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2019-04-15 - An easy way to reduce your costs
Most real processes in practice are no longer normally distributed in long-term analyses. ISO 22514-2 shows how to classify changes in the location and variation of a process. This standard also describes the resulting distribution and calculation methods for Cp and Cpk or Pp and Ppk. To simplify matters, the normal distribution serves as an approach to teach the basics of process capability.
Our Q-QUIZ is published once a month. You can find the answer to all questions in the PDF file below.
This quiz was originally published in the August issue 2018 of the German magazine QZ Qualität und Zuverlässigkeit (http://www.qz-online.de/).
2018-05-02 - SPC is a central tool in industrial quality assurance, but what is behind it?
2017-11-13 - Considering that many company guidelines have already been adapted to VDA 5 and ISO 22514-7, there are still some open questions...
2017-10-23 - "Capable", "stable" and "in control" muddy the waters
2017-08-04 - Have a look at some aspects that still leave room for interpretation.
2015-11-03 - About similarities and differences
2014-03-10 - What are the origins of measurement system analysis and how did it develop?
2013-04-08 - What are the meaning and purpose of capability indices?
2012-11-12 - Do limits make sense for qualitative characteristics?
2012-10-29 - Issues with one-sided specification limits in process capability analysis