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    Sanding mdf

    Always hearing about how brittle mdf is, is it ok to sand the side of an mdf board?...not the surface face. one of the sides is preventing the top from going on with a smooth flush mounting by about 3mm towards the end of the side. What type of sander should I get that will get it done the gaskets without any chance of damaging it...must be able to pick it up at Home Depot. Thanks.







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    Re: Sanding mdf

    Yeah I've done that with a hand held belt sander. Just be careful when doing it cause if its not straight or at an angle it won't fit right. Or you can't "add" to it if you take to much off.




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    Re: Sanding mdf

    Use a rasp.



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    Re: Sanding mdf

    coarse sand paper and block, go slow. You can take it off but you can't put it back on.



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    Re: Sanding mdf

    60-80grit will work.

    And if you do take off too much you can mix sawdust and glue for that part, so it will fill the gap when putting the top on. So YES you can put it back on....




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    Re: Sanding mdf

    Whatever you end up doing, I would do it BY HAND, and take your time... I've witnessed ppl gouging & accidentally removing chunks of mdf trying this with powered sanders (I used to work 4 a stereo shop) I h8 MDF, I prefer Birch - It's REAL wood, and it's lighter ;-)




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    Re: Sanding mdf

    Quote Originally Posted by mlstrass View Post
    60-80grit will work.

    And if you do take off too much you can mix sawdust and glue for that part, so it will fill the gap when putting the top on. So YES you can put it back on....
    I forgot about this, so yes you can but I don't. I shows that you f'ed it up.



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    Re: Sanding mdf

    Quote Originally Posted by Kingstroker View Post
    I forgot about this, so yes you can but I don't. I shows that you f'ed it up.
    At least you can fix it if you do. And how will it show once the box is covered???




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    Re: Sanding mdf

    after sanding, to help stengthen up the ends of MDF, put some fiberglas resin on it. it will **** into the grain and will help keep it from chippin whenever the enclosure is moved.
    also a good idea to knock down any sharp corners. paint doesnt hold up too good on sharp corners and just taking a piece of sandpaper over em helps out a lot.
    its also a very good idea to wear a dust mask when sanding MDF. lungs dont like the dust.




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    Re: Sanding mdf

    Thanks all.




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    Re: Sanding mdf

    no no no. use a handheld jointer. It will keep the cut straight as long as it was made straight to begin with.




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