butcha
off to a rocking start
Member since January 2016
Posts: 21
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Post by butcha on Apr 19, 2019 1:59:05 GMT -5
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jm
having dreams about rocks
Member since October 2015
Posts: 56
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Post by jm on Apr 19, 2019 15:09:58 GMT -5
Based on my somewhat limited experience, those motors are probably good enough for doing small spheres. I built myself a 3 head sphere machine using cordless drills that seems to work just fine. The motors in the drills seem to be a bit less beefy than the ones you are looking at. So far I've made spheres up to 4" in my machine without any problems (I'd make bigger ones, but it's hard cutting bigger preforms on a 10" saw). The motors definitely get warm when running for hours, but I've made several dozen spheres so far and they seem to be holding up ok. Good luck with your project.
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Post by pauls on Apr 19, 2019 16:53:02 GMT -5
That is a pretty small motor, 14Watts is about 1/30th of a horsepower. The gearing will give you extra torque but I don't know if it will be sufficient for the job. I guess give it a go.
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NRG
fully equipped rock polisher
Member since February 2018
Posts: 1,630
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Post by NRG on May 5, 2019 0:14:18 GMT -5
That is a pretty small motor, 14Watts is about 1/30th of a horsepower. The gearing will give you extra torque but I don't know if it will be sufficient for the job. I guess give it a go. 1/20 hp can make 6" spheres. So, 1/30 will be fine for 2" balls. Don't forget, it's "times 3".
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