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  1. Replies
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    Mine does that quite a bit. I think it's a...

    Mine does that quite a bit. I think it's a combination of stuff in the threads of the rack, the carriage being not quite square (check to see that all your v-rollers are actually on the rails) and in...
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    For some reason I think that input burned out...

    For some reason I think that input burned out Brady. It hasn't worked in quite a while. Eyeballing it is a little easier and somewhat faster for me anyway :-) I really need to update the system at...
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    Ok, I think it's purely user error. I just...

    Ok, I think it's purely user error. I just checked my Z zero - where it actually takes the Z point - and it was set to the table and not the material surface. The material I'm cutting is 1" thick, so...
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    Z axis command all by it's own!

    Hi all,
    I'm not on here much. Had my PRT for probably 15 years now and really haven't had any issue. But I don't use it much, either. Of course, now I have a job in house that I have to cut quite a...
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    Unit values are fine. Dust in both computers is a...

    Unit values are fine. Dust in both computers is a definite. Taking them apart and blowing the particles out is on the schedule for the next week!
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    Thanks Dave. I'm pretty obsessive about keeping...

    Thanks Dave. I'm pretty obsessive about keeping the rollers clean. I cut quite a bit of pvc and hdu, both high-static items. The rails are pretty good. Might could do a quick run with the rasp, but...
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    Both motors are fully engaged, Brady. It's been...

    Both motors are fully engaged, Brady. It's been over the past year that the computer itself has been hanging and losing connection to the 'Bot (that nice yellow rectangle comes up on the screen)....
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    Phil, Azek is denser than most PVC's and will...

    Phil,
    Azek is denser than most PVC's and will rout wonderfully. That said, even at 1" thick, depending on what the surface color is, will warp. Sometimes badly. It warps because you're removing the...
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    Skew and runout

    Hi folks,
    Not a regular on the boards here, but ran into an interesting issue today. My PRT96 has been cutting relatively well for years (mainly, after Brady stopped by to help me tune it up a...
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    Machining plex isn't hard, you just need a single...

    Machining plex isn't hard, you just need a single straight flute and run it at a fairly slow forward speed, if the plex is thin. For mounting, I can almost guarantee, based on your photo, that there...
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    Thickness will tell you everything. It's more...

    Thickness will tell you everything. It's more than likely Signfoam or a variation of HDU. Surface preparation is everything - do it right and it'll look like a piece of artwork. My carved stuff isn't...
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    If you insist on using an 1/8" bit, slow it down...

    If you insist on using an 1/8" bit, slow it down and use a climb cut. Like the others say, deflection seems to be the issue. Personally, I'd just mill it with a 3/16" and not worry about having to...
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    Cut Corian with my PC router as well, no issues.

    Cut Corian with my PC router as well, no issues.
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    You'll be fine. I've done the same thing for...

    You'll be fine. I've done the same thing for years with no issues. I tend to overkill my builds, so I will add a handful of stainless short deck screws through the HDU into the ply or MDO - I prefer...
  15. Thread: colorcore

    by letterman7
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    1,895

    Not much you can do. Try a quick pass with a blow...

    Not much you can do. Try a quick pass with a blow torch to melt some of them back; sometimes with that you can just run your finger over 'em when they're cool and take them right off.
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    Where are you in Delaware, Daniel? If you want...

    Where are you in Delaware, Daniel? If you want some hands-on practical advice/demos, just give me a PM. I'm not too far from Wilmington in Chester County, PA.
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    Nice! Are the numbers Corian as well?

    Nice! Are the numbers Corian as well?
  18. This. Since I don't like carving through paint...

    This. Since I don't like carving through paint hand having the worry about the second color not having the same 'surface' as the main color (or, with gold leaf, having to try to set a gild on a new...
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    To my knowledge, fire rated Dibond or poly...

    To my knowledge, fire rated Dibond or poly aluminum doesn't exist simply due to it's very nature. You would have to step up to a honeycomb composite for something like that...
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    Ah... shows how much I pay attention to wood...

    Ah... shows how much I pay attention to wood anymore. In the long term, plywood will be your undoing in the lifespan of the sign..
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    All pvc is measured in mm. Sintra is just one...

    All pvc is measured in mm. Sintra is just one brand and I've not known it to be denser than another. My concern would be the cut edges over time - if they aren't bleached a couple times a week, you...
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    I've found Precision Board to have the odd void...

    I've found Precision Board to have the odd void once in a while. It's a little "grittier" than SF as well. Currently I've been using Duna board and love it - much cleaner finish than Signfoam. Again,...
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    Won't work for sandblasting, but works great for...

    Won't work for sandblasting, but works great for aging wood posts!
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    You're going to machine 1/8" letters? Or 1/8...

    You're going to machine 1/8" letters? Or 1/8 thick? How big is this sample? It would be worth your while to find a sign shop near you to cut your sample in the appropriate sandblast mask, then you...
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    For some reason I missed the "bolted to the...

    For some reason I missed the "bolted to the building" part. I thought it was a single face freestanding... not enough coffee today I guess. good lookin' sign there, Joe. Did you glue it to the Extira...
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