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  1. #11
    Join Date
    Mar 2010
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    245

    Default

    lol,,, good eye, i didnt see that,,,, same formula


    51.43 x 7 = 360
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    Lockheed Martin
    Armco Steel, Baltimore
    USW local #3185

  2. #12
    Join Date
    Dec 2007
    Location
    alabama
    Posts
    749

    Default

    But this formula is correct. Say you wanna make an eight sided frame of equal length. 45 degrees would be the angle of each piece, 45 x 8 = 360 . So then each end must be mitered at 22.5 degrees to make a 45 degree angle.
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  3. #13
    Join Date
    Mar 2010
    Posts
    245

    Default

    yup, you would cut that number in half to get the actual saw cut angle, and that would be 22.5
    Anything you could do, I could do better.
    I can do anything better than you!
    Lockheed Martin
    Armco Steel, Baltimore
    USW local #3185

  4. #14

    Default

    so how ever many sides i want i divide that by 360 and thats the angle i cut. Very good to know, i am learning so much just reading what you guys post

  5. #15
    Join Date
    Mar 2010
    Posts
    245

    Default

    after you find the degree of the angle, you cut that in half, thats the angle you set your saw at to cut.

    examples,


    60degrees X 6sides = 360 circle ---- 30degrees actual saw cut angle


    45 x 8 = 360 --- half of 45 is 22.5 thats the actual saw cut you make on the part.
    Anything you could do, I could do better.
    I can do anything better than you!
    Lockheed Martin
    Armco Steel, Baltimore
    USW local #3185

  6. #16
    Join Date
    Nov 2006
    Location
    Lake of the Ozarks MO
    Posts
    3,565

    Default

    Quote Originally Posted by stugots View Post
    lol,,, good eye, i didnt see that,,,, same formula


    51.43 x 7 = 360

    I need new glasses ..... I see 10 sides

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  7. #17

    Default

    You guys crack me up.....

    I am surprised someone didn't suggest working in radians.......

  8. #18

    Default

    Quote Originally Posted by stugots View Post
    after you find the degree of the angle, you cut that in half, thats the angle you set your saw at to cut.

    examples,


    60degrees X 6sides = 360 circle ---- 30degrees actual saw cut angle


    45 x 8 = 360 --- half of 45 is 22.5 thats the actual saw cut you make on the part.
    thanks for clearig that up for me

  9. #19
    Join Date
    Apr 2008
    Location
    dallas,tx
    Posts
    207

    Default

    Quote Originally Posted by arcs_n_sparks View Post
    You guys crack me up.....

    I am surprised someone didn't suggest working in radians.......
    they are trying not to go off on a tangent. Here's your sine
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  10. #20
    Join Date
    Sep 2009
    Location
    Arizona
    Posts
    38

    Default

    figuring out the angle was tough for me at first, but then i had lunch to clear my head, came back and just laid it out in the carport, tweaked it to make then even, tack welded, then checked again. i got one of those angle finder deals from HF, the protractor type that i used to make sure they were all the same.
    oh and it is a 10 sided table
    Flash me, Im a Welder

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