All entries for Wednesday 28 October 2009

October 28, 2009

Statistical Process Control :Control Charts

Hi Everyone!!Yesterday one of the team came up about Statistical Process Control.Its a very effective technique which was mastered by Japanese companies.SPC is a methodology for charting the process & quickly determining when a process is out of control. This is particularly if a speacial cause is present because something unusual us occuring in the process & may continue unless action is taken.


Some of the sources of Variability:

  • Variability in machine operation
  • Variability in tool dimension
  • Variability in tool setup
  • Variability in materials
  • Variability from operator control
  • Variability in the environment
  • Variability of other sources

Many organizations have used this technique to improve this technique and the result was significant improvement in quality.






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