Week 8 - Challenge 4 - Bumper
AIM : To create the Bumper Design Plastic component through the given Class-A surface.
Objective
- To create a tooling direction.
- To perform draft analysis for given A-Surface and prepare the final close body.
- To design the Bumper plastic component by creating the B-Surface and C-Surface using the given Class-A surface.
- Take the Thickness of the component to be 3 mm.
Introduction :
The input of the product designer is in the form of the A-class surface. The job of the product designer is to create the B and C surfaces keeping all the aspects for the mold.
Class A Surface is
- Visible surface and aesthetic look.
- Surface with textures.
- Surfaces provided by customer(OEM).
- Don't have any features like(rib, snap, bosses, etc) on class A surface.
- Class A surface is made from scanned data with different software like alias etc.
- Surfaces which are having CURVATURE CONTINUITY IS CALLED class-A.
Class B surface is
- Invisible Surfaces.
- Surface mostly don't have textures.
- Surface needs to be created according to the class-A surface.
- Having all features(Rib,boss,snap etc) in B-side surface only.
- Surfaces which is having TANGENT CONTINUITY IS CALLED class-B.
Draft Analysis of Class A:

Class B Surface : Check the connectivity of the Class B Surface Ensure that there is no gap between the component, using join command. We can visually check it or by clicking boundary command. It has a boundaries outer. Therefore first check completed.After off setting from class A surface.

Combined class A,B,C surfaces:

Solid Body and its Draft Analysis:

