Week 8 - Challenge 4 - Bumper

To make a model from the provided class-A surface,follow the procedure

FOR DRAFT ANALYSIS:
First we analysis the model and then choose dummy axis in x and y direction.
As we intersected to proceed we observed that the side walls are not given any draft. Hence we assume the axis normal to the base surface and parallel to side walls. This surely will create problems because a minimum draft has to be provided.
As class-A surface is made by other designer only he is authorized to make changes, so we look over this to complete the coin holder for practice.
Now we go to insert< analysis< draft analysis and follow usual procedure to do the analysis.
Align the compass and click on the surface and as expected the model is mostly in red color i.e. negative draft with respect to the axis.

FOR CLASS B :

We have divided the entire model into base, side walls, inside side walls and outer flange and worked on them one by one

Everywhere we follow same procedure i.e. extract, un-trim, extrapolate, trim and offset.
First base, then side walls. To avoid confusion, we trimmed both together and made them one. Also the fillet was given.

In this model, unlike the earlier models, we have used parallel tooling axis. Hence we cannot use ‘with draft direction’ option under
sweep.

Join class-A and class-C surfaces together,Then Trim class-B surface to them.

Go to the part design and close the feature