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soosai
I have the 3 wire gauge set, to calibrate the parallel screw thread gauge. anyone suggest me, How can I calibrate the NPT taper thread plug gages.
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Thanks DCoE. Sounds like you're well into this end of calibration and in a lab yourself. I'm pretty new to the world of threads and gages. Our customers are pretty loose with their product requirements and MAYBE have 3-4 pieces returned per year. I am using a new calibration lab since they seem to have better capabilities than our last lab, but rejecting this gage which has never created any customer issues for us, seems overkill.
Can I use that to justify using this gage for product acceptance, even though the cert says "Fail"? I've been an auditor for years and can't see an auditor accepting that, but stranger things have happened in the ISO world. We run a pretty lean ship here, and replacing the gage because of this cert will be a hard sell to management.
Do you know of any other reason where we might be able to justify us to continue using this gage for product release?