Additional details about statistical process control:
- SPC can be applied to any process where data can be collected, including manufacturing processes, service processes, and administrative processes.
- SPC involves setting limits or targets for the process and monitoring the process to ensure that it stays within these limits. This helps to ensure that the process is stable and producing consistent results.
- SPC can be used to identify both common causes of variation (caused by the inherent nature of the process) and special causes of variation (caused by external factors such as equipment malfunction or operator error). By identifying and correcting special causes, manufacturers can reduce the overall variability of the process.
- SPC requires a commitment to continuous improvement, as it involves ongoing data collection and analysis to identify and correct problems.
- Some of the tools commonly used in SPC include control charts, which plot the data collected from a process over time and show the expected limits of the process; cause-and-effect diagrams, which help to identify the root causes of problems; and process capability indices, which compare the performance of a process to the specifications or requirements for the product being produced.
Difference between SPC and trend analysis.