hold the CTRLkey.

(2) Drag and drop it on the edge . Release

MB1 and CTRL key.

(3) Select witth MB3 the Define in Work

Object menu on the Hole node

Dress up the part

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02.2001 26


you will mirror the part

(1) Select the Mirror icon


The Mirror Definition box is displayed


Create symmetrical part

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02.2001 27


you will now create a chamfer on the edges

(1) Select the 2 edges icon with CTRL Key

Take care that the features are activatedintead of a mirror operation in the

specification tree

(2) Select the Chamfer icon

The Chamfer Definition box is displayed


The chamfer must be reordered

Create chamfer

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02.2001 28


you will reorder the chamfer

(1) With MB3 select the Chamfer.1 object nodein the specfication tree

(2) Choose the Re-order in the menu

The Feature Re-order box is displayed

(3) Select EdgeFillet.2 node in the specificationtree


Reorder operation

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02.2001 29


you will now create another chamfer

(1) Select the first hole edge and apply a

chamfer (1mm).

(2) Select the chamfer, and hold the CTRL

key.

(3) Drag and drop the chamfer on the otherhole . Release MB1and CTRL key.

Reorder operation

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02.2001 30


you will create a profile



(3) Select the Rectangle icon

(4) Define a rectangle sketch

Create slot

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02.2001 31


you will create the slot

(1) Create the horizontal dimension of therectangle as 3 mm

(2) Create a dimension between the V axis and a

rectangle side as 1.5 mm

(3) Select the Exit icon

(4) Select the Slot icon

(5) Select the edge


Create slot

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02.2001 32


Here you will apply Material Specifications to your

Part.

(1) In the screen lower toolbar, Select ApplyMaterial Icon .

(2) In the Library dialog box, select Metal

material type .

(3) Select Aluminium icon, then Drag and drop it

on any part face. Select OK to confirm.

The material properties are now included in

the part specifications.

(4) Select Apply Customized View Parameters

icon under the Shading with edges icon on thescreen lower toolbar to display the part material

texture.

Add a Material to the Part

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02.2001 33


Here you will create a design table using the part

parameters

(1) In the screen lower toolbar, Select

Design Table Icon .

(2) Key in SPACER as its name

(3) Select Create design table with

parameters option

(4) Select OK.

The parameters to insert box is

displayed

Create a part family

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02.2001 34


Here you will choose a 3D parameter to use in

the design table.

(1) Select in the specification tree the PAD.1

node All 3D parameters are dispayed

(2) Select the 40mm height parameter

(3) Select the Arrow to add this parameter

into the design table

(4) Select OK

Create a family

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02.2001 35


Now edit the design table

(1) Select OPEN

(2) Select Edit Table … buton

(3) Add two lines, and key in 45 and 50 as

values. Save your Exell document.

You can close Excel

Create a family

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02.2001 36


Here you will choose one configuration among

three.

(1) Select the third line in the panelconfiguration

(2) Select the Duplicate Data in CATIAmodel option

(3) Select OK

The designed table is added to thespecification tree

Create a family

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02.2001 37


You will save your familly part

(1) Select the Save as menu

(2) Key in SPACER as document name(3) Select Save

Create a family

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Congratulations ! You achieved your first CATIA V5

Part Design Project.

mechanical part design

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