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Thread: How & where to place wood

  1. #1
    Join Date
    Aug 2011
    Location
    Lancaster
    Posts
    10

    Default How & where to place wood

    I have my student carving designs onto top of a cabinet that they are building. I showed that where to clamp the wood (where I always have success) when they run their files the design is engraved in different places each time. what am I doing wrong?

    Thanks for any help
    Rob

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

    Default

    It depends on where the x,y 0 is placed when you originally make the file.
    It sounds like you are setting your Zero point say at the Lower left corner, and maybe they are setting their files with their x,y 0 in the center. or vice versa.

    take two files that, one is right, other is wrong, open them up in whatever pgm you use and look for that difference.

    maybe post a screenshot of the 2 files or the files for someone who has your pgm to check it out.

    Also you or they may not be resetting the table x,y 0 so if you place the 0 at the lower left of material and the lower left corner of the table on say a 12"x12" piece and they set the the 0 in center of material and place the material 24" down the table, it will go back to the original table 0 at the corner
    Last edited by myxpykalix; 12-22-2011 at 09:38 AM.

  3. #3
    Join Date
    Jul 2009
    Location
    , Stony Plain Alberta
    Posts
    105

    Default

    If all of the parts are the same size you can screw some blocks down at the corners of your cabinet top that will not only hold your part in place but also allow you to quickly change out parts without having to re-zero your xy. Doing his will not only save you time but also eliminate zeroing mistakes if an entire class is on the same project.

  4. #4
    Join Date
    Aug 2011
    Location
    Lancaster
    Posts
    10

    Default

    I think I figure out what was going wrong. My students were not resetting the table like Jack mention. The have ran about six pieces with out issues.

    Thank you all.
    Rob

  5. #5
    Join Date
    Mar 2006
    Posts
    7,832

    Default

    I charge a nickel for all right answers so contact me and i'll give you the address of where to send it lol

    glad to help..

  6. #6
    Join Date
    Sep 2006
    Location
    cnc routing, portland or
    Posts
    3,633

    Default

    always check for offset. most files I import are offset by some amount.

  7. #7
    Join Date
    Dec 2007
    Posts
    2,383

    Default

    Quote Originally Posted by myxpykalix View Post
    I charge a nickel for all right answers so contact me and i'll give you the address of where to send it lol

    glad to help..

    do you give a nickel if you give the wrong answer if so you are way behind wink wink

  8. #8
    Join Date
    Jan 2013
    Location
    Cape Cod MA
    Posts
    75

    Default

    we've only had the desktop for a couple of weeks and one 1/2" bit and a lumber pile later we learned to reset the 0,0 prior to cutting as well.

    thanks for this forum! just by lurking around many of my rookie questions are getting answered. The shopBot support was certainly a huge factor in the purchase decision (the great deal on desktops didn't hurt either:-)

    karl

  9. #9
    Join Date
    Jun 2004
    Location
    Springfield Mo
    Posts
    851

    Default 0,0 location

    Sometimes it is simpler to place the material and linework in the design file so it is centered on the point 0,0 ( the material being equal in all four quadrants )

    From there, have the home position set to 0,0

    From there, locate the bit over the center of where you want to cut and call that point 0,0 / Run the cut files.

    Can't hardly miss by too far with this setup.
    The decimal point seems to be the most important on the z axis... x & y not so much....
    ShopBot... Where even the scraps and things you mess up and throw away are cool....

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