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Messages - Bobo

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General Mach Discussion / DXF Import Not to Scale
« on: March 31, 2006, 10:18:24 AM »
I just finished getting the X and Y axis running on my homebuilt Plasma table. I installed a pencil for a spindle for testing. I had the Cycle Jog set to 1.0000 and Jog Mode to Step and checked the motor tuning by jogging one full step and measuring the distance which was 1 inch, measured with a digital caliper within thousands. I then exported a 4 inch diameter circle from Unigraphics in DXF and imported it into Mach 2. It drew a very nice circle but it was about 1.5 inches in diameter.

The load DXF window in Mach 2 shows the max and min X and Ys to be exactly 4 inches but when I generate the gcode and look in the tool path screen in Mach2 is shows it to be about 1.5. It was mentions in another forum that it looks like inches in converted to centimeters.

Am I doing anything wrong?

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