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Type: Posts; User: TDegenhart

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  1. Replies
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    12,726

    As far as the wiper cover, just weld or braze it...

    As far as the wiper cover, just weld or braze it and go one with life. The gib will function much better if it scraped in as well as the rest of the bearing surfaces.

    Tom
  2. Replies
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    I agree with the scissors approach and with with...

    I agree with the scissors approach and with with the X. Another item to consider is that the knurling tool and the work diameter have to match. The knurl pitch has to be an integral number of the...
  3. "Dynamic" is just a importer's name put on a...

    "Dynamic" is just a importer's name put on a generic Taiwanese or Chinese mill. This is a standard practice for a lot of companies to make a generic machine without maker's identification. An...
  4. Replies
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    I have seen that type of behavior many times in...

    I have seen that type of behavior many times in the GE high current lab, although not for 4 seconds. Unless the protective device fails, I would expect the clearing time to be limited to 5 cycles or...
  5. Don't forget that an idling motor is running at...

    Don't forget that an idling motor is running at very low power factor. The lower the pf, the less the watts. Limit is at 0 pf no watts.

    Tom
  6. I had a similar problem with my heavy 10. ...

    I had a similar problem with my heavy 10. Instead of redoing the babbit, I simply melted out the babbit and used large flat washers and let the clamp float. That way there is no stress on the TA. ...
  7. Sell the PP's and get a rotary. Tom

    Sell the PP's and get a rotary.

    Tom
  8. Replies
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    179

    Video of electric motor manufacture

    YouTube

    Tom
  9. When does it become more economical to have true...

    When does it become more economical to have true 3 phase brought in compared to the initial and maintenance costs of creating 3 phase?

    Tom
  10. I suspect what 9100 says about the coating is...

    I suspect what 9100 says about the coating is important simply because unless the unit is in a vacuum, the aluminum will tarnish quickly.

    Tom
  11. Replies
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    Why not? Cash hand scraped in a Madison grinder...

    Why not? Cash hand scraped in a Madison grinder nearly as big a couple of years ago.

    Tom
  12. Replies
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    A good offense is the best defense. Tom

    A good offense is the best defense.

    Tom
  13. Replies
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    Without knowing more about the motor or bushing,...

    Without knowing more about the motor or bushing, a lot of the small motors had bearings made from porous bronze for oil retention and were not simple round cylinders but rather spherical for self...
  14. Replies
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    454

    Under the circumstances, I would seriously think...

    Under the circumstances, I would seriously think about a VFD. They are quiet, true 3 phase and well within your power requirements particularly if you have 230 single phase. They offer other...
  15. Replies
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    Just try having the super truck out pull a 110...

    Just try having the super truck out pull a 110 year old 150 hp Case steam tractor.

    Tom
  16. Replies
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    Has the white metal die cast zinc or aluminum...

    Has the white metal die cast zinc or aluminum pulley, shown on the shaft of the motor, had the 'V' been trued? My experience with even the best of them is that they are not true, neither balanced or...
  17. Remote and unattended, is this correct? If so,...

    Remote and unattended, is this correct? If so, what good is a pony motor unless you plan on starting the RPC only and just let it run continuously.

    Tom
  18. Replies
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    Or if the OP doesn't want to mess with the...

    Or if the OP doesn't want to mess with the machine controls, mount a separate control panel.

    Tom
  19. I am a little out of my pond on this one, but...

    I am a little out of my pond on this one, but from a simplicity standpoint, it appears that the best is an inverter coupled to a step up transformer for the hydraulic motor.

    Tom
  20. Replies
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    A lot of small appliance motors back then were 2...

    A lot of small appliance motors back then were 2 wire only, no safety grounds.

    Tom
  21. Replies
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    1,889

    Yah, well..7014...try that with 6011. Tom

    Yah, well..7014...try that with 6011.


    Tom
  22. Replies
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    You need the contactor that John pointed out and...

    You need the contactor that John pointed out and is show in the reference diagram from rons post.

    Tom
  23. I would also suggest that the idler be connected...

    I would also suggest that the idler be connected through a resistor during startup to reset the magnetic field of the stator. There will be an amount of residual magnetism at startup that needs to...
  24. Don't forget the other part of this equation, you...

    Don't forget the other part of this equation, you need to have someone to buy what you make. Scout around for prospective clients before committing to this. These machines are not much fun to run,...
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    No, it escapes into space. Tom

    No, it escapes into space.

    Tom
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