Knowledge zone

The MSR includes an analysis of potential failures that may occur under normal operating conditions and their respective impact on the system. An essential goal of the analysis is to determine if the system or the end user will detect the failure.

AQL, DQL, Deming and FMEA – how to confirm the quality of any processes

It has been believed that AQL, i.e. the borderline quality level (usually misunderstood in companies), which is used for quality acceptance of batches of products, exhausts the subject of random checks using the alternative method.

FMEA. PFMEA – determination of the D index according to AIAG & VDA ed. 1

The assessment of the probability of detecting a defect or cause has always been an important element of FMEA analysis. In the new AIAG & VDA manual, however, significant changes have been made to the way D values ​​are determined - they are discusse

Reverse PFMEA – Basic Principles

Of course, carrying out PFMEA does not end work on the development of the process. An obligation is, for example, to conduct risk analysis reviews. The article discusses the most important elements of the little-known RPFMEA method.

SPC – the control limit is not tolerance!

One of the most common errors in SPC is confusing control limits (UCL/LCL) with specification limits (USL/LSL). Control limits (process stability limits) are determined on the basis of special formulas, depending on the type of control card

The new PQ-FMEA is now available!

A new version of the PQ-FMEA program has already been released. It contains enhancements to prepare FMEA analysis in accordance with the AIAG & VDA standard ed. 1.

Data analyst’s kit

Do you analyze data? Do you wonder which test to choose? We have prepared a short „crib” for you.

Measurements and quality management – ARM method results analysis