V2EX process capability

Process Capability

Definition / 定义

过程能力:用于衡量一个生产或服务“过程”在稳定受控状态下,输出结果满足规格要求的能力。常用指标包括 Cp、Cpk(也可能见到 Pp、Ppk),用来比较过程波动与规格上下限的匹配程度。

Examples / 例句

Our process capability improved after we replaced the worn tool.
更换磨损的刀具后,我们的过程能力提高了。

To meet the customer’s tolerance, the team monitored variation and raised process capability (Cpk) through better calibration and preventive maintenance.
为满足客户公差要求,团队通过监控波动并改进校准与预防性维护来提升过程能力(Cpk)。

Pronunciation / 发音

/prss kepblti/

Etymology / 词源

这是一个质量工程与统计过程控制(SPC)领域的复合术语:process(过程)指一系列产生输出的步骤;capability(能力)指“能够达到某种要求的程度”。合起来强调:在过程稳定时,它“有多大把握”持续产出落在规格范围内的结果。

Related Words / 相关词

Literary Works / 作品例证

  • Introduction to Statistical Quality Control(Douglas C. Montgomery)
  • Juran’s Quality Handbook(Joseph M. Juran 等)
  • AIAG Statistical Process Control (SPC) Manual(汽车行业质量工具手册)
  • ISO 22514 Process capability and performance(过程能力与过程性能国际标准系列)
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