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  1. #1
    Join Date
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    Default Is there a tool or technique to do this?

    Hi all, have just finished a project and it took a good deal of time (and patients) to achieve a good finish in the internal radius's and holes (highlighted in blue) shown in the attached image. The problem is made worse by the fact that I am dealing with ply end grain
    Does anyone know if there is a tool to make this easier

    Thank you

  2. #2
    Join Date
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    I think its called sandpaper!

    (And you prolly should use patience not sick people! )
    anne-maria.
    T
    ea Lady

    (White with none)
    Follow my little workshop/gallery on facebook. things of clay and wood.

  3. #3
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    Quote Originally Posted by tea lady View Post
    I think its called sandpaper!

    (And you prolly should use patience not sick people! )
    Hi, pretty much an expert (now) on sandpaper. Patients well that's a spell check thing but point taken.

    Had much experience sanding wide (600mm+) ply, end grain with small internal radius's? might not be so flippant if you had.


    Not big on sarcasm
    anyone got anything constructive, it would be appreciated.

    Thanks

  4. #4
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    Its going to be hard now everthing is glued up. In hindsight it probably would have been a good idea to bobbin sand while the pieces were apart/ Of course it would still have needed a final sand after glue
    up. I guess hindsight is nearly as bad as sarcasm at this stage. All jokes aside, I think Tea lady is pretty much on the mark. Something that may help is to dampen with a little metholated spirits. This quickly raises the grain and evaporates, making sanding easier. It also assists when polishing as it does the grain lifting that the first coates of finish would cause. The only other option would be grain filler.

  5. #5
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    Well TL consider yourself told , flippant comment stating the obvious, with humor
    What is this forum coming to , no flippiancy allowed
    ( should we patient that )
    Ashore




    The trouble with life is there's no background music.

  6. #6
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    Perhaps one of these then? (Sanding can make my sense of humor wander off too! )


    http://www.woodcraft.com/Product/0/4...-12-Piece.aspx
    Last edited by tea lady; 20th January 2012 at 08:56 PM. Reason: wierd link
    anne-maria.
    T
    ea Lady

    (White with none)
    Follow my little workshop/gallery on facebook. things of clay and wood.

  7. #7
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    Quote Originally Posted by tea lady View Post
    Perhaps one of these then? (Sanding can make my sense of humor wander off too! )


    Buy Sanding Set 12 Piece at Woodcraft
    They're no good TL, that's still using sandpaper and we ain't allowed to suggest sandpaper.


    Peter.

  8. #8
    acmegridley Guest

    Default

    "Let he who is without sin cast the first stone" spoke JC

  9. #9
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    Quote Originally Posted by Sturdee View Post
    They're no good TL, that's still using sandpaper and we ain't allowed to suggest sandpaper.


    Peter.
    or be sarcastic.
    anne-maria.
    T
    ea Lady

    (White with none)
    Follow my little workshop/gallery on facebook. things of clay and wood.

  10. #10
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    Hi Laya,

    I saw your photos in your other post for finishing, looks really beautiful.

    I once had to do a similar curved sanding within a tight space, I adapted a piece of PVC pipe which fitted to my drill (using other bits of plumbing fittings) I then used spray glue to adhere the sandpaper to the pipe, once the sandpaper was spent I scraped it with a knife and cleaned with minerial turps then re-glued a new sheet of sandpaper.

    Due to the length you need to sand you will probably need a guide at the opposite end.

    Although this doesn't get away with the sandpaper it does take a bit of the elbow grease away

  11. #11
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    How are the pieces cut in the first place? Laser cut? Or band saw? Maybe you could use a different blade to get a better cut edge. (Skip tooth blades are the go. ) Tear out is harder to get rid of than make! Or sandwich the ply between some waste wood? Or masking tape along the cutting line?
    anne-maria.
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    ea Lady

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    Follow my little workshop/gallery on facebook. things of clay and wood.

  12. #12
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    Oh! Found your other thread and you mention that it is cut by CNC. You also mention that you started with 40# sand paper. That is too course. I have no idea what that would usually be used for. Start with 80# maybe. Or 100#. Go up the grits in stages till its as fine as you want. Also there are sand papers and sand papers. If the wood is hard you need the good expensive stuff cos with the cheep stuff the grit will come off the paper before it makes a dint in the wood.

    Good luck with the show!
    anne-maria.
    T
    ea Lady

    (White with none)
    Follow my little workshop/gallery on facebook. things of clay and wood.

  13. #13
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    Quote Originally Posted by tea lady View Post
    You also mention that you started with 40# sand paper. That is too course. I have no idea what that would usually be used for.
    That grit is usually used for floor sanding on those sanding machines. Designed to even the floor boards, prior to moving to a higher grit, like 60.

    Also good for flattening the sole plates of planes if they are badly pitted but for woodworking a definite no no.


    Peter.

  14. #14
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    Unless you have old boards with several layers of paint, then you start ar 40#, have a good breathing mask though.
    Ashore




    The trouble with life is there's no background music.

  15. #15
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    40 grit is much too course, no wonder you're getting the tom tits. With paper that course you are making a rough surface rather than getting rid of one. Start at about 80 grit. Investing in good quality abrasive is the trick here. You will get better cut and longer life.

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