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Wizard 5000 pulling mats out of air clamp

Discussion in 'Software, Computers, CMC's Techie Stuff' started by Donald, Aug 16, 2018.

  1. Donald

    Donald Grumbler in Training

    As title says, our Wizard 5000 is pulling the mats out of the left side vertical air clamp.

    Bought a used 5000 in pretty good shape but it had a few issues. Needed new air clamps for one thing.

    New clamps installed and other things adjusted, (overcuts, backup,etc...).

    Anyway, the issue is that when cutting tall vertical mats. The head starts in the lower left as normal then goes vertical to the upper left corner. Makes the turn to go from the upper left corner to the upper right corner. This is where the problem occurs. When the head makes the transition from vertical to the horizontal position to cut across the top, the pressure from the head retracting and reinserting the blade causes the mat to pull out from the left air clamp slightly.

    On a single opening it's tolerable, but when cutting a tall vertical tiled mat, say 3 instances, by the time the last mat is being cut, which is the one closest to the air clamp, the mat has been pulled out from the air clamp. When the head start it's horizontal cut across the top, the mat is out of the clamp and I'm trying to hold the mat by hand, but then the head turns to do the down cut from UR to LR is really bad. usually the mat buckles at this time ruining the last mat. I've tried pausing the cut to reset the mat in the clamps, but when I release the pressure, the head is released to and cutter forgets where it's at.

    Question is, is there a pressure setting for the head/foot pressure to keep it from applying so much pressure it yanks the mat out of the clamp? I've felt the 8500 wanting to do the same thing when it makes it's UL to UR transition, but it usually didn't fully pull the mat out. I still had to hold the mat and sometimes the mat did buckle so it seems to be a design issue but is there a way to adjust this to minimize it?
     
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  2. neilframer

    neilframer PFG, Picture Framing God

    I don't really know the 5000.
    We have a 9000 now and we had an 8000 previously.
    On the 8000 and the 9000 we use 2- 40x60 flaw boards as underboards.
    Are you using 2 or just 1?
    As mentioned, I don't know if the 5000 would use 2 underboards as the 8000 and the 9000 do.
     
  3. Donald

    Donald Grumbler in Training

    Using 2 boards. Mat being cut is the 3rd board
     
  4. tedh

    tedh PFG, Picture Framing God

    I have an 8000 so I may not know what I'm talking about, but:
    - did you check to see if both clamps are working? Test them separately.
    - is the blade fully retracted when the blade carrier spins?
    - a monthly Wizard support plan may be the answer.
     
  5. Donald

    Donald Grumbler in Training

    Yes, both clamps working correctly. They both test correctly. Even removed the clamp and reseated it to make sure it wasn't turned or twisted.
    Yes blade is retracted. Broken blade tips and messed up mat corners would have been common.
    It just might come to a monthly plan if I can't figure this out.

    This is the reason for my post in the first place. Hopefully someone may have experience with this and can tell me what to check next.
     
  6. Terry Hart cpf

    Terry Hart cpf SGF, Supreme Grumble Framer

    There's an air bladder that expands to make the clamp work. In fact there may have been a couple of them. They're under the metal clamp. Check to make sure they're ok. My guess is a small hole as this happened to me once.
     
  7. Donald

    Donald Grumbler in Training

    No holes, clamp seated and works correctly. It's the force of the head retracting and reinserting at the UL corner that causes this. As I mentioned before, I could feel this happening on the 8500 too. Just put your hands on the mat as it makes it's transition. You can feel the mat wanting to shift.

    If I turn the pressure down too much, then the head never activates. So at the pressure the head actually works, the pressure of the head on the mat in that corner also shifts the mat.
     
  8. tedh

    tedh PFG, Picture Framing God

    I don't know the procedure with the 5000, but with the 8000 when there's trouble, we have to loosen the head, move the gantry to the middle right, screw around with something, then tighten everyything, up again. There's another routine as well for another issue as well.

    I can only recommend a service agreement.
     
  9. Kev@Frames

    Kev@Frames CGF II, Certified Grumble Framer Level 2

    long shot here, I used to have an 8000 (8500e now) - but worth a look. Is the floating foot-block worn out?
     
  10. Donald

    Donald Grumbler in Training

    Dunno, how do you tell???
     
  11. Kev@Frames

    Kev@Frames CGF II, Certified Grumble Framer Level 2

    Hi Donald
    it's held on with a screw and a tiny O ring, so you can get an idea how worn down they are by how close the screw is to the surface, They can wear themselves right down to the screw eventually, when they are new the screw head is recessed by at least 1mm, maybe more (guessing from the picture in my memory) 1/24th inch to 3/32nds. When they are worn cuts seem to drag on the boards in my experience. when they are worn you get all sorts of poor cuts and misery too.

    Cant think of much else. Like I said, a bit of a long shot, but an easy fix if that is what it is.
     
  12. Donald

    Donald Grumbler in Training

    Thank you. I will check that out after the holiday.

    Thanks again,

    Donald
     
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