Scroll Base:

Scroll Base: This is a small plastic part to which the Scroll Shaft is attached. The Scroll Base attached to the base via 2 snap points. This part is made by an injection molding process from black PVC plastic at a rate of 16 pieces at a time. This part is placed into the Base by the second operator in the subassembly workstation.

Quality Issues

The scroll base contains three measurements that are critical quality characteristics and are measured and compared against specification limits.

Visual inspection is performed for each scroll base. The following issues result in a part being classified as non-conforming: short shot, poor weld line, sink spots, mold flashing, and warpage. The following issues are classified as a non-conformity: bubbles, burn spot, surface imperfections, black streaking, and part sticking in the mold.

IMPORTANT !!!The Scroll Base & The Scroll Shaft are made on the same injection molding machine simultaneously. The Scroll Shaft goes to the machine where the SCROLL WHEEL is made. The SCROLL SHAFT is placed in the machine and rubber SCROLL WHEEL is molded around it.

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