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If you were to report a true position for a hole in 2 axes using another hole as a datum, shouldn't the calculated deviation be the same if you align in the same 2 axes to the datum hole and report true position without using a datum?
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Jonathan S
pcdmis 2009
G&L CORDAX RS-150 DCC
B&S global 15-30-10
DEA Delta Slant 30-100-15 -
If your alignment meets the requirements of the feature control frame (fcf)then you should not have to use a datum in your output, however if your fcf allows MMC or LMC to be applied to the datum feature then you would need to use it in your output.sigpic Eye Yam Sofa King We Todd It.
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A couple of questions about true position call outs for datums.
1) I have a 4 Way "B" Datum hole. This hole resides on the primary...02-07-2019, 01:51 PM -
Hello everyone, it's my first message on this forum and I'm Italian so sorry for writing mistakes!
I use dmis pc portable v.2020 R2 with romer 8325-7...02-22-2021, 04:51 AM -
The drawing shows True position of all slots with no Datum. Is it possible to find with out Datum? I created other True position, but I have not...02-28-2021, 02:47 PM
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hello all. i am having an issue dimensioning true position. the dimension calls for true position .010" max material condition to datum -h-/ datum...12-18-2012, 02:32 PM
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I was reading thru the ASME Y14.5-2009 handbook and came across something I haven't really paid much attention to before. In Section 7.4.2, it says...03-09-2020, 01:07 PM
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