Week 9 - Project - A pillar Design with Master Section

NOTE: BOTH CAT PART AND PPT IS IN THE ZIPPED FILE

3D CAD

• 3D Model of A Piller with attachment feature

A PILLER WITH DOGHOUSE

CLASS A SURFACE

DETAILED TREE STRUCTURE

SKETCH ANALYSIS

• The geometry tab of sketch solving status for each drawing.

TOOLING AXIS

• The Primary Tooling Axis was obtained with the help of the given information in the master section.
• The outlines of dog house were used to create lines.
• These lines were then bisected to give 2 lines corresponding to the mutually perpendicular data available.
• The lines hence obtained were further bisected to obtain the main tooling axis

• The Side Core/Lifter Axis was also obtained from the master section.
• The points on the master section were used to create a plane.
• The dog house was created perpendicular this plane.
• Therefore, the normal to the plane was used as the tooling axis.

DRAFT ANALYSIS

• Draft analysis was carried out individually for the entire body as well the dog house.
• All surfaces with draft angle greater than and equal to 3 degrees were highlighted in green.
• The analysis for the primary axis were satisfactory except for some regions.
• The issue was in the C surface which can easily be resolved by providing more draft angle than provided in the master section.

• The interior of the dog house was drafted for 0.5 degrees for the main surfaces.
• In order to comply with the master section some regions were provided a minimum draft of 0.1 degrees.
• Overall the draft angle lies between 0.1 – 0.5 degrees

DESIGN WITH MASTER SECTION

The master section was used to find the following :

• Tooling Axis
• Location of Class B Surface
• Profile of C surface
• Thickness of component
• Type of attachment feature
• Dimensions and location of attachment feature.