[Cl...] Posted May 12, 2021 Share Posted May 12, 2021 I've got a cylinder made from three 300 degree circle segments, and I'm evaluating it's perp to -B-. What's the proper filter setting for this? The red arrow is pointing to -B- Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/ Share on other sites More sharing options...
[Ch...] Posted May 12, 2021 Share Posted May 12, 2021 Gauss and Spline work almost identically for closed loops such as a circle or something. Gauss is not recommended for open ended loops, e.g. lines or curves. Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/#findComment-65434 Share on other sites More sharing options...
[Cl...] Posted May 12, 2021 Author Share Posted May 12, 2021 Please sign in to view this quote. So these being only 300 degrees and not "closed" I should use spline? What about the UPR vs Wavelength Lc settings? Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/#findComment-65436 Share on other sites More sharing options...
[Da...] Posted May 12, 2021 Share Posted May 12, 2021 Please sign in to view this quote. UPR is for features that you would apply roundness/cylindricity to, wavelength for features you would put flatness/straightness on. You want to use UPR, and use the cookbook values for filters/outliers. Maybe a lower UPR given the interrupted feature. Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/#findComment-65438 Share on other sites More sharing options...
[Ri...] Posted May 12, 2021 Share Posted May 12, 2021 Please sign in to view this quote. It also depends on the measurement strategy as well. You wouldn't want to apply a UPR filter to a Cylinder measurement with linear line scans. Helix paths also fall into this group as well. Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/#findComment-65440 Share on other sites More sharing options...
[Ri...] Posted May 12, 2021 Share Posted May 12, 2021 What is the surface finish and size? Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/#findComment-65442 Share on other sites More sharing options...
[Cl...] Posted May 12, 2021 Author Share Posted May 12, 2021 (MM) 5.027 Ø and .1012 Ra Link to comment https://qualityforum.zeiss.com/topic/12942-gauss-or-spline/#findComment-65444 Share on other sites More sharing options...
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