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LEAD Lathe

Discussion in 'CNC Lathes' started by Giarc, Jun 14, 2020.

LEAD Lathe

LEAD Lathe

Discussion in 'CNC Lathes' started by Giarc, Jun 14, 2020.

I have been toying with the idea of making a 3 axis rotary CNC machine for awhile. I wanted to make it with off the shelf OpenBuilds parts so any one can replicate it and I felt the LEAD High Z Mod would be a good starting point.

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Blacksmith74 New
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May 17, 2024

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Giarc said: ↑

I use one Y set of wires because the rotary axis only has one stepper motor. You need to unplug the other Y or that side will try moving when Y code is sent to the motors. I would set it back to 3 axis. But that is what I am familiar with. I have the older 3 axis BlackBox 4X on mine because it is only a 3 axis machine.

I would home your machine, then jog to the exact centerline where your rotary axis is. Then I would right down that location. This way you can always get back to that spot whenever you change back and forth. You may also have to put some sort of locking mechanism on the Y gantry so it can not move while the machine is in rotary mode. Then change your steps per mm to whatever you calculate it to be. I do not know what your gear ration is. I just sent the command G0 Y360 to see if it went 360 degrees after i calculated the 26.667 steps per degree. It did. I then sent a much longer G0 Y1440 to see if it still was accurate after 4 rotations. It was.
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Thank you so much for that, much appreciated

#121 Blacksmith74, Jun 19, 2024

Giarc likes this.

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