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Type: Posts; User: TCanndee

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  1. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    Hello. I finally got some AC bearings in and replaced the x axis bearings first. I now have well below .0005” backlash. Quite a difference from the .004 I was getting with the deep groove bearings my...
  2. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    CNCJoseph

    Thank you for your help. I don't have a small bearing puller at the moment. they are pressed into place. The housing is 25mm thick and the bearings are 9mm thick so there is a spacer....
  3. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    just verified that my kit uses deep groove bearings. Not sure if I can just replace these with AC bearings or not. Does anyone have any insight?
  4. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    I spent some time working on the y axis travel and ended up with 8.5”. Had to cut out the slot in the base about 2”. Working on getting my spacer behind the head now. Had to order new bolts. The...
  5. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    Dave,

    I have heard great things about your kits. I did try to find your kits when I started my conversion but was unable to find where to purchase. Do you still sell these kits for the PM-25MV? ...
  6. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    I am seeing about .002" in backlash. Y axis is .004 but I think I have a loose ballnut mount.

    I believe that you will get pretty close to the 200 mm you want on the y axis. My double ballnut...
  7. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    The best solution I have found is a head spacer between the head and the z axis slide with the dovetail. I went with 2.5". I am also working on expanding the y axis travel an inch or so to the...
  8. Re: Adventures in Converting my Precision Mathews Milling Machine to CNC

    This looks like the motor I was looking at. I’ll respond to your other posts as soon as I get back to a computer. Doing this on my phone is frustrating at best.
  9. I went through several option trying to control...

    I went through several option trying to control the stock motor with acorn or upgrade the spindle motor. The Chinese one from automationtech is garbage. Leeson makes a metric 1.5hp d80 face motor...
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