[Ja...] Posted April 17, 2020 Share Posted April 17, 2020 In each DRF of a multiple single segment Position callout, need the primary datum of each DRF match? I understand that they must in a composite Position, but what about single segments? Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/ Share on other sites More sharing options...
[SH...] Posted April 17, 2020 Share Posted April 17, 2020 Please sign in to view this quote. In my knowledge no, multiple segment are used for refinement of location and orientation.it is allowed to use different datum reference frame in different segment, but I think it is more expensive.... Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88214 Share on other sites More sharing options...
[An...] Posted April 18, 2020 Share Posted April 18, 2020 See attached.Contribution_18_04_2020.pdf Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88216 Share on other sites More sharing options...
[An...] Posted April 20, 2020 Share Posted April 20, 2020 Never really understood the meaning of PLTZF .Contribution_20_04_2020_2.pdf Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88218 Share on other sites More sharing options...
[Ja...] Posted April 20, 2020 Author Share Posted April 20, 2020 Please sign in to view this quote. Andreas, Thanks for taking the time to respond. I don't think that you understand the question that I am asking. I'm not trying to understand the differences between or the nuances of composite/single segment Position callouts. I was just curious whether the primary datums had to match when using multiple single segments and if anybody had something from 14.5 to back up their answer. It seems to not say so but every example has it that way. Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88220 Share on other sites More sharing options...
[Br...] Posted April 20, 2020 Share Posted April 20, 2020 Please sign in to view this quote. No they are separate tolerances. It can be necessary when you have multiple DRF's. Here's an example from Y14.5-2009 Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88222 Share on other sites More sharing options...
[Ja...] Posted April 20, 2020 Author Share Posted April 20, 2020 Please sign in to view this quote. Thanks Brett, That is what I was thinking, but I had stopped searching once I hit simultaneous requirements. It looks like my answer was a couple of pages down. Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88224 Share on other sites More sharing options...
[An...] Posted April 20, 2020 Share Posted April 20, 2020 Please sign in to view this quote. You are right! Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88226 Share on other sites More sharing options...
[An...] Posted April 20, 2020 Share Posted April 20, 2020 Amazing! See attached.Contribution_22_04_2020_2.pdf Link to comment https://qualityforum.zeiss.com/topic/15984-multiple-single-segment-position-drf/#findComment-88228 Share on other sites More sharing options...
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