treatment of old piece of wood

Discussion in 'Newbie' started by Perry Hilbert, Sep 27, 2017.

  1. Perry Hilbert

    Perry Hilbert

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    In 2014, I helped with some volunteer renovations at a place. I took some pieces of weathered 4/4 Oak that were removed and replaced to burn as firewood. Well the place was destroyed by fire a year later. An acquaintance did a lot of volunteer work there. I have one piece of the oak left, about 12 inches square. I would like to turn a round picture frame and put a picture of the place in it and present it to him. My goal is a round/circular picture frame about 8 inches in diameter with a five inch diameter picture. (my round piece of glass is 5.5 inches. ). The wood was weathered a bit but is mostly solid under the surface. Like all old boards it has cupped a bit. There is a crack down the middle of one side of the board, but not on the other. What can I do to the wood to keep the crack from getting worse or breaking through all together. CA glue? A resin filler? And how best to apply.?
     
  2. Bill Boehme

    Bill Boehme Administrator Staff Member

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    Welcome to the AAW forum, Perry.

    Since the wood won't be out in the weather, the crack shouldn't get worse. However, the process of making the frame might be enough to break it. CA isn't the strongest glue, but it would be less noticeable than epoxy.

    An alternative approach would be to glue the board to a backer such as ⅛" plywood using epoxy
     
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  3. hockenbery

    hockenbery AAW Advisor Staff Member

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    Similar to what Bill suggested, I would start by screwing the future face down on a plywood or mdf screwed to a faceplate (mdf can be held on a chuck using a recess and expansion mode)
    Screws through waste space with pilot holes in the center area.

    Put on the lathe mark the outer edge. Then you can bandsaw it round or turn round with a gouge or use a parting tool as scraper tip down
    Make a groove of the depth, diameter, and width you want to hold the glass, picture, and backing for the picture(1/8 one 1/4" plywood or hardboard)

    Sand the top which will be the future back.

    Then tape the edges to the backing board using strapping tape with nylon threads
    Now part the center free working at the inner edge of the groove you want.

    Unscrew the center then turn your backing board to the diameter of the recess for the glass.
    Be sure to true the surface that will register against the bottom of the groove in the frame.

    Glue the frame onto the backing board using hot melt glue. Turn, sand, and perhaps finish the surfaces of the frame. Either use a solvent that releases your hotmelt or remove any screws and pop the the frame
    & backing board in a microwave for 10 seconds then pull apart.
     
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  4. Tom Albrecht

    Tom Albrecht

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    I used to make custom round frames for a framing shop. I did it by making two-ply laminated hexagons with staggered joints. That way you get a strong frame with continuous long grain.
     
  5. john lucas

    john lucas

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    You could also put a butterfly patch on the backside to secure the crack. then make the frame in the usual manor.
     
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