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Edmonton- Small lathe/milling work; Advice, insight, recommendation?
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<blockquote data-quote="John Conroy" data-source="post: 43767" data-attributes="member: 56"><p>I could machine that armature shaft for you. There are a few things that I would need to know. I would want the sun gear in hand for measuring. How much power does the motor have and what does the planetary gear set drive? Which element of the gear set is the output? You mentioned 10,000 rpm. Is that motor rpm or the speed of the output component? Since the planetary sun gear is the input, the output is going to be driven at a reduction or an overdrive depending on wheter the planetary pinion carrier or the planetary ring gear is the output. Either way, I would think that the sun gear should be a press fit onto the shaft. Is the motor variable speed? Will there be shock loads on the sun gear or will it be ramped up and down in speed gradually?</p><p></p><p>To achieve the best accuracy it would be nice if the small diameter end could be center drilled. Would a small drilled centering hole in the end of that shaft have any negative effect?</p><p></p><p>How soon do you need this done. My shop is full of disassembled motorcycles right now and it will be a week or so until I can take on a machining project.</p></blockquote><p></p>
[QUOTE="John Conroy, post: 43767, member: 56"] I could machine that armature shaft for you. There are a few things that I would need to know. I would want the sun gear in hand for measuring. How much power does the motor have and what does the planetary gear set drive? Which element of the gear set is the output? You mentioned 10,000 rpm. Is that motor rpm or the speed of the output component? Since the planetary sun gear is the input, the output is going to be driven at a reduction or an overdrive depending on wheter the planetary pinion carrier or the planetary ring gear is the output. Either way, I would think that the sun gear should be a press fit onto the shaft. Is the motor variable speed? Will there be shock loads on the sun gear or will it be ramped up and down in speed gradually? To achieve the best accuracy it would be nice if the small diameter end could be center drilled. Would a small drilled centering hole in the end of that shaft have any negative effect? How soon do you need this done. My shop is full of disassembled motorcycles right now and it will be a week or so until I can take on a machining project. [/QUOTE]
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Edmonton- Small lathe/milling work; Advice, insight, recommendation?
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