Base Specifications

Base (Critical Points):

Part #	Component	Material Used	Mfg. Process	Qty.	Production Rate	Manufacturing Cost $ / Piece
3	Base	ABS Grey Plastic	Injection Molding	1	8 at a time	$ 0.300

Base: This part is made from GRAY ABS plastic by an injection molding process. The plastic injection machine used can make 8 parts at a time. This is the bottom part of the mouse and where the electronic components are housed.

Critical Assembly Points:

2 Snap points for the Scroll Base: The Scroll Base is attached to the base at 2 separate points that serve as bushings. It is critical that during assembly that neither one of the fragile snap points breaks off and that the shaft is able to rotate freely once assembled while at the same time stay in its location without coming loose.

Geometric Specifications:

Hole Diameter:

Upper Specification Limit (USL): 0.095"

Lower Specification Limit (LSL): 0.0926"

Opening:

Upper Specification Limit (USL): 0.052"

Lower Specification Limit (LSL): 0.049"

Additional Quality Issues

The following production issues are associated with non-conforming base:

Short shot,
Poor weld line,
Sink spots,
Mold flashing,
Warpage.

The following production issues are non-conformities on the base:

Bubbles,
Burn spot,
Surface imperfections,
Black streaking,
Part sticking in the mold.

Click Here To Go Back To The Inspection Station.

Click Here To Go Back To The Bill Of Materials.