N
Hello Everybody
,
I have to introduce a method in the company for attribute MSA. I have read a lot about the different methods like:
- Bowker Method (VDA 5)
- Kappa Method (MSA 3th)
- Analytik Method (MSA 3th)
- signal detection (MSA 3th und VDA 5)
Did anyone of you really use one of the method for showing that all the attribute Gauges that are in use are OK.
For example: I take 50 parts from the produktion because I wannt to make the Kappa-test for the attribute gauge that is in use to check the parts. I started to check each of the part three times with the gauge my result was that each of the part ist good.
The (problem) ist that the production capability ist not like in MSA 3th edition ist wirtten Pp=0,5 the capability ist Pp>1,33.
So I can?t show if the gauge is good or not because I don?t have the bad parts or the parts in the uncertainty range that I need for the test. How did you deal with this problem?
My Opinion is that such tests cost a lot of time/money but dosn?t really help to improve the quality. A lot of people maybe just do the tests because they have to do them not because they thing it will help to improve the quality.
Sorry for my bad english I am from a "non speaking english" country. Thanks in advance for your answers.
,I have to introduce a method in the company for attribute MSA. I have read a lot about the different methods like:
- Bowker Method (VDA 5)
- Kappa Method (MSA 3th)
- Analytik Method (MSA 3th)
- signal detection (MSA 3th und VDA 5)
Did anyone of you really use one of the method for showing that all the attribute Gauges that are in use are OK.
For example: I take 50 parts from the produktion because I wannt to make the Kappa-test for the attribute gauge that is in use to check the parts. I started to check each of the part three times with the gauge my result was that each of the part ist good.
The (problem) ist that the production capability ist not like in MSA 3th edition ist wirtten Pp=0,5 the capability ist Pp>1,33.

So I can?t show if the gauge is good or not because I don?t have the bad parts or the parts in the uncertainty range that I need for the test. How did you deal with this problem?
My Opinion is that such tests cost a lot of time/money but dosn?t really help to improve the quality. A lot of people maybe just do the tests because they have to do them not because they thing it will help to improve the quality.
Sorry for my bad english I am from a "non speaking english" country. Thanks in advance for your answers.