If there is play within the motor itself, then that motor may be defective. Call us to provide us more detail on this issue.

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I have NEMA 34 motors for a GreenBull 6x12. After 2 weeks of use, my Y axis motor has developed play in the front but not rear of the motor. Is this a motor defect or has something come loose somewhere? Thanks,

This would totally work for that application. This cable carrier is used for any object that needs to move and carries some electrical or tubing within it. This cable carrier is great for cable management where you want to make sure the wires and tubes are in a position that you set, not where the wires and tubing want to go.

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[311] I am looking to use this type of thing with a pipe for theater. Where the pipe can be lowered and it would have electrical and signal cable inside. Is this good for that or should I look at something else?

Please contact customerservice@buildyourcnc.com so we can assist you.

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I ordered the 3-axis medium stepper motor kit. The drivers i recieved were those for the 3-d printer main board, not the modular ones. How am i suppose to wire that up now?

This turned out to be a side-effect of the "foot logo" now being bored entirely through the gantry legs. On first inspection this made the two legs identical. I didn't notice that the hole for the X axis axle was bored out to 5/8, but only on one side. Not too surprisingly, I installed them on reverse sides.

Pulling the legs off and swapping the side they were mounted on fixed the problem. I would suggest adding a note to the building instructions page to avoid this annoying problem.

On the good side, the X axis now rolls much more freely on its rails after un-mounting and re-mounting the legs.

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Good catch and thank you for the information. We will clarify this on the video.

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At 3:29 in the video "blackToe version 4 2x4 step 9 0001" it shows you inserting a bearing into the hole that the x axis shaft exits the router. That hole is 3/8ths on my parts. No 3/8 OD, 1/4 ID bearing came with my kit, but I do have a 5/8 OD, 1/4 ID bearing. Should I bore out the hole to 5/8 so I can insert those bearings?

The greenBull 4X comes with all of the components and electronics to assemble the gantry of the machine. You will need to build the table. We provide the rails and roller chain for the X-axis (along the length of the table for full 8 feet of travel). You will need to provide some wire to connect the electronics and a computer to run the machine. You will also need to purchase the software that you will need to run the machine that matches how you will apply the machine. We suggest the mach3 control program. The CAM program is up to you as there are many options out there.

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I am interested in buying the greenBull 5X Long Z CNC Machine Kit, but it is not clear for me what is included in this kit. Is there anything else I need to get the machine work?

That is correct. We send the fewer ribs than could be fastened within the gantry. One reduction of a rib will provide more space for the motor at the midpoint of the gantry and at the other side of the gantry (opposite the motor) can be reduced to provide more space to work with the coupling.

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I'm assembling the gantry for a 5x10 greenbull and noticed that there are 9 spaces for torsion spacers but only 7 in the kit. Should I just space them out on the right side behind the motor?

I apologize but the gantry legs will only be able to accommodate 3/4" thick table top (gantry sides to be specific(https://buildyourcnc.com/blackFoot48v40.aspx#prettyPhoto/28/)).This is due to the available adjust ability on the gantry legs between the v-groove bearings that ride on the top X-axis rails, and the ones that tighten on the lower rails.

The Y-axis (width of the table) will have no problem with the table top being thicker, but the X-axis rail screws and gantry legs will not accommodate the 1"- 1/2" table top.

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From your assembly instructions, it appears your table top is 3/4 thick. I planned to use a thicker table at 1 1/2 thick. I realize I will need longer bolts to attach the x-axis guide rails, but will the y-z gantry adjust for a table that thick? I am building a BlackFoot.

The size of the stepper motor is measured in holding torque, generally oz/in. You will determine the torque loads of your axes when selecting steppers. Once you know which stepper you need, the drivers and controller board are simple to pair with them.

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I'm trying to build my CNC router 3m*1.3m, but i'm not sure what is the type of stepper motor i should pay, all my CNC body is Al. I need to bay 4 Stepper motors, 4 drivers, spindle, inverter, and i don't know what is the type of controller ?

