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Showing results for tags 'Im WAY off'.
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I've never used the 3 point boss/bore routine before, but here's what I got. I need to probe the O.D. of a casting, however it has a round flange with 6 bosses (for bolt holes) sticking out of the profile at 60 deg intervals. (30, 90, 150, 210l, 270 and 330 deg) I thought I'd try the renishaw 3 poing boss routine. It seemed to work ok, but when I started doing a test cut, I could see it was way off. I indicated the od best I could with an indicator, it was right on in Y, and -.090 in X. Then I tried probing just the X with the X boss routine, and I got roughly the same number as with an indicator. Here's the routine I used; G00 G90 G56 X0 Y0 G43 H40 Z1. G01 Z0.9 F50. G65 P9832 G65 P9810 Z0.3 F30. G65 P9823 A0. B120. C240. D4. Z-0.3 S3. G65 P9810 Z2. F60. G65 P9833 Now, if I change the angles to A60. B180. C300. then Y is still right but X is off .090 the other way. Am I missing something? It almost seems like a bogus calculation in the software, but that seems hard to believe. Any thoughts? TIA
