Solutions Operations management

The Bell Vader Company, which produces heavy-duty electrical motors, machines a part cal

Question: (15 points) The Bell Vader Company, which produces heavy-duty electrical motors, machines a part called an end cap. To meet competitive pressures, the company has begun to apply statistical process control to its processes. Because each motor produced by the company uses two end caps that could cost as much as $200 each, it is important that the process be brought under control. The data that was collected is shown below.

PART NAME (PRODUCT) End Cap							OPERATION (PROCESS) Bore							SPECIFICATION LIMITS 74.9374-78.9380
PART NUMBER 21819						GAGE BORE GAGE					UNIT OF MEASURE .0000					DATE 4/14/07
		4/11/07							4/12/07								4/13/07					4/14/07
MEASUREMENTS	1	75	77	76	76			70	73	77		75	76		70		81	79	74	76	80	75	80
	2	76	80	76	78			76	72	78		76	77		78		77	76	84	82	81	84	75
	3	77	79	82	70			77	86	79		79	81		75		78	78	79	74	75	78	75
	4	79	83	74	73			78	75	77		70	81		76		76	70	84	81	78	80	76
	5	75	80	75	76			74	74	75		75	75		80		80	70	75	75	76	74	68
AVERAGE		76.4	79.8	76.6	74.6			75	76.0	77.2		75	78		75.8		78.4	74.6	79.2	77.6	78	78.2	74.8