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Thread: Delta Unisaw replacement motor

  1. #16
    Ok...new to this site....how do I PM or email you

  2. #17
    Join Date
    Jun 2017
    Location
    West Michigan
    Posts
    27
    not sure - you may need to have more posts - can you provide an email? We are moving over the next months to west Michigan and will be going by in the next few weeks... I would like to send some pictures to ensure this is the correct motor and fits your needs.

  3. #18

  4. #19
    Join Date
    Jun 2017
    Location
    West Michigan
    Posts
    27
    Email sent

  5. #20
    Join Date
    Oct 2007
    Location
    Cache Valley, Utah
    Posts
    1,723
    Quote Originally Posted by Bill Dufour View Post
    I would get a 3HP VFD and run it with that. You will only develop 3 hp but that is more then enough. A 5hp VFD may cost more then a 3Hp single phase motor.
    Bil lD
    This. I ran a 3 phase 5 HP Delta 12/14 cabinet saw with 3HP VFD for many years with no problems. I only had one overcurrent trip, when ripping a thick microlam with a combo blade.

  6. #21
    Join Date
    May 2009
    Location
    houston tx
    Posts
    652
    If the other motor falls through on OWWM there is a bracket design you can build to adapt standard frame motors to a uni. I have one and it works just fine.

  7. #22
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
    Posts
    9,979
    The bracket I made uses no welding. It uses two pieces of big angle iron like 4 or 6 inch angle about 10 inches long and a flat metal plate big enough to fit the foot mount holes.
    The picture is from the internet. I think it is the same as the link catalog item. It is very similar to mine. I had to hack out some clearance on parts of the web that stick way from the motor.
    Bill D.

    https://www.renovoparts.com/43-802-m...-tilt-unisaws/
    Attached Images Attached Images
    Last edited by Bill Dufour; 01-08-2021 at 3:55 PM.

  8. #23
    Join Date
    Oct 2005
    Location
    Camas, Wa
    Posts
    3,856
    If you go with a standard frame motor and make a mount, make sure you get a motor with the right shaft size. I think the Uni has an oddball shaft of 3/4" vs 7/8" for a 3hp standard motor.

  9. #24
    Now I have a motor, the next thing is a switch. The previous motor was a 3 phase 5hp motor with a starter panel and a switch. I now have a single phase 3hp motor. Can I just buy a simple switch to run it, or is there a way to use my three phase switch and starter?

  10. #25
    Join Date
    May 2018
    Location
    Lancaster, Ohio
    Posts
    1,366
    Quote Originally Posted by Bill Scherf View Post
    Now I have a motor, the next thing is a switch. The previous motor was a 3 phase 5hp motor with a starter panel and a switch. I now have a single phase 3hp motor. Can I just buy a simple switch to run it, or is there a way to use my three phase switch and starter?
    should be able to use what you have post pictures and will try to help
    Ron

  11. #26
    Join Date
    Jun 2019
    Location
    Mid-Michigan
    Posts
    271
    Quote Originally Posted by Bill Scherf View Post
    Now I have a motor, the next thing is a switch. The previous motor was a 3 phase 5hp motor with a starter panel and a switch. I now have a single phase 3hp motor. Can I just buy a simple switch to run it, or is there a way to use my three phase switch and starter?
    It can be done but may require replacement of the heaters. Link
    AFAIK if your starter has a coil, it may not be able to be adapted.

    I don't recommend using a standard dual-pole switch as you need the starter to protect both you and the motor
    Last edited by Marc Fenneuff; 01-30-2021 at 11:08 AM.

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