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Thread: Truing Square Posts

  1. #1
    Join Date
    Dec 2008
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    , Friday Harbor, San Juan Islands Washington
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    530

    Default Truing Square Posts

    I realize this is a easy question but I forgot the answer. What is the easiest way to machine a square post, 4 sides, from rough cut lumber? I want to use the indexer to machine all four sides when in rough form and true the stock to a specified size.

  2. #2
    Join Date
    Mar 2006
    Posts
    7,832

    Default

    Why would you want to true it up on the indexer? There are faster ways to do this off the bot.

    And, once you true it up were you going to be carving it or leave it as is?
    The reason i ask is, if you are going to carve it then once you find center on the indexer as long as you don't have a way lopsided blank there is no need to true it up as you are cutting all that away. Or do i not understand? Seems like unnecessary work if you ask me

  3. #3
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    , Friday Harbor, San Juan Islands Washington
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    Default

    Jack there is much more to be done to the posts that I never mentioned. I have to have them true to be able to accomplish what I want.

  4. #4
    Join Date
    Mar 2006
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    Default

    Well tell me more about it because it would seem to me that if you are cutting away the outsides of this blank it wouldn't matter, however if part of your design is not cut away and based on this square part (like a base of a statue) then that might have some bearing.

    But it would also seem to me that you would need to make the center of your blank based off the finished trued up blank. Maybe more details would help.

    In any event, it would seem that a simple 4 sided machining toolpath would get you what you wanted.
    If you find center
    do a toolpath that covers one side and takes off whatever depth you want (say.1250)
    spin it 90 degrees, do the next side
    repeat
    repeat
    Maybe a pic would help us help you

  5. #5
    Join Date
    Nov 2007
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    NovaScotia
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    Default

    Hi Daryl,
    I have been doing these on the indexer, but I still square them with jointer and saw.
    Attached Images Attached Images

  6. #6
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    Mar 2006
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    7,832

    Default

    More pretty stuff Stephen! Do you make all your samples from pine? Then make the orders you get from whatever material they want?

  7. #7
    Join Date
    Nov 2007
    Location
    NovaScotia
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    Hi Jack,
    I make samples out of pine because it takes 3 or 4 trys to get it right!
    Then I make samples in cherry or birch or some such wood.
    You should see my stack of "almosts", hate to through them out, maybe I'll burn them this winter, not sure I have enough firewood.

  8. #8
    Join Date
    Dec 2008
    Location
    , Friday Harbor, San Juan Islands Washington
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    Default

    I finally found what I was looking for. I located the information in ShopBot under Indexer and it works exactely how I want. I had to make some edits to the file but it works! The reason I wanted to do the squaring on the indexer is I have to do some design work on the posts and they then have to be turned so the design is on all four sides. Thanks for the help!

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