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Question #: 13576

Question: What are the table dimensions for the greenBull so I can build it.

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

  • WHAT ARE THE DIMENSIONS FOR GREENBULL TABLE?

    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 DIMENSIONS FOR GREENBULL TABLE?

  • I have just purchased a 4x8 Greenbull system second-hand. Are there any schematics for table dimensions and rail-mounting available so that I can build a table? (previous owner disassembled)

    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:
    I have just purchased a 4x8 Greenbull system second-hand. Are there any schematics for table dimensions and rail-mounting available so that I can build a table? (previous owner disassembled)

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  • WHAT IS SHIPPING DIMENSIONS AND WEIGHT FOR THE VERTICAL LASER.

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  • Can you please clarify what a long Z axis table should look like? I've built a frame that matches the dimensions on the GreenBull page but under long Z it says a custom frame is required made out of steel, which I did. But do I need to have the frame open like shown in the picture or is that just showing what the table looks like under the 3/4 material?

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    Click the link to add information to this solution:
    Can you please clarify what a long Z axis table should look like? I've built a frame that matches the dimensions on the GreenBull page but under long Z it says a custom frame is required made out of steel, which I did. But do I need to have the frame open like shown in the picture or is that just showing what the table looks like under the 3/4 material?

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    BYCNC Response:
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