[Be...] Posted December 11, 2023 Share Posted December 11, 2023 Having trouble setting up an RPS alignment on a casting. The drawing has 6 datum points. The first four are on a cylinder to control spatial, the fifth controls rotation of the cylinder (planar) and the sixth controls translation. Is it possible to use a 321 alignment in this instance? Or only freeform? Link to comment Share on other sites More sharing options...
[Ma...] Posted December 11, 2023 Share Posted December 11, 2023 If you have more than 3-2-1 points then use FF - Calypso won't allow you to use more points on 3-2-1 Link to comment Share on other sites More sharing options...
[Be...] Posted December 11, 2023 Author Share Posted December 11, 2023 Please sign in to view this quote. In this instance, what is the difference between using FF vs 3D Best Fit? Link to comment Share on other sites More sharing options...
[Ma...] Posted December 11, 2023 Share Posted December 11, 2023 I think it works more with model - mainly used on more complex parts. Don't forget loops Link to comment Share on other sites More sharing options...
[Ni...] Posted December 13, 2023 Share Posted December 13, 2023 Please sign in to view this quote. Is it possible to see the print or the model of the part? Link to comment Share on other sites More sharing options...
[Da...] Posted December 13, 2023 Share Posted December 13, 2023 Please sign in to view this quote. I vaguely remember that the difference between 3D-Bestfit and RPS is that RPS devides the point deviations into components (for each degree of freedom) and 3D-Bestfit always tries to fit the points in all axes at the same time. Link to comment Share on other sites More sharing options...
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