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  • blueChick v. 4.2 CNC Machine
    Available in two sizes 1'x3' and 1'x2' routing areas.
  • Mechanics to Minimize Backlash
    Running on tensioned roller chain to eliminate backlash and small drive sprockets to increase mechanical precision.
  • Cable Carriers
    Perfectly manage the cables and hoses with these cable chains.
  • greenBull CNC Machine
    If you need BIG, we've got BIG. Available in 5 foot and 6 foot widths. Make it as long as you want!
  • Spindles and VFDs
    1.5 kW, 2.2 kW and 4.0 kW available. Also see our 1/8", 1/4" and 1/2" ER-20 Collets
  • blackTooth Laser Cutter and Engraver
    New and coming very soon, lasing all kinds of materials.
40 Watt CO2 Laser Tube Power Supply

Connect this power supply to a 40 Watt CO2 Laser Tube to create the lasing. We have these for 115 or 230 volt mains. All of the parts shown in the image are included: red wire extension, green wire terminal for adjusting the intensity and turning on and off the laser.

The intensity of the laser can be adjusted with a 5k potentiometer, or you can provide a PWM signal to adjust the intensity.

Related Tutorials

Step 26: Power Supply Part 2
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. This video will conclude the power supply circuit build. We left off at the capacitors and now we need to add the next capacitor. Two in all, and the capacitors will be connected in parallel. This will give me a relatively nice direct current (DC) voltage, which is our goal.
Step 25: Power Supply Part 1
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Now, we get to the fun part. We get to play with electricity. Well, it's probably not something you want to play with. In fact, be extremely careful. I'm going to provide information that, if not treated with care and respect, is lethal. For those that do not know what lethal means, here is a definition: Lethal = Death. In this case, it's not like quick painless death, but the slow-shocking-melting kind. I've touched 110 volts of house current before, and it's a weird but ugly feeling. Your body understands what alternating current (AC) really means.
thumbnail: Glass etching using the blackTooth laser by Dustan Webb Dustan Webb's Laser Cutter and Engraver
Update: Check out Dustans new glass etching.

Dustan sent a few images of new things he is cutting and engraving using his blackTooth Laser Cutter and Engraver. The examples he is showing are 3D puzzles of a fly and a dragon. He also produced some functional boxes (with lids that open and close) with designs engraved on the top of the boxes. Also, check out the new paint on his machine. He decided to paint his machine bright red with black edges.
thumbnail: Cutting and creating a box using the blackTooth laser cutter (from CAD to Product) From CAD to Product using the blackTooth Laser Cutter
Here is the complete process (overview) on how to create create a box with using the box joint (finger joint) method. The overview will explain the process of drawing the sides of the box in CAD, applying the machining operations in CAM and finally cutting the parts with the blackTooth laser cutter and engraver.
thumbnail of small T-Rex laser cut with the blackTooth laser cutter blackTooth Laser Cutter/Engraver First Cuts/Engravings
The feedback is coming in from the first customers that purchased the blackTooth laser cutter and engraver. I will post these first cuts and engravings on this page. If you have a new blackTooth laser system, please send us a video of your machine in action. If you have a tip to share, include that information as well.
thumbnail of Evaristo's digital display for his blackTooth laser engraver/cutter Evaristo R and his blackTooth Modifications
Evaristo purchased one of our blackTooth laser cutters and he added a modification that I believe to be quite useful. The blackTooth comes with a potentiometer to control the intensity of the laser, but Evaristo wanted to add a device to be able to see the measure of this intensity level.
Thumbnail: Determine Laser Nozzle Focal Length How to Determine the Focal Length Measured from the Tip of the Nozzle.
Here, I describe one technique to determine the proper level of the nozzle so you can get the optimum focal length form the tip of the nozzle, not from the lens within the assembly. Trying to determine the length from the lens to the surface to be lased is very difficult because the lens is hidden within the assembly of the nozzle. This technique will allow you to determine this distance from the tip of the nozzle to the working surface.
Alden G's CNC Machine and Narrative
I have seen many builds based on the step-by-step instructions on this site, but when I see the the DIY community start to mix the ideas of one CNC machine with another, I get really excited. To take a machine and introduce concepts from another machine, like timing belt mechanics, is clever and welcome. Alden also is very creative with where he positions the drivers.
Closeup allegro 3979 3 axis stepper motor driver board 3 and 4 Axis Stepping Motor Driver Board Based on the Allegro Chip
So, what exactly is a 3 and 4 axis stepping motor driver board. Actually, I am presenting the 3 axis stepping motor driver board in this article, but there is another much smaller board that will connect to this one that will provide an additional driver, making it useful for those wonderful 3D projects that use an indexer.
DIY Coupling: A coupler for the motor and lead screw (from Marc K.)
This creative coupling solution comes from another generous user of the site. He has devised a way to couple the motor to the leadscrew with standard aluminum tubing. Marc has graciously allowed me to show you this creative idea.
Step 20: Stepper Driver Part 1 - Resistors
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Well... here we are, finally getting started with the electronics portion of the video series. The entire structure of the CNC machine is complete with the exception of the router mount. We will get to that a little later. For now, we will start on the assembly of the HobbyCNC 3 axis chopper unipolar stepper driver.
Step 17: Y-Axis Motor Mount
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Instead of using allthread for the lead screw and a standard nut, consider using a 5 start lead screw and anti-backlash nut. It will keep you from pulling out your hair by running much smoother and faster. We are down to the wire! For the structure of the machine, we only have the three motor mounts remaining. We have recently completed the last two screw assemblies (x and y). The machine now is stiff as an MDF board and won't move anymore. It was more fun without the screws, wasn't it. Now we need to add a method of spinning power to these screws. We can't just use our fingers to turn the screws, but we could attach steering wheels if you're looking for a manual routing machine. We won't be able to call it a CNC anymore, however.
Step 27: Y-Axis Motor Wire Connections
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Now we come to the wire connections. To describe the bigger picture, first mechanically, the motors must turn the screw to provide linear power transmission (movement back and forth). The motor needs power to turn the motor shaft, so the motor connects to the driver board that will accept three motor connections, one for each axis. The driver board is connected to a power supply to provide power to the driver board. The computer is also connected to the driver board to provide step pulse and direction instructions.
Toby V's CNC Machine and Process
Here is another excellent example of a customer putting together a CNC machine kit and revising/adding to fit his needs. Specifically, this is the blackToe version 4.0 CNC machine kit, put together by Toby, a Neuroscience Ph.D with a post Doctorate at Harvard focusing on electrophysiology of the biological neural network in the retna. He used this knowledge to create computational models of artificial neural networks to test new hypothesis. Now, he is mainly focusing on the business aspect with his current occupation and spending time at home with woodworking. With his knowledge and willingness to delve into the CNC world with my kit, I was, obviously overjoyed, at the opportunity to get feedback and see what additions and modifications he would make to the machine.
Step 24: Stepper Driver Completion
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. We are finally at the end of the driver assembly. This video also shows the most important part of the stepper driver assembly. In this step, you will solder in the driver chips, the heart of the board. You will also clean, inspect and set the board's configuration.