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  Measurement, Test and Calibration
  Need to know how to calibrate inch and metric gage blocks correctly.

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Author Topic:   Need to know how to calibrate inch and metric gage blocks correctly.
brossbach
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posted 19 February 2001 10:37 AM           Edit/Delete Message   Reply w/Quote
Need to perform a very accurate calibration on gage blocks. Inches and Metric. Is there anybody out there who knows how to do it correctly.

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Jerry Eldred
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posted 19 February 2001 10:52 AM     Click Here to See the Profile for Jerry Eldred   Click Here to Email Jerry Eldred     Edit/Delete Message   Reply w/Quote
If you can ask some more specific details, I can probably get you a good answer. I am not the mechanical guru, but can pass this along to him. Additionally, I have access to some good procedures. If you'd prefer, email me directly for a more detailed answer at jerry.eldred@motorola.com

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Ryan Wilde
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posted 19 February 2001 08:14 PM     Click Here to See the Profile for Ryan Wilde   Click Here to Email Ryan Wilde     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by brossbach:
Need to perform a very accurate calibration on gage blocks. Inches and Metric. Is there anybody out there who knows how to do it correctly.


In order to keep your uncertainty somewhere in a working range, you will need a specialized comparator (gage block comparator), or a helium-neon laser. Neither are cheap.

If you are in the USA, the standards that apply are ANSI/ASME B89.1.2M and ANSI/ASME B89.1.9M. The older standard is GGG-G-15C, which is available for FREE at ASSIST online http://astimage.daps.dla.mil/quicksearch/ . Type "15" in the Document Number field, then scroll to the document.

Hope that helps a little!


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Ryan Wilde, Technical Manager
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