Yes, if the power supplies were supplied by us, we will exchange them with 110v equivalent power supplies.

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Hello, I am a student working on a CO2 laser. We recently ordered two 40watt CO2 laser tubes and two 40 Watt CO2 Laser Tube Power Supply at 220V. However, our school is unable to use them due to being 220v. Is it possible to exchange these for the 110v supply, or is there a way we can go about connecting it at 110v instead of 220v? Thank you.

The blackTooth laser power supply will use 4 - #8 x 1" screws, and 4 - #8 nuts. As stated on step 10 here (https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto/10/)

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I am building a blacktooth. I don't see in the instructions what screws are meant to fasten the power supply to the wood. The instructions show how to wire it but I don't see where it says which screws to use. I don't want to guess and end up being short later. Thanks. .

We have the image at that size to encourage the purchase of the kit from us. This helps to keep buildyourcnc alive and allows us to fund development of other awesome low cost machines.

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could you make available a larger size picture of the exploded view of the BlackTooth laser cutter? I would like to use for reference when building my laser cutter, but it is too small to be really useful.

VCC is the same as 5v. I will clarify on the instructions.

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In the BlackTooth instruction the concluding sentence suggests connecting a wire from the right terminal of the pot to the VCC on the Laser Supply. There is no VCC on the power supply for the Laser that I can find. So, does this wire go to a different terminal on the power supply, or somewhere else where VCC exists, such as either stepper motor control?

There is some variation in the outward appearance of laser power supplies due to sourcing through different vendors. However, the basic wiring requirements are the same in each case. For the unit with integrated laser controller, follow the diagram found here: https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto/0/. The terminals on the signal side will have a 6 connection terminal block -- these are the ones labeled 5V, IN, G, P (or WP), L (or TTL-L), and H (or TTL-H). The High Power side will have 3 inputs for AC power, one high voltage lead, and one return line. Connect these as shown in the diagram as well: the return line goes on the "front" (beam exit end) terminal of the laser tube, the high voltage lead goes to the "back" terminal of the tube, the FG terminal (or G) receives the earth ground wire of the AC power cable, and the two AC terminals receive the line and neutral wires of the AC power cable (it doesn't matter in this case which wire goes to which terminal).

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I purchased the blackTooth Laser Engraver with integrated Laser Control Unit and have been following your instructions. I noticed that the laser tube power supply is different that what is shown in your instructions. Do you have any better wiring guides that I can follow for the version that I received?

Stepper motors are known to make noises while function, however this does not affect accuracy or job function. However we recommend to check your wiring for solid connections, and for good connectivity!



On a personal note, here is one cool video dealing with making songs with stepper motors!

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I bought and built the Blacktooth laser cutter. It works, but one of the stepper motors makes a loud static hiss a second after the CNC power supply is turned on or off, and makes loud tweets and twirps when running. It seems to operate fine otherwise. I was wondering if it was "going bad" or if that is normal?

Hour meter. This will tell you exactly how long your system has been 'on' giving you a more accurate bead on the length of your tubes life.

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WHAT CAN ADD TO MY BLACKTOOTH LASER CUTTER MEASURE THE TIME OF USE?

The blackTooth's 40 watt laser tube can be cooled with simple tap water. A bit of anti-freeze keeps the tap water clean and free of algae. The cooler the water, the better output you will get from the laser. A great source of information can be found here: http://www.buildyourtools.com/phpBB3/viewtopic.php?f=8&t=3452

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What kind of cooling system should we set up for the Blacktooth laser cutter laser tube? Can tap water be used? Is water temperature critical?

We recommend using an extension cord, or some other 3 conductor power cable, that is at least 16 AWG. Cut the end of the cable off, and then strip to expose the three wires, typically white, black and green. Connect the black to L (called Live), white no N (called Nuetral), and green to the 3rd place from the right, that has the three line symbol for Ground. Our supply has a red switch on the side. When looking at the terminals, it will be on the right hand side of the supply. make sure that you have selected the proper input voltage with this switch. Either 220v (used mainly overseas) or 115V (for typical North American power)

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I bought a 36V power supply through you, and when I connected it to the wall outlet, it measures in the mid to high 70 Volt range. I then bought one on-line, and got the same result. When I test the line voltage, it reads 111V, so I believe the multimeter is working properly. What am I doing wrong?

