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| John Hill:
power feed by aardvark_akubra, on Flickr This is the project so far, the motor is from an old computer mag tape drive, rated for 48V but able to (slowly) move the table at 8V, it is a very nice motor. I am sure it will be well up to the task with a PWM power supply. The gearing is if anything just a little slow. I still need to work out a better clutch than that screwed ring and the worm is quite rough which I expect will wear the teeth on the wheel quite quickly. I might need to make another, smoother, worm and recut the wheel. |
| Dean W:
Looks like a pretty solid motor John, and a fairly compact installation. Nicely out of the way. Even got a color to match your mill. Hope you will show us a video when you get it going. :thumbup: |
| Rob.Wilson:
Off to a good start John :thumbup: Will you be making the PWM power supply :zap: ? Rob |
| dsquire:
John Looks good from here. :Doh: It will sure save a lot of cranking. :D :) Cheers :beer: Don |
| cfellows:
Nice project, John. A power feed on the x-axis is really useful. I put a power feed on my x-axis a number of years ago and just always left it engaged although at times I wish I had a clutch. I recently started designing a clutch or quick disengage mechanism for it when I realized all I had to do was loosen one, easily accessible set screw and disengage the gear. Now, I leave it disengaged most of the time and just engage it when I have long or repetitive cuts on the x-axis. Perhaps one day I'll finish the clutch mechanism... Chuck |
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