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Thread: How do you cut ground glass corners?

  1. #1

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    How do you cut ground glass corners?

    Just got two kodak 8x10 pieces from surplus shed. One already has a chip in it, the other has some stains that I hope will wash off. Anyways, I tried using some flat edge nail pullers to snip off the corners on a test piece and it worked only on one of the four. For those of you that have done it, What's the foolproof method that doesn't result in a mess?

  2. #2
    loujon
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    Re: How do you cut ground glass corners?

    Did you score the corners using a glass cutter before you used the pliers ? You can not simply snap glass in a straight line with out cutting/scoring it first. At least not that aware of.

    All the 8x10 gg from Surplus shed where/are stained and I could not get the stain to wash off using water, dawn detergent & a wet bounty paper towel. So your may not clean off completely. It has no ill effects as once I'm under the dark cloth and focusing on the ground glass. I simply don't notice it.

  3. #3

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    Re: How do you cut ground glass corners?

    I've bought some of the gg from Surplus Shed, never noticed that they were stained, it's glass
    so any hardware store solvent ( Acetone, denat. Alcohol ) might get the stain out if detergent and water doesn't.

    You have to score the glass with a glass cutter then snap the corners off, never had much luck getting
    a clean snap.

  4. #4
    lenser's Avatar
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    Re: How do you cut ground glass corners?

    One of these little cutters is usually only about $5-6 bucks at a hardware store. You lay the glass on a flat surface and simply put a straight edge along the line of the cut you want to make and score that line two or three times with the diamond wheel. Then you slide the glass off the edge of the surface (table edge, etc.) and use the closest to the glass thickness of the the square cut indents below the wheel to grip the part to be removed and flex it downward. In theory, and mostly in practice, that will cause it to break perfectly along the score line.

    The edge will be quite sharp, so you might want to use one of the stone bits for a Dremel type tool to smooth those new edges....top and bottom.
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  5. #5
    Jac@stafford.net's Avatar
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    Re: How do you cut ground glass corners?

    400 grit wet sandpaper will be fine for smoothing the sharp edges.

  6. #6
    IanG's Avatar
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    Re: How do you cut ground glass corners?

    I use a diamond knife sharpener they are 2 ($3.10) here in the UK, great for smoothing rough glass edges and even bevelling glass edges for negative carriers. Much faster and easier than wet and dry paper.

    Ian

  7. #7

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    Re: How do you cut ground glass corners?

    oops, why didn't I think of that? I have a couple of those cutters floating around. I usually leave glass cutting for glass shops because I ruin nearly every piece I touch. In this case, I must do it myself. Wish me luck! Thanks too.

  8. #8
    lenser's Avatar
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    Re: How do you cut ground glass corners?

    One thing I should have emphasized, Vinny. Only take the scored line out a millimeter or so past the table edge so that all of your force is exerted right on that line and not further back past it. Maybe a counter top with a 90 degree edge would be even better as you what to prevent any stress at any other area than where you've scored the line.
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  9. #9

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    Re: How do you cut ground glass corners?

    I scored and snapped them off. only one broke a bit more off than I wanted but with a little sanding it looks just fine.

  10. #10
    uphereinmytree's Avatar
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    Re: How do you cut ground glass corners?

    Most glass cutters have a ball or knob on the end that is used to tap the opposite side under the score. Make sure the fracture created when scored goes all the way through the sheet. Also, comet scouring powder is good for removing stains and light marks on the ground side, just don't get it on the smooth side.

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