If your country requires 220 volt peripherals (water pump or air pump) for the blackTooth laser system, then we will either send the 220/240 volt equivalents, or we will have them drop shipped from another location in your country, or a country with compatible power requirements.

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What's the cure for 110 volt pumps (air and water) and a 110volt laser power supply, in a Blacktooth Kit sent to Australia, where 240 volts is pleasingly normal. The fan and other power supply are 220 volts.

You can use our shopping cart to determine the shipping. Add the machine and the parts you want to purchase, enter your shipping address and click on the Calculate Shipping Button to get a price for shipping. The shipping charges are determined directly from the carriers at the time of pressing that button.

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Hi, I live in Australia and am looking at purchasing the Blacktooth laser cutter and engraver. I am wondering what the cost to ship to Australia would be?

I just posted the "enhanced" Blacktooth wiring diagram I developed. Check it out here.

http://www.buildyourtools.com/phpBB3/viewtopic.php?f=12&t=4872

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Where do I wire the ground of my "th" and "power 0v - 5v" command on the power supply ? Is it possible to have a detailed blueprint of the electrical wiring (not for the blacktooth but in general) ? Many thanks :)

To verify, you are still getting the laser tube to fire, but the laser beam is weak and cannot cut or engrave any materials correct?

Have you checked your tube's tungsten post terminals to make sure they are getting good contact?
The Laser tube and laser power supply both have manufacture warranty, please email customerservice@buildyourcnc.com for further assistance.

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Hello, I have a blacktooth laser cutter, the machine has 10hrs of work, suddenly in the middle of a job the laser beam lost all power, I can still se the purple plasma beam but with no power or intensity, the tube is fine, water is running through and there is no arcing to the chasis or some other part. I think it might be a faulty PS how can I test it, Do I have a warranty on it?

As shown in the instructions the laser tube that was used was a different model which had the metal end, compared to our full glass tube models we currently ship with the machines.
So there is no difference besides appearance between the two tubes.
The focus lens should be placed in the laser nozzle assembly and not on the laser tube itself.


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I bought a blacktooth laser from you about a year ago.. I am finally getting around to installing the laser tube and I noticed that my tube does't have the metal end on it like all the pictures I've seen. is this a focus lense and can I purchase one?

We can supply all of the laser components, but you will need to determine how to mount the components.

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Alternatively, you can purchase our greenBull machine that has the laser/spindle combo head. You can see the laser/spindle head here: https://www.buildyourcnc.com/item/cnc-machine-laser-spindle-combo-head

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Can you supply a "KIT" to convert my 4060Z CNC to a Laser Cutter? What is the difference capabilities between the 40Watt and 80Watt?

We can supply all of the laser components, but you will need to determine how to mount the components.

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Alternatively, you can purchase our greenBull machine that has the laser/spindle combo head. You can see the laser/spindle head here: https://www.buildyourcnc.com/item/cnc-machine-laser-spindle-combo-head

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Can you supply a "KIT" to convert my 4060Z CNC to a Laser Cutter? What is the difference capabilities between the 40Watt and 80Watt?

Hello, I was wondering if the Blactooth laser cutter can engrave in 3d, different depths in the same piece of wood?

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I was wondering what the max depth is for something to go into the 40W C02 Laser cutter and engraver with blacktooth

The on/off laser control for the blackTooth laser system is controlled by software. Software controls a digital trigger on the laser power supply that turns the laser on and off.

Our blackTooth works more like a CNC machine where g-code is used as the instructions to cut and engrave. Generally, CNC machines have a z-axis that moves up and down. When the z-axis is moving down, the end mill (cutting tool) is penetrating the surface of the material to be cut. We use this same technique to control the laser on and off. If the z-axis is in the down state, the laser is on. If the z-axis is in the up state, the laser turns off. All of this is automatically generated in the g-code when the machining operations are created in CAM software. This eliminates the need for an expensive laser controller board; however, a traditional laser controller board can be used with our system.

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I am looking at purchasing a blacktooth laser system but after reading some of the post I am unsure if laser power is under software control. Is laser power ( on/off) directly controlled with the off the shelf hardware and software

For the integrated computer for the blackTooth, the hard drive doe not need to be formatted, but will require an OS (operating system) to be installed. Ubuntu Linux can be installed with the CNC integrated software from Linuxcnc.org. Windows can also be installed.

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I am building the Blacktooth with integrated computer, which consists of a motherboard and hard drive. Does the hard drive need to be formatted or any form of OS loaded onto the integrated computer?