Transcription of Measurement Process Capability – Trends and …
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Measurement Process Capability – Trends and …
1 IntroductionSeveral years can be observed attempts to stan-dardise evaluation of the processes (whether pro-duction or Measurement ) Capability . Such attemptshave not been successful yet. Many factors mustbe taken into account processes heterogeneous-ness, changing requirements, wide variety of usedtechnological means. Therefore big production en-terprises (General Motors, Volkswagen, Siemens,Bosch, etc.) have established their shop methodol-ogies for the evaluation of the processes capabili-ty. Capability of Measurement processes is searchedsimilarly to that of production processes most Capability means ability of the processto meet technological or other requirements, tofulfill demands put on Process Capability is determinedby total variation caused by random reasons influ-encing the Process .
C UU pk = −−∆ KE 3σ (3) where UKE is the check standard uncertainty, ∆=−XX0. 2.3 Process capability index C pm Practical experiences showed that demand for a low percentage of check standard measurements
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