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  1. #1
    Join Date
    Mar 2007
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    Default Planing purpleheart.

    I recently bought a purpleheart board. I have never worked with it before but the first thing that struck me is how heavy and hard it is.
    When I ran it through the planer it seemed to chip a lot. The planer knives are sharp and I took very shallow passes but it still chipped up. Is this a normal characteristic of purpleheart, and is there something I can do to minimize it? I have no idea of the moisture content of the board but is it possible that it is too dry? My planer seemed to have no problem with 13 inch wide curly maple, but it don't seem to like this 6 inch purpleheart board.

    Any ideas would be appreciated. Thanks
    Wayne.

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  3. #2
    Join Date
    May 2005
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    Bundaberg
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    Default

    Hi Wayne, sounds as though it is picking up the grain and tearing it out. could only suggest end for ending the board and running it through and see what happens.

    Regards
    Harold
    Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.

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  4. #3
    Join Date
    Jun 1999
    Location
    Westleigh, Sydney
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    It can happen with purpleheart (& many other woods, of course). Try spraying a mist of water on the surface before you put it through. Even if it only reduces the problem, you should be able to fix it up with a scraper.
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  5. #4
    Join Date
    Jun 2006
    Location
    Barboursville, Virginia USA
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    Ah yes, purpleheart. Trust it to chip out when you run it one direction and chip out elsewhere when you reverse it. Alex has a good tip and you cannot take too light a cut. Wait until you run it past a roundover bit on the router table.

    But it is beautiful when finished, so just plan to sand until it hurts.
    Cheers,

    Bob



  6. #5
    Join Date
    Mar 2007
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    Canada
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    Quote Originally Posted by Honorary Bloke View Post
    Trust it to chip out when you run it one direction and chip out elsewhere when you reverse it.
    That's exactly what happened to me. Chipped in either direction.

    Thanks for the suggestion Alex. I had thought of misting it with water but I didn't know if that would work because I never heard of anyone trying it before. I'll definitely give it a try.

    I'm thinking of just planing it close to size then go to the cabinet shop where I used to work and run it through the thickness sander. If my old boss will let me as I work for his competition now.

    Thanks for the suggestions.

  7. #6
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    Jun 1999
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    Quote Originally Posted by VinWeasel View Post
    I'm thinking of just planing it close to size then ... run it through the thickness sander.
    Probably the best way.
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  8. #7
    Join Date
    May 2007
    Location
    Northern Sydney
    Age
    40
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    619

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    Send it through the thicknesser on a slight skew. Works for me with other angry and uncooperative pieces of wood..

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