Open the Catia V5 application. The assembly workbench is opened it is default. Close the assembly workbench and Go to START--->MECHANICAL DESIGN---->PART DESIGN, Now enter the part name what you want and click the enable hybrid design checkbox and ok.
Select YZ plane in the specification tree and then choose sketch tool from the sketcher toolbar.
Draw as shown in fig by using circle and line tool. Remove the unwanted lines and constraint the drawing.
Click exit workbench, choose plan tool, select plan type as normal to curve. Select sketch1 from specification tree, then select the the end point of the sketch1 and click ok.
Now click the new plane and click sketch tool.
Choose circle tool and draw two circles as shown in fig and constraint this.
Choose rib tool, rib definition dialog box is open. Select profile as sketch2, centre of curve is sketch1, then enter 16mm in the thickness1 as shown in fig and click ok.
Select face as shown in fig and click sketch tool. Draw as shown in fig and constraint this.
Choose pad tool from sketch based feature.pad definition dialog box is open. Enter 25mm in the length span and click ok.
Choose hole tool/button, enter 20.5 mm in the diameter, 35mm in the depth. and click ok.
Choose circle pattern. Circle definition dialog box is open. Select parameter as Enter 8 in the instance as shown in fig. and select face as shown in fig., then click ok.
Select face as shown in fig and click sketch tool. Draw as shown in fig and constraint this.
Choose pad tool from sketch based feature.pad definition dialog box is open. Enter 25mm in the length span and click ok.
Choose hole tool/button, enter 20.5 mm in the diameter, 35mm in the depth. and click ok.
Choose circle pattern. Circle definition dialog box is open. Select parameter as Enter 8 in the instance as shown in fig. and select face as shown in fig., then click ok.
Choose plan tool. Plane definition dialog box is open. Select plan type as offset from plane, choose reference as plane.1, enter offset value 215mm and click ok.
Select new plane from specification tree. Choose circle tool, draw as shown in fig and constraint this.
Click exit workbench, choose pad tool, enter type as up to next and click ok.
Select face as shown in fig. choose circle tool, draw as shown in fig and constraint this.
Click exit workbench, choose pocket tool. Pocket definition dialog box is open. Select type as up to next and click ok.
Select face as shown in fig and click sketch tool. Choose circle tool; draw as shown in fig and constraint this.
Click exit workbench, choose pocket tool. Pocket definition dialog box is open. Enter 28mm in the depth and click ok.
Select face as shown in fig and click sketch tool. Choose circle tool; draw as shown in fig and constraint this.
Click exit workbench, choose pocket tool. Pocket definition dialog box is open. Enter 28mm in the depth and click ok.
Select face as shown in fig and click sketch tool. Choose circle tool; draw as shown in fig and constraint this.
Click exit workbench, choose pocket tool. Pocket definition dialog box is open. Enter 28mm in the depth and click ok.
The final model is shown in fig
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