将监测数据录入Minitab 16软件,运用八项检验原则可以得出油炸过程过氧化值(POV)的均值-极差(Xbar-R)控制图(图1),Xbar-R控制图用于监控过程的均值和变异,其汇总报告能够直观地反映过程的稳定性。
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检具需在安装产品后用三坐标进行重复性、再现性研究,重复性再现性R&R须符合QS9000/MSA测量系统分析(均值和极差法)第三版标准。
The checking fixture must be measured on CMM after installing IP ASM. part. The R&R% should conform to the standard of QS9000/MSA v3.0(the average and range method).
本文结合实际介绍一种SPC控制图方法,即均值— 移动极差控制图法,以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value—ambulation difference control diagram method, to control phosphating parameters.
本文结合实际介绍一种SPC控制图方法,即均值—移动极差控制图法,以控制磷化参数。
This text combines practice to introduce a kind of SPC control diagram method, that is mean value-ambulation difference control diagram method, to control phosphating parameters.
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