Added: 2 years ago
From: mrpete222
Views: 21,080
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  • there's always another way to do a job The way he's got it set up is a good way to do it. Sure you could use a four jaw on the Comm end dial it in as close as possible and turn from there Either way works NICE VIDEO Pete Thank you

  • I would also like to see a lesson on undercutting the mica spacers on a commutator, maybe the operation of a growler tester as well (boy we have become a very demanding audience ! lol ). I can't begin to tell you how much I have learned and successfully applied from watching your videos. Thanks you for unselfishly sharing you awesome set of talents. It sounds like we need to thank Jan from Cody Wyoming as well !

  • I noticed that your Clausing lathe makes the same racket as mine at work when the motor is disengaged....I wish there was a way to fix it without taking the clutch assembly apart.

  • What exactly is "undercutting" the micah? I've never heard that term before...

  • Could you chuck it from the other end closest to the commutator? Or use a fixed steady, don't have a brass jawed chuck. Every year I need to replace the starter motor in one or more of our quad bikes with a reconditioned one. Being able to change the brushes myself would save me big $.

  • @DairyNZ Yes, both ways would work. Also, try holding a brass bushing of the appropriate size in a regular jacobs tail stock chuck. This would support it.

  • My Metal-Shop Teachers name was "Pete Pederson" that just ironic ! -Rob

  • Thanks for taking time to make your videos. Very helpful. Worked on 9N starter today. Will retry with your suggested cutter angles.

  • I work for Siemens repair shop and best way to turn commutator is using clean varsol..it is a very good cutting agent .just blow dry and good to go.. This is used on all voltage armatures including 600 volts.

  • copper is annoying to turn! I was boring and threading copper and copper pipe for some plumbing and it comes off very messy. got any tips because i have 20 more pieces to do!

  • Yes--copper is bad. No magic answer. Machinist book calls for these angles on bit. Refer to my video on lathe bits where I discuss angles. front clearance 7 degrees, side 7, back rake 10, & side rake 25. Cutting speed 75 - 150 fpm. Radius on tool tip of 1/32".

  • Thanks!

  • Thanks - I always wondered how this was done.

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