[Mi...] Posted April 3, 2023 Share Posted April 3, 2023 How do you handle profile to a single datum. I get prints all of the time with a call out of profile to a single datum and Calypso tells me " Evaluation of characteristic not possible". Right now I have been adding datums to further restrict the callout and it calculates but I dont think I should have to add to the reference frame to get profile. Any ideas thanks in advance Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/ Share on other sites More sharing options...
[Mi...] Posted April 3, 2023 Author Share Posted April 3, 2023 I do not have curve or freeform have been using general surface to collect points. running a Contura select with vast XT Gold Head version 6.8.24 Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36062 Share on other sites More sharing options...
[Ma...] Posted April 3, 2023 Share Posted April 3, 2023 Depends on kind of datum. Usually you just fill up same feature to all datum fileds. Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36064 Share on other sites More sharing options...
[Mi...] Posted April 4, 2023 Author Share Posted April 4, 2023 thanks for the reply Martin The datum is a plane and the profile is all around a slot rising from the plane. I will give that a try filling datum fields with all the same datum. thanks for the idea. Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36066 Share on other sites More sharing options...
[Mi...] Posted April 4, 2023 Author Share Posted April 4, 2023 That worked for me. cannot believe it was something so simple thanks Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36068 Share on other sites More sharing options...
[Ma...] Posted April 4, 2023 Share Posted April 4, 2023 Please sign in to view this quote. I was using that until i found, that using freeform bestfit was giving better results. I had a part, where i had to report surface profile without datum - somehow i could not use profile without alignment, so i used cylinder instead - it was giving way worse results. Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36070 Share on other sites More sharing options...
[Ri...] Posted April 4, 2023 Share Posted April 4, 2023 Please sign in to view this quote. Yeah - it really just depends. You need to check the Default Printout to see if it performed a Best Fit or not. Sometimes it just defaults back to the Base Alignment or does what it wants to do. Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36072 Share on other sites More sharing options...
[Ri...] Posted April 5, 2023 Share Posted April 5, 2023 Please sign in to view this quote. Profile with no Datum = Form Only. In the case of a Plane, reporting Flatness and Form yields identical result. Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36074 Share on other sites More sharing options...
[Ri...] Posted April 5, 2023 Share Posted April 5, 2023 Please sign in to view this quote. Unless it is a closed loop, then the size is taken into account. Link to comment https://qualityforum.zeiss.com/topic/8230-profile-problems/#findComment-36076 Share on other sites More sharing options...
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