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引用次数: 0
摘要
保证过程能力目前意味着保证生产的产品将符合公司或客户的要求。本研究针对某汽车产品生产型企业的法兰轴加工能力的统计控制进行了研究。通过控制图对法兰轴过程进行评估，特别是通过平均值和范围(x ā， R)的控制图。结果表明，根据平均值和范围图，我们可以说车削过程是在统计控制之下的。同时，我们完成了过程能力的reguest，其中能力过程的指标Cpk1和Cpk2都高于1.33点的定值。通过直方图验证测量值的正态性。得到Cpk1 = 1.645 a Cpk = 1.52。因此，我们可以认为这个过程是有能力的。
The Process Capability Study by the Flange Shaft Production
Abstract Ensuring the process capability currently means the warranty, that produced products will be in accordance with requirements - from company´s side or from customer´s side. This study focuses on the statistical control of flange shaft process capability by serial production in company focused on products for automotive. The flange shaft process is evaluated by control charts, specifically by control chart for average and range (x̄, R). As the results showed, based on diagram for average and range we are able to say that the turning process is under the statistical control. Also, we had finished the reguest for capability of process, where the indexes of capability process Cpk1 and Cpk2 are higher than the determined value on 1.33 point. The normality of the measured values was verified by histogram. Obtained values are: Cpk1 = 1.645 a Cpk = 1.52. Therefore, we can consider the process as capable.
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