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processcapability(cp,cpk,ppk)资料.ppt,Two Types of Processes All processes have: Natural (random) variability = due to common causes The Two Causes of Variation Common Causes: Causes that are implemented in the process due to the design of the process, a
Hi Dr. Bill, Thanks for the excellent explanation of Ppk vs Cpk. I understood it. I just have a question on the control charts shown. I believe that the LCL and UCL are calculated based on +/- (A2 * R-bar). My thinking was that the value for A2 * R-bar should be close to ...
用手机看文档 下载 开通VIP Process Capability (Cp / Cpk / Pp / Ppk) Global Training Material Creator : Global Mechanics Process Manager Function : Mechanics Approver : Gary Bradley / Global Process Team Document ID : DMT00018-EN Version / Status : / Approved Location : Notes : \\…\ NMP ...