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  1. Replies
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    Looks to me like they’re not the same… one is in...

    Looks to me like they’re not the same… one is in the negative and one is positive. What do you have on your A axis? A rotary?

    Try changing the values for the A axis to match the Z and see if the...
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    I own one... what's the question? Are you looking...

    I own one... what's the question? Are you looking to buy one or do you have a question about how it works?
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    You can shorten them if you want, you have to cut...

    You can shorten them if you want, you have to cut down the long X rails.

    I'd recommend against dangerous and noisy tools though. Using a hack saw or a cut off wheel will technically work but it...
  4. .5 IPS is waaaay to slow. Start at 3 to 4

    .5 IPS is waaaay to slow. Start at 3 to 4
  5. That’s a good suggestion Rob. I do a similar...

    That’s a good suggestion Rob. I do a similar approach with decent results. With a little tuning you can get pretty decent quality but at some point you run up against these being aluminum framed...
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    You’ve got quite the large engine hoist! One for...

    You’ve got quite the large engine hoist! One for lifting engines in large trucks? Most the them that are for the home shop are rated to two tons or less.

    I’m curious if anyone else has tried...
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    Do you have a picture of those 800 pound logs?...

    Do you have a picture of those 800 pound logs? I’d love to see how you got them under the gantry.

    If you’re doing math, a concrete slab would be comfortably over 1000 pounds.

    On early PRS...
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    I have upgraded my legs too... Trust me don't put...

    I have upgraded my legs too... Trust me don't put concrete or granite there. Just biscuit some panels together and you'll be in great shape.
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    I would not do concrete. That's insanity. You'd...

    I would not do concrete. That's insanity. You'd never ever be able to move that machine again. You'd likely warp the cross members and crack the slab anyway. The long X rails can sag under the weight...
  10. I disagree, the drive system and the spindle...

    I disagree, the drive system and the spindle alone can command a pretty solid price.
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    I'll echo what jTr said above. There are actually...

    I'll echo what jTr said above. There are actually some good choices out there for going from SU to CNC

    You can open older versions of SketchUp files in VCarve but the import is a bit limited. Side...
  12. Some of the smaller shopbots (Desktops) have a...

    Some of the smaller shopbots (Desktops) have a speed control knob on them. The larger machines like the Buddy and the PRS have the option of either using a knob, keypad on the front, or for a few...
  13. Don and Bill, glad to hear you had better luck...

    Don and Bill, glad to hear you had better luck with spindles.

    Agree with what others are saying here too, spindles are great. Do it!
  14. I run my machine commercially and I got 3 years...

    I run my machine commercially and I got 3 years to the day out of my two HSD 1073 MT spindles. They can be rebuilt but it costs as much as a new one. I upgraded to an ATC and I'll never go back to a...
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    I guess what one considers expensive is a matter...

    I guess what one considers expensive is a matter of perspective. For me it's a deal when compared to a regenerative blower that's 3x (or more) in cost. As someone who burned a lot of time fooling...
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    Instead of the flap in between the two chambers...

    Instead of the flap in between the two chambers you could use blackflow valves. That's what I did on my build. This allowed me to use any of the motors at any time. The image below shows my box...
  17. Steve, that spindle isn't an ATC, I suppose if...

    Steve, that spindle isn't an ATC, I suppose if you put a few next to each other it could be!

    I'm running a CNCDepot.net spindle and I really like it

    https://photos.app.goo.gl/Dm7qyNQk56ByWHpE6
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    My opinion: An ATC machine isn't an ATC machine...

    My opinion: An ATC machine isn't an ATC machine without a working spindle. A CNC without a working spindle isn't really a CNC. Not too many people like to buy other people's projects.

    I'm...
  19. Thread: 3d printer

    by EricSchimel
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    14,584

    That sounds like the one that I have and I really...

    That sounds like the one that I have and I really like it.
  20. Thread: 3d printer

    by EricSchimel
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    14,584

    My post still stands!

    My post still stands!
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    The Centroid upgrade I did resulted in better...

    The Centroid upgrade I did resulted in better quality cuts on my HDPE. It's likely because that controller is much smoother. However it's not magic.. It's not going to help account for a sloppy worn...
  22. RBK board is still available. $175 or best offer.

    RBK board is still available. $175 or best offer.
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    This has been sold!

    This has been sold!
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    Ken, I'll add to what the others have said as...

    Ken, I'll add to what the others have said as well, for plastics like this there's only so much smoothness you can get out of V rollers, I've tried dialing it out as much as I can and while I can get...
  25. Thread: Power

    by EricSchimel
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    For hobbyist work and sign carving this will be...

    For hobbyist work and sign carving this will be plenty, and nice and quiet as well.
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