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Help! Please

Discussion in 'The Grumble' started by New2framing, Dec 27, 2018.

  1. New2framing

    New2framing Grumbler in Training

    Hello, im new to this industry and am working at a company making framed interior décor. We are using a paper faced mdf frame material and cutting it with a double miter saw , because we are cutting on the short edge ( to make a boxier frame ) we have to cut against the paper - this is causing the ends to fray and show the white backing . Has anyone had this issue or any ideas on how to correct.
     
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  2. bruce papier

    bruce papier MGF, Master Grumble Framer

    Give the folks at W. D. Quinn a call. You may need a different tooth pattern on your blades.
     
    shayla likes this.
  3. New2framing

    New2framing Grumbler in Training

    Thank, you. We are using a 100 tooth "ever last blade" at the moment. Any suggestion for type of blade ?
     
  4. Jim Miller

    Jim Miller SPFG, Supreme Picture Framing God

    Paper-covered mouldings are difficult to cut cleanly, but dull blades would be more likely to fray the paper, so make sure your blades are freshly sharpened. If you can't find a way to get good cuts, you could sand the miters, but the added labor could negate whatever you hoped to save by using that moulding.

    The moulding manufacturer may have instructions or recommendations for cutting. And as Bruce Papier suggested, Quinn Saw Company (http://quinnsaw.com/) would be a good source of blades, sharpening, and tooth profile recommendations. My guess is that 100 tooth, carbide-tipped, triple-chip blades would be appropriate, but maybe they have a better suggestion for that type of moulding.
     
    prospero likes this.
  5. Joe B

    Joe B SGF, Supreme Grumble Framer

    Contact Joe at Quinn Blade - he will make a suggestion that will work.
     
  6. artfolio

    artfolio SGF, Supreme Grumble Framer

    Paper over MDF?? As Joe says you will need very good blades and if you are putting them through MDF expect them to lose their edge pretty quickly. A guillotine would cut the paper cleaner than a saw but may give gappy corners with the MDF, especially going though a deep moulding.

    One trick you could try is to measure and mark your cuts on the face of the moulding then score the paper with a sharp knife right at the point where the blade will fall. I used to do this with linen covered slips - it is fiddly but worth it.

    Alternatively, can you use masking tape over the cut area to protect the paper or will it tear it on removal?
     
    tedh likes this.
  7. prospero

    prospero SPFG, Supreme Picture Framing God

    Just to clarify..... You are cutting the moulding on it's back with the rabbet pointing up and the paper wrapped face toward you. (?)

    If this is the case try tacking a sacrificial piece of wood - maybe 1/4" thick and as wide as the moulding and cut against that. It will provide
    a bit of support and hopefully stop the paper fraying.
    *This will throw the measuring scale off so you have to make allowance.
     
    artfolio likes this.
  8. artfolio

    artfolio SGF, Supreme Grumble Framer

    Just to be a real wet blanket I wonder how durable this moulding will be over the long term? O.K. if it is for a temporary display but I could see paper absorbing all kinds of pollutants and discolouring over time.
     
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