1. #1
    hi, I have buy a new proxxon MF70, and I want find all parts for convert it...

    by first steep - I want replace the motor and spindle original with a motor brushless and spindle ER-11 and your bearings
    by second steep - extend table Y
    by third steep - convert to cnc with nema 23, supports for them, controller and drivers.

    for steep 1 - by check on web info, I have found a discussion about the replacement of only spindle with a new ER-11 spindle diameter 10 and 12 mm but on motor original. Also I have a dubt

    I not found a real conversion with more details for buy a right spindle and motor together, my dubt: what motor I will buy ? what size power watt (300w up to 400w) ? What motor better that fit in head proxxon without make a big modify ? what type and right spindle ER-11 (C10-ER11A-100L or C12-11A-100L to mount on motor original proxxon) ?
    C10 = 10mm diameter C12 = 12mm.

    Someone have a link or right istructions how to make this mod with all parts details ?

  2. #2

  3. #3
    Fred's Avatar
    Lives in Reigate, Albania. Last Activity: 3 Days Ago Has been a member for 2-3 years. Has a total post count of 34. Received thanks 3 times, giving thanks to others 1 times.
    I used to have an MF70 and documented extending the Y axis here:

    Why change the spindle? I doubt the tiny mill could handle much more power.

  4. #4
    Quote Originally Posted by Fred View Post
    Why change the spindle? I doubt the tiny mill could handle much more power.
    I case : I have think if leaves a original motor ,I will change only the spindle same diameter 10mm but have a ER11 chuck for drill up to 7mm.
    II case, if I will replacement motor original with a bushless power up to 400-500Watt, I need increase the diameter spindle because the new bushless motor have more power..

  5. #5
    the diameter of shank er11 is same the diameter bearing proxxon mf70 , I have also a new motor brushless 600watt power.

  6. #6
    Old post but...can you give some details about motor, adapters, spindle etc? I have a burned MF70 motor and it's time to move to a brushless one...

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