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Type: Posts; User: Pyronaught

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  1. Thread: THE GRIZZ

    by Pyronaught
    Replies
    725
    Views
    132,012

    Re: THE GRIZZ

    This has got to be the most epic G0704 conversion of all time. Seems like as time goes on there won't be a single piece of the original machine left at some point!
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    5,802

    Re: Late to the party G0704 CNC

    I went through the same ordeal with the crappy kits from AT. They link to all those videos showing the rear mounted X axis too. I didn't even realize they sent me a front mount until I had already...
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    1,642

    Re: G0704 Ways Sticking

    I found the problem. When I took the ball screw out to slide the table back and forth to do the oil trick, there was no sticking. It turns out the top of the ball screw nut was not ground down far...
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    1,642

    Re: G0704 Ways Sticking

    The jib looks clean. I would expect if the jib were causing it that it would be sticky the whole way rather than just in one spot. It doesn't jam, I just have to turn the hand wheel pretty hard to...
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    1,642

    G0704 Ways Sticking

    I'm in the process of converting a G0704 over to CNC and am having an issue with the X axis slide sticking. What is odd is that it is only sticking in the region between 1-1/2" to 3-1/2" on the...
  6. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    Here is a video of the vacuum based pick-and-place fixture I added to my machine. I'm cutting carbon fiber sheets that will be laminated together and the machine will build the stacks to the desired...
  7. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    The sensor looks like a Hall Effect sensor for homing. That's something I need to add to mine, as currently I just visually align it and sometimes if I don't get it exactly right it can result in...
  8. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    It looks like their ultrasonic tool head can only do cutting and not sealing. I would think it should be possible to do sealing using a similar type of system though. I could not find the cutter...
  9. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    I do use a rolling cutter quite often, which I made using a 3D printed blade holder for 28mm blades. To keep the blade tangent to the cut, I either use custom software to add angle values to the A...
  10. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    I did recently get some 4x8 polyethylene mats that work ok. cutting-mats.net sells a 3/16" version rolled up so that it fits in a box that can be delivered by common carrier, thus avoiding the high...
  11. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    I recognize the Carlson Design machine. So that is an ultrasonic welder head on there? I always thought ultrasonic required a metal surface on the other side of the ultrasonic head in order to work...
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    Re: Router Spindle on G0704

    Thanks Hoss, I saw your video right after posting my message using the auto-search links the forum provides. I like your idea better, I just figured the hand wheel would get in the way and getting...
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    1,182

    Router Spindle on G0704

    Since it isn't all that difficult to remove the entire head on a G0704, I was thinking maybe it would make more sense to make a mount for a high RPM router spindle for use when doing high speed...
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    3,029

    Re: Mill Recommendations

    My plan was to enclose the whole thing in a box that is vented to the outside with a blower pulling the air out. I was searching on health risks of carbon fiber dust the other day and there seems to...
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    Re: Mill Recommendations

    The Tormach 440 is on back order and I think the 770 is just going to be too expensive to justify to the boss. As much as I like the Tormach, both the machine and their company/support and online...
  16. Replies
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    3,029

    Re: Mill Recommendations

    I thought PathPilot looked just like LinuxCNC. I've never used LinuxCNC myself but have seen screen shots of it. I use Mach3 on my fabric cutter and can say that it does unexpected things on a...
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    3,029

    Re: Mill Recommendations

    Any opinions on running a Tormach with PathPilot VS Mach3? I really like the look of PathPilot better, I've never been a fan of the cartoonish Mach3 interface or its quirks. The fact that Tormach...
  18. Replies
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    3,029

    Re: Mill Recommendations

    Oh I'm sure the tooling is a never ending money pit, just like lathe tooling. It might even be fair to call the mill itself a "bankruptcy starter kit."

    The Tormach does look nice. What do they...
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    3,029

    Re: Mill Recommendations

    I don't need 12" of travel on the Z axis, I just need to be able to raise the head enough to fit an 8" tall fixture under it. If the actual Z travel is only 2" then that is fine. I really don't...
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    3,029

    Re: Mill Recommendations

    The problem with buying used is that the weight of the machines require that you pick them up in person. I live in Florida, so I'm pretty far away from damn near everywhere. It's a 5 hour drive...
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    3,029

    Re: Mill Recommendations

    I designed and built a large format CNC fabric cutter from the ground up without any sort of plans, so I think I can handle it. I've already got Mach3 setup on a laptop connected to a smooth...
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    3,029

    Re: Mill Recommendations

    It looks like the G0704 is extremely popular with a lot of people here and meets my working area criteria. If one of those conversion kits could be installed over a weekend then I'd be up for that,...
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    Mill Recommendations

    I'm looking for a small mill that will initially be used to trim excess carbon fiber from compression molded parts, which is a pretty light-weight task that could even be done with a CNC router. I...
  24. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    I'm guessing this is that fake ice stuff for ice skating on? I bet that would work good since it holds up to skate blades. Not sure if I even have a local plastic fabricator though.
  25. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    The 3" spacing works great for me, but I'm typically cutting large pieces from full sheets that cover all the holes. The more open holes you have, the less suction you get from the covered holes. ...
  26. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    I've never seen a laser cutter work on anything but a metal grate as the backing. I think it will just melt any kind of plastic you try to use under the fabric. Maybe you could find some kind of...
  27. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    After putting up with Mach3s quirky handling of A axis rotation for a few years, I finally decided to add a sliding ring type electrical contact for the four electrical lines that run to my heat...
  28. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    Nice job, it looks very solid. I've redesigned my tool head to include a rotary cutter now too. Mostly I'm doing cutting and heat sealing of thin films. I'm about to redo the long axis rail system...
  29. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    The gantry is pretty straight forward, but the tool head details is the hard part. Especially if heat is involved like what I'm doing. Looking at the pictures here should give you some ideas...
  30. Re: New Machine Build- 16' x 5.5' Fabric Cutter/Plotter

    That is actually what I'm using in the pictures here, but I had to upgrade it to 3/4" MDF because the thin stuff was causing problems when heat sealing seams. Even with how close together the...
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