The Tolerance of Profile produces strange value with two Datums.

huangyhg · 发表于 2009-11-24 10:47:31

Look at the measures FCFPROF4 and FCFPROF7 (PDF file).
PC-DMIS it allows to insert two Datums. I have used two Datums (circles A and B). Is this procedure correct?

The profile with two datums is getting a big deviation caused by "the secondary datum feature is approximately parallel to the primary datum feature , and create an unreliable alignment with a big rotation angle".

huangyhg · 发表于 2009-11-24 10:48:08

"Customized DRF" seems to solve this issue.

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The Tolerance of Profile produces strange value with two Datums.

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