Week 9 - Attachment Feature Creation - Challenge 2

AIM: To create a Screw Boss and Dog House for the centre console coin holder and to perform a draft analysis considering the design rules.

SOFTWARE USED: CATIA v5.

COMMAND: Sketch> Sliding> Pad> Extract> Offset> Sweep> Trim> Boolean> Draft analysis.

Screw Boss features are commonly found in injection molding designs. They are used to aid in the assembly of molded parts by providing a channel for a screw. You will want a thick enough wall so that the screw can engage with the plastic without splitting the post.

PROCEDURE:

SCREW BOSS ⇒

• Sketch> Dia2.5 inner, Dia8.2 outter> Pad> Draft> Ok.

• Copy,Paste> Sketch> Pad> Draft> Untrim> Ok.

• Translate> X=140, Y=20> Ok.

PROCEDURE:

DOG HOUSE⇒

• Z direction tooling axis slider> Sketch> Extude/Sweep> Extract> Base> Offset> Trim> Edge fillet> Ok.

• Offset> Dog house> Base surface> Trim> Ok.

• Split in part body> Inside direction> Ok.

• Translate> Screw boss> in Y direction 20mm> Draft analysis> Ok.

RESULT: With the given conditions, the Screw Boss and Dog House and draft analysis are performed on a coin holder in CATIA v5 software.