[ChrisAttebery]

I burned up a couple treadmill motors after I completed my conversion. After the second one I bought a 1100W DC motor commonly used on the PM25 mill and 11x26 lathes. I've been using that motor for 4 years without any issues. Most of the time I run it at full RPM (4500) and push the MRR to around 1 cu in/minute in 6061.

[lcvette]

I burned up a couple treadmill motors after I completed my conversion. After the second one I bought a 1100W DC motor commonly used on the PM25 mill and 11x26 lathes. I've been using that motor for 4 years without any issues. Most of the time I run it at full RPM (4500) and push the MRR to around 1 cu in/minute in 6061.

That may be the only motor I never tried on my G0704..lol. What is your limiting factor for MRR being set at 1in³ per minute? I run a 2hp general purpose 3ph AC motor and below is my safe no issue cut recipe for day in and day out milling without tool pullout.. I can push it a bit harder with supervision, but if I'm working on other items while it's cutting I use this recipe and it's a non issue to let cut on its own.



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