Week 10 - Challenge 1- Attachment Feature Creation (Ribs & Screw Boss)

Report -

In this challenge i have created close body of a component named as door handle. And also craete a rib and screw boss in it, With the help of given class a surface.

steps -

1. Create tooling axis - Crete a geometrical set and named it as a tooling axis.

First i have create a Tooling axis. For a molding operation first we need tooling direction for core and cavity movement with minumum draft angle. This axis helps to do that.

For that i have create a point on a curve that is in a center of a class A surface.Than create a line that passing through point 1, and give a direction as a Y component. The line is a tooling axis for a bumper.

2. Creation of B surface - Create a geometrical set and named it as a class b surface.

Fisrt i did a offset operation in class a surface by 3 mm, because i have to create a bumper of thickness 3 mm.

Than by using multiple extarct,join to remove unwanted surface, than extrapolate the surface with boundary creation to trim the unwanted surfaces. After that i have a surface that i want for class b surface.

Do a fiilet operation as required by check the dimenssions.

Than respectively trim all the surface ,the result is a b surface. Save it as a class b surface geometrical set.

3. Creation of C Surface - create a geometrical set name it as class c surface.

To create a c surface we can create a boundary or either we can give a multiple extract definition to the boundary of th class a surface. To do a sweep operation. As a result there is a multiple surfaces in c surface extrapolet both sides of both surface than trim that surfaces result is a final C surace.

4. Join class a surface and class c surface - Before final trim i have joined class a surface and class c surface togethere.

5. Final trim - Before final trim check for boundary if there are any extra boundary that i don't want so i have to first remove that boundary. To remove that boundary first i have do join operation than curve smooth.

With result of join of class a surface and class c surface do a final trim with class b surface. The result is a final trim (door handle).

6. Publications - publish tooling axis,class a surfase,class b surface, class c surface, and final trim.

7. Draft analysis - Do a draft analysis, by set the compass at tooling axis. Set a angle the draft angle.

8. Rib Design - To create a by using a part workbench with positioned sketch, create a line and do a pad operation, with thick command. I have created two ribs in this component as mentioned in a quetion. Than give a draft angle by selecting the surfaces by 0.5 degree. Keep all the dimenssions as followed by the design rules.Give a fillet value of 0.3mm.

9. Screw boss - To create a screw boss first i have create a circle in a part workbench in position where that i want to create screw boss. And do a pad operation with dimenssions mentioned in a design rules. And than give a draft angle. Give a fillet value of 0.2mm.