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FAQs / G03

« on: May 04, 2015, 02:19:36 PM »

I'm having a problem with the G03 command. Straight line moves In X, Y or Z are to scale but when I try a G03, the scale seems to grow. I simplified the code to produce a circle but I still get a much bigger circle and with the wrong center.

Here is the code:

N010 G17 G20 G40 G50 90
N020 G01 X0 Y0 Z.1 F5
N040 G01 Z-.0
N050 G01 X.5
N060 G03 X.5 Y0 I-.5 J0
N080 G01 X0
N120 G01 X0 Y0 Z1

This produces a circle with a diameter of about2", with the center at about X-.5 Y0.

Anybody have any ideas what could be wrong?