Weird! Is it repeatable? Did the program use R or I,J? Just fishing? ;-)
Dave On 8/1/21 7:25 PM, John Dammeyer wrote:
The milling operation was set up to always be climb milling. Zero point for the center hole and the outside perimeter was the same. And yet it milled more away on the LH side. The piece was tightly clamped and did not move. The width of the perimeter on the RHS is correct with the outer diameter at 45mm and the inner hole at 32.5mm. ie. At the RHS it's 6.25mm wide and on the LHS it's 4mm so it's the milling of the outer that shifted. The inner circle is pretty well round. Not as good as a boring tool but still round. The inner hole was done after the outer perimeter. Very odd and I don't understand why. LinuxCNC and the motor drives did not throw up any faults. S1100 Feed was 307mm/min with 1/4" 2 flute cutter. Total depth was 3.2mm and depth per pass 0.9mm. WD-40 and compressed air. John _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
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