Analysis of Quality Control Connecting Rod with Statistical Process Control (SPC) Method in PT.XYZ

Quality control of a product is very important to do that levels approaching zero defect generated. PT. XYZ produce connecting rod with a data defect during January 2015 - March 2015 as much as 7.47 % of the total production of 26 070 pcs. The statistical methods used for data processing using methods of Statistical Process Control (SPC) or Control Chart, Process Capability and Fishbone Diagram. The decline in the number of visible defect after the repair to 3.65 % of the total production of 27053 pcs and the value of Process Capability (CP) rose from 0.26 to 1.27.