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Optical Comparator Mylars (1351 read)
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Ken G
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1. Optical Comparator Mylars
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last updated at Mar 15, 2007 09:44 a.m. (1 times)
Does anyone know if there are any industry standards that deal with mylars, their creation, calibration and tolerance? (Used to verify profile, radii, and shapes of course.)
Ken Gentile
82 std.. (25yrs) 94 std..(13yrs) people still don't get it?
Date: Mar 15, 2007 on 07:31 a.m.
ASME-MAN
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2. Re:Optical Comparator Mylars
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Ken G,
In my experience the inspection material needs to be specified in detail for repeatablity. I do not believe that there are any national or international standards that cover grades of mylar used in inspection of profile of a line, because it is not a requirement of inspection profile of a line. The companies I have see that use mylar templates of true profile specifiy the mylar maker and thickness or product number as a means of getting consistency in there inspections.
Good luck.
Date: Apr 11, 2008 on 03:15 p.m.
Optical Comparator Mylars
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This archive of the original ETI message board is read only, so comments and/or replies to these threads cannot be posted. The archive will continue to be available online as a valuable GD&T resource. If you'd like to continue a discussion of any of these topics, create a new post on the board here.

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