Week 9 - Attachment Feature Creation (Ribs & Screw Boss) - Challenge 1

CHALLENGE 27 – RIBS & SCREW BOSSES

Aim: Thicken the Drill Handle, add ribs and screw bosses according to the design rules and verify with draft analysis.

COMPLETED SWITCH BEZEL COMPONENT

We were provided a drill handle surface as below.

Fig 1a – Drill Handle Class A Surface

Rib Design Rule is as below:

Fig 1b – Rib Design Rule

Screw Boss Design Rule is as below:

Fig 1c – Screw Boss Design Rule

We then created a Tooling Axis by bisecting two Sketch lines, as below.

Fig 2a – PARTIAL TOOLING AXIS SKETCH

Fig 2b – PARTIAL TOOLING AXIS SKETCH

Fig 2c – TOOLING AXIS (Bisecting the Sketch Lines)

Thickened Part

After creating the Tooling Axis, we then thickened the Drill Handle based on the completed Bezel Class A, B and C surfaces. We next added ribs, and finally screw bosses according the respective design rules.

Feature Tree

Fig 3 – Feature Tree

VIEWS & DRAFT ANALYSIS

Below are four views of the final component (Iso, Front, Side, Top), using 0.5-degree draft for the screw bosses and ribs (with a cutoff of 0.45-degrees in the Draft Analysis Tool):

Iso

Fig 4a - Iso

Front

Fig 4b - Front

Side

Fig 4c - Side

Top

Fig 4d – Top

The Draft Analysis as shown above generally validated the design for manufacturability.

Conclusion: We were able to successfully model the thickened Drill Handle with Ribs and Screw Bosses and generally verified the component for Draft Analysis.