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Question #: 13488

Question: table dimensions for large format 4' by 8' greenbull?

Current Solution

Actual table dimension: 4'x8' is 56.078"x 121.50" (the overhang in the illustrations should be 3/4" thick)
To determine the frame dimensions, first consider using the frame height shown of almost 3' (2.86'). The width of the frame should be 4" narrower than the dimension from rail edge to rail edge (6X rail to rail is 80.078"). This will provide a 2" overhang on both sides (4X frame width should be 56.078").
The length of the frame should be 4" shorter than the desired length of the rails to provide a 2" overhang on both ends. The travel length will be 20" shorter than the rail length due to the space occupied by the gantry sides.
Two long pieces of 3/4" material will need to be placed on top of the frame with the 2" overhang on the sides and the end. These long strips of material will receive the rails and the chain mounts on the ends.


Link:
https://www.buildyourcnc.com/Item/cnc-machine-greenBull-v4-4X

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Other Possible Solutions to this Question

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    Actual table dimension: 4'x8' is 56.078"x 121.50" (the overhang in the illustrations should be 3/4" thick)
    To determine the frame dimensions, first consider using the frame height shown of almost 3' (2.86'). The width of the frame should be 4" narrower than the dimension from rail edge to rail edge (6X rail to rail is 80.078"). This will provide a 2" overhang on both sides (4X frame width should be 56.078").
    The length of the frame should be 4" shorter than the desired length of the rails to provide a 2" overhang on both ends. The travel length will be 20" shorter than the rail length due to the space occupied by the gantry sides.
    Two long pieces of 3/4" material will need to be placed on top of the frame with the 2" overhang on the sides and the end. These long strips of material will receive the rails and the chain mounts on the ends.


    Link:
    https://www.buildyourcnc.com/Item/cnc-machine-greenBull-v4-4X

    Click the link to add information to this solution:
    what are the table dimensions for 4' by 8' heavy duty greenbull?

  • table dimensions and clearance for 4' x 8' greenbull (torsion box)?

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    Click the link to add information to this solution:
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    Actual table dimension: 4'x8' is 56.078"x 121.50" (the overhang in the illustrations should be 3/4" thick)
    To determine the frame dimensions, first consider using the frame height shown of almost 3' (2.86'). The width of the frame should be 4" narrower than the dimension from rail edge to rail edge (6X rail to rail is 80.078"). This will provide a 2" overhang on both sides (4X frame width should be 56.078").
    The length of the frame should be 4" shorter than the desired length of the rails to provide a 2" overhang on both ends. The travel length will be 20" shorter than the rail length due to the space occupied by the gantry sides.
    Two long pieces of 3/4" material will need to be placed on top of the frame with the 2" overhang on the sides and the end. These long strips of material will receive the rails and the chain mounts on the ends.


    Link:
    https://www.buildyourcnc.com/Item/cnc-machine-greenBull-v4-4X

    Click the link to add information to this solution:
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    Additional Information:
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    Actual table dimension: 4'x8' is 56.078"x 121.50" (the overhang in the illustrations should be 3/4" thick)
    To determine the frame dimensions, first consider using the frame height shown of almost 3' (2.86'). The width of the frame should be 4" narrower than the dimension from rail edge to rail edge (6X rail to rail is 80.078"). This will provide a 2" overhang on both sides (4X frame width should be 56.078").
    The length of the frame should be 4" shorter than the desired length of the rails to provide a 2" overhang on both ends. The travel length will be 20" shorter than the rail length due to the space occupied by the gantry sides.
    Two long pieces of 3/4" material will need to be placed on top of the frame with the 2" overhang on the sides and the end. These long strips of material will receive the rails and the chain mounts on the ends.


    Link:
    https://www.buildyourcnc.com/Item/cnc-machine-greenBull-v4-4X

    Click the link to add information to this solution:
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    Previous Solution:
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    Previous Solution:
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    Click the link to add information to this solution:
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    Previous Solution:
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    Click the link to add information to this solution:
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    BYCNC Response:
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    Click the link to add information to this solution:
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    Click the link to add information to this solution:
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    Users response:
    I've lowered my acceleration to 1 in the StepCon program and it still shutters when I jog it, anything else I could check?

    Buildyourcnc response:
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    Buildyourcnc response:
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    - Remove the x-axis motor wires from the X driver.
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    Buildyourcnc response:
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    Problem is now solved, I switched the X and Y at the redFly and got the same problem, so then I undid the wires going to each motor and switched them there and it I had a bad solder point in the X axis connector, thank you for the help

    Buildyourcnc response:
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    Click the link to add information to this solution:
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    Click the link to add information to this solution:
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