(Process Capability Index)是通過一個简洁的数值,用来表示过程符合产品规格之能力,是六西格玛的主要工具之一。 这个数值也表达了工序在一定时间里,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,或者说它是工序保证质量的能力,是现代企业用于表示制程能力的指标。
过程能力指标(Process Capability Index)是通過一個简洁的数值,用来表示过程符合产品规格之能力,是六西格玛的主要工具之一。 这个数值也表达了工序在一定时间里,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,或者说它是工序保证质量的能力,是现代企业用于表示制程能力的指标。指标的数值可视为过程之潜在能...
The process-oriented multivariate capability index Recent literature has proposed multivariate capability indices, but does not suggest a method for measuring quality characteristics in a way that links pro... J E.,Foster,R R.,... - 《International Journal of Production Research》 被引量: 45发表...
CPK:Complex Process Capability index的缩写,是现代企业用于表示制程能力的指标。 制程能力是过程性能的允许最大变化范围与过程的正常偏差的比值。 制程能力研究在於确认这些特性符合规格的程度,以保证制程成品不符规格的不良率在要求的水准之上,作为制程持续改善的依据。 当我们的产品通过了GageR&R的测试之后,我们即可...
He, Z., Zhang Z., Li, B. and Lin, B. Improvement of economic inte- gration of design with process capability index. Total Qual. Manag. Bus. Excell. 20: 1255-1262, 2009.Improvement of economic integration of design with process capability index. Zhen He,Bingguang Li. Total Quality ...
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...
Struggling with process capability analysis? Analyze capability with this easy-to-use QI Macros add-in for Excel. Calculates Cp Cpk and Pp Ppk in seconds.
Process capability table to summarize all process capability charts in a workbook Binomial Capability Histogram Optional Target p Control Chart Select Out of Control Tests % Defective vs. Subgroup Size Chart PPM Defective Change the number of classes, the class width or the starting point on the hi...
Calculating the position of the data within the tolerance field is the task of the other process capability index. If Cp is the potential of the process, then Cpk is the exploitation of that potential. The mean value of the data against the upper/ lower tolerance limit at half of the inte...
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