Cpk:A process capability index combining Cp and k (difference between the process mean and the specification mean) to determine whether the process will produce units within tolerance. Cpk is always less than or equal to Cp.一个将Cp和k(表示流程平均值与上下限区间平均值之间的差异)结合起来的流程...
什么是CP和CPK分析和总结.pdf,什么是 CP 和 CPK CP(或 Cpk) 是英文 Process Capability index 缩写,汉语译作工序能力指数,也有译作工艺能力指数 , 过程能力指数。 工序能力指数,是指工序在一定时间里,处于控制状态 (稳定状态 )下的实际加工能力。它是工序固有的能力,或
Avoid getting too fixated on any single statistic. If you have both a lower and upper specification limit for your process, Cp and Cpk each might “know” something about your process that the other one doesn’t. That “something” could be critical to fully understand how your ...
The formula for Cpk (process capability index) is: where μ is the mean or average of the process. Cp, CpkCalculator Difference between Cp and Cpk The main difference between Cp and Cpk is that Cp only considers the spread of the process data relative to the specification limits, while Cpk...
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