Please contact sales@buildyourcnc.com for a custom quote.

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I want to build a 4 x 4 plasma table. I am not good with the electronic parts of the system. What would you recommend as a turn key electronics package? I also want to build it with chain drive

Any of the following power supplies will be fine for powering the Mach3 USB controller:
https://www.buildyourcnc.com/item/24v

however, the limit switches do not need high current, so the following power supply is sufficient for the task of connecting limit switches:
https://www.buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc

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What power supply do you recommend for the spindle and limit switches if I buy the USB Mach3 breakout board?

That depends on a few factors. In most cases, three 3.0 amp motors and drivers will not exceed 8.8 amps of available current. All of the motors would need to be at full torque to reach the 9 amps (3x3). This depends on the mechanical method you are using for each motor, and how you are using the machine. In most cases, only two motors are moving at a time (i.e. 3D carving where the X and Z are moving simultaneously and the y only moves to go to the next row). In traditional cutting profiles, only the x and y are moving simultaneously and the z-axis moves at the location it needs to start cutting the next layer.

With that said, it is ok to add an extra power supply if you feel you need more available current.

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[810] Is this a closed loop motor? What is the recommended driver and power supply for this stepper? Would you recommend using one power supply per motor pair or one power supply per motor?

The Mach3 USB interface board requires 24V relays externally. There are no relays on the mach3 usb board. If you use an external relay on the mach3 usb board, the relay connects to the V+ which is 24V and the output pin is the return.

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I understand what you are saying. Does your relay board work with the Mach3 USB board? If not, what relay board do you suggest to work with this usb controller?

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Our relay board works with our parallel breakout board. An off the shelf SSR (Solid State Relay) made for 24V should work fine.

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I bought a 'BuildyourCNC V1' relay board to go with my mach3 usb controller. I have been sent a 'Songle' relay. It's not the one in your picture and it's got different connections, for which there isn't a wiring diagram. The one I ordered says it is 5v, this one seems to be saying it's a 24v unit. Can you please explain what has happened? Thanks

The Mach3 USB interface board requires 24V relays externally. There are no relays on the mach3 usb board. If you use an external relay on the mach3 usb board, the relay connects to the V+ which is 24V and the output pin is the return.

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I understand what you are saying. Does your relay board work with the Mach3 USB board? If not, what relay board do you suggest to work with this usb controller?

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Our relay board works with our parallel breakout board. An off the shelf SSR (Solid State Relay) made for 24V should work fine.

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I bought a 'BuildyourCNC V1' relay board to go with my mach3 usb controller. I have been sent a 'Songle' relay. It's not the one in your picture and it's got different connections, for which there isn't a wiring diagram. The one I ordered says it is 5v, this one seems to be saying it's a 24v unit. Can you please explain what has happened? Thanks

Yes, the Mach3 USB controller will work with the latest Windows version and in 64-bit mode. The 32-bit mode is only relevant for using the parallel port driver if you are using a parallel port breakout board. Since this controller is connected via a USB cable, the 64-bit state will work fine.

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[575] I have a 64 bit Windows 11 laptop. Will this interface board work with this? If not is there an option you can suggest.

Adding a laser tube and supporting electronics and mirrors to larger milling machines is problematic unless a proper mount is provided, as in the greenBull CNC (https://buildyourcnc.com/item/cnc-machine-laser-spindle-combo-head).

The existing larger machines (other than the greenBull CNC machine) are designed to be used as milling machines and the laser will not be able to be easily mounted on these machines. Modifications can be done to accomplish this task, but there is quite a bit of effort needed.

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If a person wanted a larger laser machine than what is offered would they simply mount a laser on one of the larger machines, or is there a problem with doing this?

What is the weight of the gantry, number of teeth on the drive sprocket and tooth pitch?

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I build a 3 axis router CNC the gantry is heavy in aluminium plate, witch plug n'play kit you suggest me 1 or two motor on the longest axis this will be drive with chain?

Absolutely, I can answer this type of question and anything other questions you may have with your new-to-you CNC router.

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[789] Can you help me with selecting a power supply ( and a few other components ) for the stepper motors that came with a homemade CNC Router I just purchased.

BYCNC Response:
This is correct. You will need to use a method appropriate for the software you are using. Also remember that NC switches are typically wired in series, while NO switches are normally wired in parallel.

User Response:
I am using the cnc planet software for your USB board. Are the limit configurations in this software?

BYCNC Response:
Yes, Planet CNC software is compatible with the use of limit switches. Configuration information will depend on your specific application. You can view Planet CNC's information here: http://www.planet-cnc.com/files/CNCUSBController.pdf

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LIMIT SWITCHES FOR AXIS. THE PRINT SHOWS THAT YOU CAN WIRE LIMITS EITHER N.O. OR N.C. SO IF THIS IS CORRECT I WOULD NEED TO TELL BOARD IN SOFTWARE HOW LOOK AT THESE LIMITS, I'M GOING GET AN INPUT LOOSE DEPEND ON IT.

Consider the loads on each axis when choosing appropriate stepper motors. If your holding torque is maxed out at roughly 16oz/in (1lb/in), then you could use the NEMA 11 or 14. Also consider the shaft sizes and current ratings when choosing drivers that pair with the motors.

