Statistical Process Control (SPC)
Definition
A method of monitoring a manufacturing process in real time using control charts that distinguish normal process variation (common cause) from signals of an out-of-control process (special cause). SPC records become evidence of process state at the time of manufacture.
Related terms
- Conforming unit
- A unit that was manufactured in accordance with the approved design specification. A conforming unit may still be involved in an injury...
- In-process inspection
- Quality checks performed during production rather than only at final inspection. Dimensional checks, pull-tests, and visual inspection at critical process stages detect...
- ISO 9001
- The international standard for quality management systems published by the International Organization for Standardization. Certification means the organisation has documented and implemented...
- Manufacturing defect
- A deviation in a specific production unit from the manufacturer's approved design specification, occurring during manufacturing, assembly, or handling before sale. The...
- Race condition (software)
- A software defect in which the program's behaviour depends on the timing or sequence of events, such as two processes accessing shared...
Explained in
- Manufacturing Defect and Quality System FailureA method of monitoring a manufacturing process in real time using control charts that distinguish normal process variation (common cause) from signals of an ou...