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Type: Posts; User: BattyZ

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  1. Replies
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    Re: My Fadal 4020 Kflop Retrofit

    Drassk/Mmurray70:

    If you guys add any extra info on how you went about tuning the servos, I'd be all ears. Some options for other servo drives are on their way(to me) but would also like to be...
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    Re: My Fadal 4020 Kflop Retrofit

    Thanks for the quick response Tom!

    Motor: GM4050
    660 in/oz Cur-A:12.8 (Assuming this is max current)
    Ohms: .6 Ind: 4.4 MH
    RPM:2400

    Those tests you laid out would be a proper way to get a...
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    Re: My Fadal 4020 Kflop Retrofit

    Well, I have been running with the stock CNC88 controller since that first post of mine on this thread. I get along but the baud rate is killing me on thread milling and surfacing. I have just had a...
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    Re: My Fadal 4020 Kflop Retrofit

    I learned how to use search. Go me. Here is the encoder used on the Draask/Mcmurray 4020: Teledyne Gurley Encoder With 10 Pin Connector 8225-6000-dqsd
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    Re: My Fadal 4020 Kflop Retrofit

    Really awesome work overall guys!

    Just scooped up a 1992 Fadal 4020 myself. X and Y axis were rebuilt 2 years ago I am told. Replaced the spindle belts and it seems to all function as it should....
  6. Re: Hitachi seiki vm40 spindle wont go over 3000rpm

    Do you have a winding's selector? Sounds like you are not getting into the H windings? Also, check the drive parameters? Did this happen all of a sudden?
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