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  1. My initial thought was to shim out the bottom...

    My initial thought was to shim out the bottom rail. This was before I was able to measure across the two rails which verifies that they are equidistant along the beam.

    How likely is it that maybe...
  2. z car becomes loose on y axis about halfway across

    Let me elaborate a little.

    The machine is a 2007 PRSalpha 4x8 with a spindle.

    If the z car is adjusted so that it is tight in the home position (all the way right on the y axis), the z car...
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    It might help to use a 1/2 brad pointed bit.

    It might help to use a 1/2 brad pointed bit.
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    Guitars is about all I do with my bot these days....

    Guitars is about all I do with my bot these days. Bill, I see you're in Pittsburgh. I'm about 20 miles south of you in Monongahela.

    I've got a bunch of stuff to upload from NAMM this year to the...
  5. Thread: Do You Backup?

    by mcmark
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    6,398

    Poll: This is almost exactly what I am doing also. ...

    This is almost exactly what I am doing also.

    I'll just drop the latest folder with all my cnc stuff into dropbox. I keep 2 or three dated folders back. It goes to 3 different computers, one of...
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    One thing I never do is run my spindle at 18K. ...

    One thing I never do is run my spindle at 18K. Actually most of what I do is 3K, 6K, or 10K depending on the material. The spindle nose is only slightly warm after a days use. Plus at a lower RPM,...
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    Hi Thomas, I actually run at 6000 rpm. One...

    Hi Thomas,

    I actually run at 6000 rpm. One thing that polycarbonate doesn't like is being heated by the cut. I don't know if this is an option, but a moat made out of something like Mortite and...
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    My trick is to run the piece, then re-run it at...

    My trick is to run the piece, then re-run it at .001 or .002" deeper. I just move the tool off the part, move Z to -.001 or -.002 and re-zero Z. This gets rid of that ridge you are talking about. ...
  9. Thread: ER 25 collets

    by mcmark
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    6,531

    So Brady, no problems with PDS collets in an HSD...

    So Brady, no problems with PDS collets in an HSD 2.2HP spindle, correct? I need to buy one of each in 1/8th and 3/8 and I would rather spend $46 than $80.

    Thanks
    Mark
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    I've run into this as well and have had good...

    I've run into this as well and have had good results by drawing a boundary just a couple of thousandths larger than the feature. Select your feature, then shift select boundary. This keeps the tool...
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    Yes, I have the HSD spindle. I haven't tried it...

    Yes, I have the HSD spindle. I haven't tried it yet, but I will give it a trial run first. I basically just touched off the tool to the top of the part to get through the weekend. I jumpered my...
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    dangit...I just did the same thing yesterday :o ...

    dangit...I just did the same thing yesterday :o

    I'm blaming the dogs as well:D

    And my clip is MIA.

    Thanks for the tip of clipping to the spindle instead of the tool :cool:
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    Call him back and tell him to send you his bats...

    Call him back and tell him to send you his bats and you'll make sure that they get a good home:D
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    Looks great AJ :) I really need to switch mine...

    Looks great AJ :)

    I really need to switch mine over to fixed.
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    Hi AJ telecaster911 here, from the forums. :D...

    Hi AJ

    telecaster911 here, from the forums. :D

    I'm guessing you're building guitars.

    I come from a long line of woodworkers. Dad, both grandfathers, etc, so I've been around cabinet makers...
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    Thanks guys! Thankfully, I didn't have to paint...

    Thanks guys! Thankfully, I didn't have to paint it, hehe. The sign shop that contracted it is painting it. It's the Fox's Pizza Den logo. :)
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    Finished ...

    Finished

    http://i116.photobucket.com/albums/o18/telecaster911/57aa478c.jpg

    http://i116.photobucket.com/albums/o18/telecaster911/beb5fd7f.jpg
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    My First ShopBot Project

    Just thought I'd share a few pics of the sign I made. And thanks to those of you that pointed me in the grounding direction. Everything has been spot on since. :)

    Mat'l, #15 HDU 2" thick
    ...
  19. Thread: Nativity Scenes

    by mcmark
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    Canonsburg again?

    Canonsburg again?
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    I re-grounded my bot and all seems well. Thanks...

    I re-grounded my bot and all seems well. Thanks guys.:) It's pretty cool that this body of knowledge is here:cool:
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    Currently, the machine is grounded as per the...

    Currently, the machine is grounded as per the manual. Would a ground rod outside of the window of my shop help? At the moment, I have just been shop-vac-ing the chips as needed, so there is no hose...
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    Well, I did a little test tonight. I adjusted...

    Well, I did a little test tonight. I adjusted the bolts for the prox switches. Ran the C3 routine and put a test hole in a block of wood fastened to the table.

    Ran the x and y out about 2 feet...
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    Thanks, will do!

    Thanks, will do!
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    Thanks guys, Yes, I mean in x and y with the...

    Thanks guys,

    Yes, I mean in x and y with the C3 command. It might have been something that I did as the machine is new to me. 4yrs old, 2hp spindle, fein vac.

    I think I'm going to run a...
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    Accuracy question

    Hi folks. I have a PRS Alpha that I am getting ready to cut my first HDU sign with. I have cut a sample out of styrofoam from Lowes. Here's my problem. I did the roughing and the finish at...
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