Belt size and slipping?

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donie

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Hi, I am looking into upgrading the motor in my lathe and am wondering how much bigger I could put in before the belt slips?

It's a 15mm wide 6 rib poly v belt if that matters? Does anyone have a similar size belt and what size motor do you have?

Currently the lathe has a 1200w DC motor with a control box which is slowly dying hence upgrade. With this setup it never slips but I can stall it with heavier cuts.

I am looking at a more conventional 3 phase motor run in 220v delta with a vfd to control it.

I'm just wondering how to find how much torque it can take before slipping?

Any help appreciated, Thanks!
 
You will easily be able to put 2 hp through that belt... a A section single v will take 3 hp and a B section 5-6hp
your biggest problem is getting the pulley to fit your new motor probably
 
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