Injection Molded Box
Aesthetics
ABS Plastic, rounded outside and inside corners of the tub.
Safety
Fillet all protruding corners, rounded edges
Manufacturing
Plans for Each Part
Base
The base will first be injection molded with 10º draft on ouside. Hole in the
side will be a shutoff in the mold with 5º draft.
The cover will be injection molded
Presumed Process Capabilities
Process Min Tolerances Geometric Restrictions
Injection +/- .1 mm over 1 min. cavity draft
Molding 100 mm .5 min. core draft
+/-.05 mm on 2.3 mm wall
small features
ribs intersect at 60% max
Minimum Assembly Clearances
Fasteners:
McMaster ¼ in 20 fastener, 93190A542
McMaster ¼ 20 nut, 91845A029
Parts Min Clearances
Cover and Base vs. Screws .05 mm
Calculations