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Kvalita a kontrola
Mar 21, 2018

Čtyři základní kategorie nákladů, kvality jsou popsány v následující:

1, prevence---náklady na plánování, zavádění a udržování systému jakosti, který zajistí shodu s požadavky na kvalitu na ekonomické úrovni. Je například prevence nákladů školení v používání statistického řízení procesů.

2, posouzení---náklady vzniklé při určování stupně shodu s požadavky na kvalitu. Inspekce je například odhad nákladů.

3, vnitřní selhání---náklady vzniklé při řízení, součásti a materiály nesplní požadavky před převést vlastnictví k zákazníkovi kvalitní. Příkladem vnitřních nákladů je šrot.

4, externí selhání---náklady vzniklé produkty nevyhověl požadavkům na jakost po převodu vlastnictví k zákazníkovi. Příklad vnějších nákladů je záruční nároky.

Přestože úroveň kontroly kvality je určena do značné míry statistické výpočty a teorie pravděpodobnosti, je velmi důležité, aby postupy shromažďování dat, na kterých závisí tyto postupy vhodné a přesné. Statistický postup je bezcenné, pokud dost chybné údaje a jako obráběcí procesy, shromažďování údajů kontrola sama o sobě je proces s praktické meze správností, přesností, rozlišení a opakovatelnosti.

Všechny procesy kontroly nebo měření mohou být definovány z hlediska jejich přesnosti a opakovatelnosti, stejně jako výrobní proces je vyhodnocena pro přesnost a repeatablity. Lze provádět kontrolované experimenty a statistické zhodnocení výsledků lze použít k určení výkonu metody kontroly ve vztahu k části mají být kontrolovány. Vhodnost jeden nebo druhý metodu lze hodnotit na základě směrodatné odchylky a úrovně spolehlivosti, které platí pro každý přístup použitý v daném inspekce situaci.     (konec)

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        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