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Thread: How Do I Make My Own Variable Frequency Drive?

  1. #16
    Join Date
    Oct 2007
    Location
    Grand Rapids, MI
    Posts
    806

    A Price

    Well, a new from the manufacturer Yaskawa v1000 series 5 HP VFD was just quoted to me at $600.00. With the 33% drop in power that happens, revealed to us by Brian W., this drive would be rated just fine. But that's quite a chunk of change. I will have to see what else is out there.

    Hutch

  2. #17

    Post Matt,

    I sent you some information about the $$$ on this paticular VFD - Yaskawa ~ Considerably less than what you were quated-It pays to know someone in the industry - I have had mine for 3 years with absolutly nothing but enjoyment and no problems what so ever.
    Brian

  3. #18

    Post Matt,

    I sent you some additional information about retrofitting your rollestone Headstock bearings~ good news! After looking at the headstock (blown up) It's a perfect candidate for pillow block bearings and it will not change the style of the headstock , but it is definitely going to improve the performance! you won't need any thrust bearings as well.
    Brian

  4. #19
    Join Date
    May 2006
    Location
    Prairieville, Louisiana
    Posts
    578

    Well . . .

    Quote Originally Posted by Matt Hutchinson View Post
    I don't know much about this stuff. I don't have a rotary phase converter, or a static one for that matter, but I want to buy a more powerful motor for my lathe. Of course, it is a 3 phase motor, and I was hoping to be able to go from a step pulley system to a variable speed drive. Anybody know how to do this for the least amount of money? Thanks.

    Hutch
    Well I would say a Masters in Electrical Engineering would be a good start . . . .
    Support the "CREEK" . . .

  5. #20
    Join Date
    Mar 2003
    Location
    Monroe, MI
    Posts
    11,896
    Yeah, I can tell you from experience that a BSEE doesn't help much. At least I had a very small amount of on-the-job experience with VFDs--mostly controlling them though.


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