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Messages - derd83

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1
I tried that, no luck... I have discovered through much tinkering that the steps are being lost when raising the gantry. When lowering it, it's pretty much spot on. Maybe the gantry is too heavy for the motor?

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Greetings all,

I'm having trouble with my homebuilt CNC. It can do 2.5D fine, but when it comes to 3D stuff it all goes wrong. I've been testing out the z-axis, and it seems to be losing steps. Strange thing is, on a run of 50 cycles of Z0-Z50-Z0 it is about 19mm low every time. I have run setup to change the steps per, checked the couplings, halved the acceleration, changed kernel speed from 35k to 25k, tried running the cycle at 100mm/min and 800mm/min, and it is still out by about 19mm EVERY. SINGLE. TIME. I'm confused, if it was simply losing steps surely the likelihood of it being reliably out of whack is minimal? ???

Any suggestions?

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General Mach Discussion / Re: g-code won't run
« on: March 09, 2014, 01:01:54 PM »
got it, thanks!

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General Mach Discussion / Re: g-code won't run
« on: March 09, 2014, 11:59:15 AM »
'radius to end of arc differs from radius to start. Block = G3 Y232.4269 I0.0 J88.0'

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General Mach Discussion / g-code won't run
« on: March 09, 2014, 11:45:07 AM »
Hi all,

I'm struggling to get this g-code to run on Mach3 and I can't for the life of me see what's wrong with it. When I load it up, the shape doesn't appear in the view window. When I attempt to run it, Mach skips to the first G3 line and then stops the cycle. Any ideas?

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