SPC for any of the testing performed in a Metals Testing Laboratory...

B

Benjamin28

#1
Wanted to see if anyone on here works in a Metals Testing Laboratory and utilizes SPC for any of the testing performed.

What areas do you utilize SPC in?

What type of sampling plans do you use?

Is a zero defect policy utilized?


I'm asking out of curiousity to determine if our methods are comparable.
 
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N

noe vargas

#3
The only time I use SPC is when internal RR is being conducted and I use it on my OES, tensile tester, nitrogen tester and rockwell hardness tester. I utilize ARMI and collaborative testing for external so I don't need to use it there, they do all the math. I think SPC being implemented into your program would best be used if you're trying to note trends in your machine. For example, how weather and conditions may affect your machine. It is also a useful tool when you are determining the estimate of uncertainty of a machine. It will show over a period of time how precise your machine is. But, you must realize that if you're using this, that you will be saving standard deviations. You will not know whether your machine is accurate, you will only know the precision. Hope this helped.
 
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