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I am planning to build a scratch CNC machine to do rotary engraving on writing pens. Can you recommend the parts I would need? I'm thinking NEMA 14 (11?) and 3/8" acme rod. Not sure which linear motion to use. I have an old lathe to use for the 4th axis.

Yes, you will need a sensor to determine the speed of the rotation. For instance, you can use a hall effect sensor and put a magnet on the shaft of rotation. By installing the hall effect sensor near the shaft that contains the magnet, you can use this to determine the RPM of the axis and reflect this value in Mach3 using an input in your controller and setting that input in the index line item of the Mach3 input signals dialog box.

Here is a great video that shows the circuit and process:

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You can set the Index input with Mach3 Turn and check that the Index is lit on the screen, but it is not reflected in the rotation speed. Is there any way?

You can control our 40W laser power supply (which controls the laser tube) with an Arduino, if that is your intention. The trigger for turning the laser on and off uses a 5V level. To control intensity, you can use the Arduino PWM output. If you want the Arduino to move the machine as well (providing pulse trains to each of the stepper motor drivers) then you will need to make sure you consider the processing speed of the Arduino so you will be able to run the stepper motors at the speed you need for the laser engraving/cutting.

Our laser controller do all of these functions. Here is a link to our laser control system:
https://www.buildyourcnc.com/item/Laser-Component-Laser-Control-System



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Thank you! I am building a 3 axis cnc/ engraver and I think this would be a good option as well as the router head and the 3d printing head. How heavy is the tube? I may mount it directly onto one of the axis of the machine to eliminate the need to line up all three axis, similar to what you have with your xl engraver.

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The tube isn't that heavy, but when filled with water, it can get up to a few pounds. The key is to use the axis moving the nozzle for engraving as this requires fast back and forth motion. The cutting is generally dependent on the axes moving from vector to vector at a relatively slow motion, so this is not a problem.

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I would like to build a low cost laser engraver/ cutter, can your 40w laser power supply be controlled with an arduino or is it only controlled by the controller sold here?

You can do raster and vector engraving on the greenBull laser/spindle combination. The methods of this process is not accomplished in the same way as the typical laser machines where CorelDRAW is used. The Mach3 laser plug-in can be used for the raster engraving and standard CNC g-code can be used for vector cutting and engraving.

The raster method will not be fast on the greenBull since the z-axis is heavy and there are inertial limitation on doing fast raster back and forth movement. Vector is the best use of this machine.

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I am looking at purchasing the greenbull 5X system with the laser/spindle combination. Can the laser do both rastered engraving as well as vectored cutting with the same breakout board and software? If I have this wrong please let me know what would be needed to accompish this.

The leadscrew length for the greenBull long Z-axis is 47 inches.

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BUILDING ONE OF YOUR GREENBULL 6X LONG AND 2.2 KILOWATT SPINDLE DOES NOT FIT. SEEMS LEAD SCREW YOU SENT WITH KIT IS SHORT 42" LOOKS LIKE IT NEEDS TO BE 5 OR 6 INCH LONGER. THIS CORRECT? WHAT THE NEEDED LENGTH FOR UNIT?

it is possible to install 2 motors on a single axis but you will require another driver and motor, but wire it directly to the same pins on your breakout board. Also the orientation of your motor since it is opposite side of the original so getting it to move accordingly to the original motor it will need to be orientated correctly. The slight shift could be the cause of the rod not being completely flat where the set screws are suppose to tighten the sprocket to the rod, so sanding it to a flatter surface might fix the shift in directions.
Currently do not have a kit or schematic available.

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I am interested in your Black Toe (24" X 48") machine, and am wondering if using two medium motors on the "X" and "Y" axis makes sense relative to power and alignment (racking). What would you recommend?

All the options for and variations of our blackTooth laser cutter/engraver are available on our website here https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto. The wiring diagram is available here: https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto/0/
We do not offer plans or a bill of materials for our machines at this time, but if you are interested in doing your own from scratch you can learn a lot about the design and build process from our tutorials. We wish you success in your endeavors.

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How can i get a complete list of all the components (electronics) I need for a CNC laser cutter with the laser controller? A wiring Diagram would probably be very helpful.

The files and hardware option for our machines has been removed from the site due to the following reasons:
Difficulty for the end use of the files and the challenges (and time/money) on our side to assist in using these files.
The abuse of these files over the internet.
Ultimately may reduce the sales of machines keeping us in business.
Sadly, this is what has come out of our company attempting to be open; however, the machines sold on this site is still far lower in price than the competition for the quality that we provide as we have a great desire to engender the cottage industry to fulfill their need for low end manufacturing. My sincere apologies if this causes any inconvenience.

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NO, is not possible, I can help with the shipping cost

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Is it possible to buy just the electronics and hardware for the bigfoot along with the plans for the timber components so that I could have them cut here in the UK and reduce the amount of material that needs to be shipped?

The best machine due to the width, will be the greenBull 5x which would have a cutting surface of 5' x 10'. Also our machines with spindle are accurate for 1000's of an inch, and can do 45 degree angle cuts.

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I build custom speakers and I work primarily with 5'x5' sheets of 9 ply (1/2") and 13 ply (3/4") plywood, but I occassionally cut 2" nominal thick wood as well. What kit would you recommend? Are your systems accurate enough to do angle cuts (45 deg?) thanks