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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

Respond:

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)

  • WHAT ARE THE SHIPPING DIMENSIONS FOR GREENBULL?

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    Click the link to add information to this solution:
    WHAT ARE THE SHIPPING DIMENSIONS FOR GREENBULL?

  • What are the hole spacing dimensions for the Linear Guide Rail 20mm? I'm trying to figure out what size aluminum extrusion to purchase so I can mount these to it.

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    Weight 511 LBS

    Click the link to add information to this solution:
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  • WHAT ARE THE ROLLER CHAIN LENGTHS FOR GREENBULL 4X

    The roller chain lengths for the greenBull 4x is:
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    Click the link to add information to this solution:
    WHAT ARE THE ROLLER CHAIN LENGTHS FOR GREENBULL 4X

  • Do you have the data sheets for the motors so that I can use the dimensions in my model?

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    Click the link to add information to this solution:
    Do you have the data sheets for the motors so that I can use the dimensions in my model?

  • Can I purchase plans to scratch build the Blackfoot or GreenBull machine

    Unfortunately we no longer include or sell our CNC plans for none of our machines. We will be here to assist you if any parts wear over time, and will be able to replace the parts if needed.

    Charges may be subjected due to time of purchase and cause of wear.

    Click the link to add information to this solution:
    Can I purchase plans to scratch build the Blackfoot or GreenBull machine

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

    Shipping crate size 121" X 36" X 92"

    Weight 511 LBS

    Click the link to add information to this solution:
    WHAT IS SHIPPING DIMENSIONS AND WEIGHT FOR THE VERTICAL LASER.

  • WHAT LENGTHS OF ROLLER CHAIN DO I USE FOR THE GREENBULL 4X CNC?

    The roller chain lengths for the greenBull 4x is:
    - 13 feet for each side of the X axis (total of 26 feet), and
    - 6 feet for the Y-axis

    Click the link to add information to this solution:
    WHAT LENGTHS OF ROLLER CHAIN DO I USE FOR THE GREENBULL 4X CNC?

  • WHAT IS THE SHIPPING WEIGHT AND DIMENSIONS FOR GREENLEAN?

    Shipping crate 121" X 36" X 92"

    Weight 511 LBS

    Additional Information:
    ship in india pls

    Additional Information:
    International shipping rates can be determined by:
    - adding products to the cart
    - go to the cart and enter shipped by address
    - and pressing the calculate shipping button

    Click the link to add information to this solution:
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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?

    There is a multitude of methods to create the table and frame for the greenBull long-z CNC machine, as some of the illustrations are shown on our gB webpage.

    The image with the hollow mid section, is a custom table that will take advantage of the entire long-z axis assembly. So the frame can be built in that manner, however the CNC table should have its 3/4" table top. So you can cut standard sheets of wood, aluminum, plastics, etc.

    So that specific illustration is not needed, however if you plan on cutting at that depth then it will defiantly benefit you to have that frame as shown in the illustration!

    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?

  • What will be the amount of cable carrier that I will need for a greenBull 5x?

    To determine the length of cable carrier you will need for a single axis, measure the axis travel of your machine, divide this by 2 and add 12 inches. The radius of the curl is 2 inches.
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  • WHAT MATERIALS CAN THE GREENBULL MACHINE CUT? LASER ETCH?

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    BYCNC Response:
    Our 40W laser can cut up to about 1/4" materials ranging from wood and acrylic down through lighter materials such as leather, fabric, foam, etc. Speed and final cut are greatly enhanced by an air assist upgrade. We also offer an 80W laser which has approximately twice the capabilities of the 40W.

    Additional Information:

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    - Thickness: .31 inches or 7.89 mm

    Thank you for this question as it caused me to update the description:
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    Click the link to add information to this solution:
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  • what are the dimensions and model number of the 3/8" ID roller bearings on your website?

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  • What are the overall dimensions of the 2.5A small stepper drivers? Is there a CAD model available?

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    Currently we do not have a CAD model on hand.

    Click the link to add information to this solution:
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