SPC(1)(PPT 23页)
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资料简介：
Statistical Process Control
Variability exists in everything - people, machines and nature
Purpose - to be sure that processes are performing in an acceptable manner
monitor over time
forecast if will still be well in future
determine factors that make it out of control
Statistical Process Control
Design quality checks into the process - eliminate need for inspection
build better product during design
make product withstand variation - Taguchi Method
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