torch not touching off part?!?!?!

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peakcnc
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torch not touching off part?!?!?!

Post by peakcnc »

new problem today. was cutting 12 gage and 1/4" material fine last few days. Switched to 1/2" and wasn't getting best finish, slowed table down and improved a bit, think my lead screw or worm nut is worn a bit so will look into replacing those. My big issue now is the torch isn't coming down and touching part, z axis says its at 0 and torch lights up, moves up 1/16" and ask for reset, hit reset and it moves up another 1/16". I cheated and brought torch to just above material and hit start and it created enough arc to start but then rubs on material. I've reset everything, turned off and on a few times with no success. any thoughts would be great.
SRdesign
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Re: torch not touching off part?!?!?!

Post by SRdesign »

Are you using an ohmic touch off? Sometimes when you are cutting thicker material you might get a tiny piece of dross inside the tip of the shield, that will be just enough for your shield to come in contact with your nozzle. This will make the software believe you are touching the material.
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