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Главная > Выставка > Содержание
Качество и осмотр
Mar 21, 2018

Четыре основные категории затрат на качество описаны ниже:

1, Предотвращение ---- расходы, связанные с планированием, внедрением и поддержанием системы качества, которая обеспечит соответствие требованиям качества на экономичных уровнях. Примером затрат на профилактику является обучение использованию статистического контроля процесса.

2, Оценка --- затраты, связанные с определением степени соответствия требованиям качества. Примером оценки является проверка.

3, Внутренний отказ --- затраты, возникающие, когда продукты, компоненты и материалы не соответствуют требованиям к качеству до передачи права собственности клиенту. Примером внутренней стоимости отказа является скрап.

4, Внешний отказ --- расходы, понесенные, когда продукты не отвечают требованиям качества после передачи права собственности клиенту. Примером внешней стоимости отказа является гарантийное требование.

Хотя уровень контроля качества во многом определяется теорией вероятностей и статистическими расчетами, очень важно, чтобы процессы сбора данных, от которых эти процедуры зависят, были подходящими и точными. Наилучшая статистическая процедура бесполезна, если подавать неисправные данные и, подобно процессам обработки, сбор контрольных данных сам по себе является процессом с практическими пределами точности, точности, разрешающей способности и повторяемости.

Все процессы контроля и / или измерения могут быть определены с точки зрения их точности и повторяемости, точно так же, как обрабатывается производственный процесс для точности и повторяемости. Контролируемые эксперименты могут быть выполнены, и статистические измерения результатов могут быть сделаны для определения эффективности метода контроля относительно проверяемых деталей. Пригодность того или иного метода можно судить на основе стандартных отклонений и уровней достоверности, которые применяются к каждому подходу, используемому в данной инспекционной ситуации. (конец)

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