hi all,
i went and cut my first multi pass project today on my homebuilt and had a odd result.
i have a movable table y axis and a stationary gantry x axis..
anyways i noticed the piece, when cut out, had perfect up and down edges on the sides, but on the side for the y axis
one side was stepped out, maybe 1/32 every cut, and the opposite was undercut approx the same distance.. the mach 3 software worked great (except i couldnt figure out how to use tool offset in lazycam)
could this be a example of slop ? backlash ? it semed too even to be random step loss. btw this is with allthread and 60 in torq motors running at 5 ipm..
this is a tweak as you go project,and i'm already getting bigger motors.
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thanks ,
dan