Need to know how to calibrate inch and metric gage blocks correctly.

B

brossbach

#1
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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Super Moderator
#2
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 [email protected]

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R

Ryan Wilde

#3
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
Quality Control Sales & Services
 
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