Regarding sample for initial process capability study on product characteristics of variability,we should meet below items:
- Samples must be drawed from continuous production.
- Samples qty. must be not less than 100.
- Subgroop qty. must be not less than 25.
4.Any nonconformances to above items,pls contact your customer for solution.
I hope above suggestions can help you out.
2013-05-03 05:54