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G-Code, CAD, and CAM discussions / Fusion 360 gcode has wrong Z axis height

« on: December 01, 2019, 01:04:05 PM »

Hey everybody, I've been struggling trying to use posted gcode from Fusion 360 on a Mach 3 mill. It seem that occasionally I'll do a project that will work fine, probably 1 out of 50, The problem I'm having is that when I start to run the gcode in Mach 3 the Z axis will go up to a safe height and stop running. I figured it was the G28 that was causing this so I deleted the G28 in post. But when I run the gcode now the Z axis will raise up the come down but will be .25" above 0. It seem the the gcode will go properly from here but at the wrong Z height. Is there a setting I'm missing in Mach 3? I would appreciat any help I can get,It's very frustrating!

Bill