We will provide shim washers as a part of machine assemblies, but when purchasing lead screw and bearings, the shim washers must be purchased as well. Please give us a call and we can send them out.

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I just ordered a 1/2" lead screw and bearings, etc. But I don't see any 1/2" shim washers for those bearings. If you have any, please toss 8 of them in the shipment and I'll gladly reimburse you.

Sure, let me check.

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Your order was shipped out on Tuesday (10/20/2020). I noticed that your email was not stored in the customer record when the order was made. I will send you the tracking number via email now.

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Placed an order for the cable set for the Pokeys57cnc interface on 10/20 but it is not showing up in My Account as being ordered. It was charged to my credit card and I have not had any info that it was received by you.

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!

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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?

Did you set them up as limit switches or home switches?

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Not sure where do I check that?

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Go to config, then ports and pins, then input signals.

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The limits are labeled x++, x— for example.

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I'm using Mach3. I have 2 limit switches on X, 2 on Y and 1on Z for retracted/home. I can go to diagnostics and see the switches/inputs working. But when I move with jog or gcode they have no effect. Also I can go right past the soft limits. I must have something turn off but I don't know what.

The greenBull kit (not the assembled) will need the table (the rails for the table is supplied), wires/cables for the stepper motors and stepper motor drivers, smaller gauge wires for digital wire connections (limit switches, drivers to control interface, etc), wires for the spindle connection to the VFD, tubing for water flow to and from the spindle, and a pump and reservoir (we are just about to introduce a small pump/reservoir/radiator/fan system for use with the spindle. The VFD/spindle, stepper motors/drivers and interface board are included.

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If I understand correctly, the greenBull kit comes with a spindle and laser. What else do I need to have a working machine. Obviously a table, do I also need the computer, software, wires, pump and plumbing, electronics, VFD, steppers and controllers?

We may be able to source those motors. Curious, the 6000 oz-in motor is pretty big. Do you mind explaining the application of the CNC machine and the structure that would require the large motor?

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The largest motors we can offer is 3900 oz-in without any mechanical help. 6000 oz-in can be resolved by mechanical means as an alternative.

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I am converting a 12x36 lathe over to CNC, I am interested in a 2 axis kit. I would love one stepper motor to be no smaller than 1200oz. , and another at 6000z. Is this something that you could offer? I have two other cnc machines but this is my first converstion on my own.

This is a good video on how to do a vacuum table

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Do you have any videos or plans for how to make a strong table for a large CNC router? I saw the torsion box videos but would like some more guidance on how to build just a good table.

If you received fewer parts than is called for in the instructions, we will send the proper parts to you. Please call us to have these parts sent to you.

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I ordered the blacktooth laser cutter, there were only 4 red spade terminals, but the instructions pictures show that there should be more and would include blue spade terminals

For safety's sake I would recommend a new board because they are inexpensive compared to the electronics that they support. Alternatively, it's possible that the one dead pin is a simple fix, such as a bad connection or solder joint; if you feel comfortable making those repairs then it could be worthwhile to check. Finally, if you are not using all the input pins, you could continue to operate the limit switch on pin 11 and hope for the best.

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I have a breakout board and it appears that the pin 12 connection has failed: when i move my limit switches to pin 11 they work; they don't work on pin 12. Do i need a new breakout board?

Yes, if you have an ordering or shipping issue, please call us during our normal business hours and we will personally look into the issue.

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Hi I have ordered the ARM Microcontroller Beginners Kit (STM32F0) on the 23rd of April but the shipping has still yet to arrive. I did not create an account at the time of purchasing and I am not in the address I provided anymore. May I know how should I go about this problem

That will depend on the controller that was installed in the redFly. If the controller is a pokeys57CNC controller, you can use Mach 4 with that system.

You can add a 4th axis and an ATC (Automatic Tool Changer) with the redFly system.

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Does the Redfly that I bought with the GreenBull in 2016 work with Mach4? Also I want to add a 4th axis and a spindle with automatic tool changer. Will this work too or do I need a new control board? I bought my CNC with a longer Z travel, so I have plenty of room for these. Thanks!