New 4x4 XYZ Gantry Build - Page 2


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Thread: New 4x4 XYZ Gantry Build

  1. #21
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    Will,
    You said your base was 52.5" along the X axis.

    If you get a chance can you tell me that dimension (edit: length) of the X axis extrusion supplied by XYZ?

    Thanks,
    BobL.

    Last edited by boblon; 08-02-2011 at 07:52 AM. Reason: Added clarification


  2. #22
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    CNC Base

    [IMG][/IMG]



  3. #23
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    Bob,

    You should be able to get the info off the drawing I hope.

    Will



  4. #24
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    Great, thanks Will.
    BobL.



  5. #25
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    Will,
    I think using the 4080 for the legs is a good idea. That should stiffen them up. I feel that mine spring around a bit on acceleration and deceleration. I am also thinking that closing in the sides with some plywood would really stiffen it up and prevent any racking that might occur.

    I hope your extrusion arrives so you can get back at building.
    Bob I am surprised they only have one drawing.

    Dave



  6. #26
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    Will,
    Looking at the drawing you posted it struck me that the 8020 extrusion must be all that if what you posted was the entire base assembly.
    Considering that it is a machine base for a machine that is NOT static that stuff must bolt together very solidly for that simple of a frame to do the job.
    If I can afford the 8020 I will be putting in more legs for other reasons, so mine should work great for a machine half the size of yours. (2'x4').
    BobL.

    Last edited by boblon; 08-02-2011 at 11:49 AM. Reason: Spelling


  7. #27
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    Bob,

    Yes the machine will bolt to the top of the frame like Dave did. I plan on adding some vertical supports I'm making out of baltic birch plywood. I also may inclose part of it also. I have some ideas of what to do but can't until I get the frame and machine mounted on top.

    Will



  8. #28
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    Painting cross beams made from baltic birch plywood to go under top

    [IMG][/IMG]



  9. #29
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    Going to try this for my Y buttons. May not work but was cheap. I think it was a 1/2" nut with washer built in. I bored out the threads so the metric cap screw would fit in. Not knowing how the sensors work I will give it a try

    Will

    [IMG][/IMG]



  10. #30
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    My machine shop....... a drill press Making my Z axis bracket out of 1x1x1/8 alum

    [IMG][/IMG]



  11. #31
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    Z bracket


    [IMG][/IMG]

    [IMG][/IMG]



  12. #32
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    Will,
    I think your parts will work good.
    Is that an M8 hole for your fake prox switch.
    Your machine shop works great. ;-)

    Dave



  13. #33
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    Thanks Dave,

    Yes an M8 to get my spacing sort of worked out



  14. #34
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    Got my electrical today from Jeff at Soigeneris. I am dead in the water on my build. Seams 8020 cannot ship as fast as they say. Can't do anything more till I get my base....... will keep you posted!

    [IMG][/IMG]


    Limit switch box

    [IMG][/IMG]



  15. #35
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    Will,
    Looks good.
    I am around for the afternoon.
    Dave



  16. #36
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    My base came late Friday, packed it in the truck and went to the lake. Saturday morning I put the base together. As you can see I have level casters that will lock the machine down and level at the same time if needed.

    [IMG][/IMG]

    Picture showing casters

    [IMG][/IMG]

    Lower braces

    [IMG][/IMG]

    Will



  17. #37
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    Sunday returned home and did more work. Had to take a few parts off to slide in tee nuts

    [IMG][/IMG]

    Gantry on frame

    [IMG][/IMG]

    4x4 on base

    [IMG][/IMG]

    Adding extra cross members to support table

    [IMG][/IMG]

    Will



  18. #38
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    Will,
    That looks very impressive.
    Those casters are very interesting.
    Your crosspieces look like they belong there. How did to attach them to the side rails?

    That's going to be so nice looking when you are finished you won't want to use it.


    Dave



  19. #39
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    Will,
    I agree with Dave, sure does look nice and those casters look sweet.
    BobL.



  20. #40
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    Thank Dave and Bob,

    The casters are from woodcraft and a lot cheaper than getting them from 8020. I even was able to get them on sale. Dave, the cross members are not attached yet, just sitting there. Will use the angle brackets with tee nuts to the 8020 and lag screws into the baltic birch. Just got back from the store getting the screws.

    Will



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