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General Mach Discussion / Accuracy in pocketing.
« on: March 16, 2010, 02:31:50 PM »
Greetings,
I am having a problem with the accuracy when milling pockets. I have re-adjusted my leadscrews and also checked the X andY travel with a dial indicator to compare with the displayed measurements in Mach3 and all compares well.
I have used the backlash mode on and off in Mach but the round pockets are still consistently smaller than the programmed size. i.e about .5 mm on 35 mm Dia. (They are perfectly round though) I have checked the tool settings and the settings are correct..
I generate the G-code using LazyCam.
Any help would be much appreciated.
I am having a problem with the accuracy when milling pockets. I have re-adjusted my leadscrews and also checked the X andY travel with a dial indicator to compare with the displayed measurements in Mach3 and all compares well.
I have used the backlash mode on and off in Mach but the round pockets are still consistently smaller than the programmed size. i.e about .5 mm on 35 mm Dia. (They are perfectly round though) I have checked the tool settings and the settings are correct..
I generate the G-code using LazyCam.
Any help would be much appreciated.