Quality Control and Statistical Process Control (SPC)
Introduction:- Statistical Process Control (SPC) is not new to the industry. In 1924, a man at Bell Laboratories developed the control chart and the concept that a process could be in statistical control. He eventually published a book titled “Statistical Method from the Viewpoint of Quality Control” (1939). The demand for products had forced them to look for a better and more efficient way to monitor product quality without compromising safety. SPC filled that need. It was then picked up by the Japanese manufacturing companies where it is still used today. Statistical Process Control (SPC):- SPC is a method of measuring and controlling quality by monitoring the manufacturing process. Quality data is collected in the form of product or process measurements or readings from various machines or instrumentation. The data is collected and used to evaluate, monitor, and control a process. SPC is an effective metho...