Did you install the Mach3 USB plug-in?

Make sure that you followed all of the steps and diagrams on the following page:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

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ABSOLUTELY NOTHING WORKS. I HAVE ALL STRUCTURE AND MECHICAL PARTS OF THE BLACKTOOTH CUTTER DONE. HOWEVER WHEN WIRE UP STEPPER MOTOR TO DRIVER. THAT MACH 3 USB CONTROLLER BOARD, TRY JOG MOTOR, WORKS! PREVIOSULY HAD PLANET CNC BREAKOUT HOWRVER, ONLY MOVED MOTORS IN ONE DIRECTION COULDNT CHANGE IT. ANY HELP WOULD BE APRECIATED

Yes, the 651 oz/in motor requires a driver that is compatible to the motors (the motor will draw 6 amps max and the driver paired with this motor will be able to allow for a 6 amp draw). I would also recommend a 36 volt power supply for better high velocity performance.

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I have one of your smaller stepper motors running my X AXIS bridge crane and if it is moved to fast the stepper motor sounds like it is skipping steps will the 651oz stepper motor require a different power supply and controler?

Yes, the 651 oz/in motor requires a driver that is compatible to the motors (the motor will draw 6 amps max and the driver paired with this motor will be able to allow for a 6 amp draw). I would also recommend a 36 volt power supply for better high velocity performance.

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I HAVE ONE OF YOUR SMALLER STEPPER MOTORS RUNNING MY X AXIS BRIDGE CRANE AND IF IT IS MOVED TO FAST THE MOTOR SOUNDS LIKE SKIPPING STEPS WILL 651OZ REQUIRE A DIFFERENT POWER SUPPLY CONTROLER?

The fact that you cannot move the motors with the keyboard serves as a clue to a couple possibilities.

- The software may not be communicating with parallel port. (One possibility may be that your step pins are not low active, or vice versa depending on your drivers).
- You may not be in the correct tab of Mach3. Make sure you are in the Program Run tab.
- The jog on/off button on the program run screen may not be lit (invoked).

This address below shows the complete troubleshooting for this type of situation. It will show how to test each pin at the parallel port at the back of the computer and everything else associated with correctly wiring the electronics.

https://buildyourcnc.com/CNCElectronicsandWiring.aspx




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6 axis robot with Mach3 Card 6 Axis Motion Controller

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I have a home built CNC running Mach 3. I have power to all the motors and the breakout board but no movement when running g-code. I cannot even manually move the motors with the arrow keys or page up and down. It also has an integrated 120v receptacle showing an open ground. I don't know if all this is related.

Did you install the Mach3 USB plug-in?

Make sure that you followed all of the steps and diagrams on the following page:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

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Absolutely nothing works. I have all structure and mechical parts of the blacktooth cutter done. However when i wire up the stepper motor to the motor driver. and that to the mach 3 usb controller board, and try to jog the motor, nothing works! I previosuly had the planet cnc breakout board, howrver, that only moved the motors in one direction and i couldnt change it. any help would be apreciated

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?

You can test the power supply, but you will need to take extra special care since the voltage on the high tension line can be lethal. Go to this instructable to see all the step on testing the power supply:

http://www.instructables.com/id/How-to-test-and-set-a-Chinese-China-made-CO2-Laser/?ALLSTEPS

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I am building the Blacktooth laser cutter. What is the safest and most accurate way to test the output of the laser power supply WITHOUT connecting the laser tube? Can I use a standard multimeter and measure the voltage output of the laser power supply?

Wiring diagrams for the Laser Power Supply will be mostly the same with the updated power supply. The main difference is the newer power supply contains a secondary green terminal block on the front of the power supply next where the hard leads are connected. This differs from the older power supply which had contact points on the back of the power supply. Please refer to the tutorials section for updated information and if you have specific questions please email techsupport@buildyourcnc.com

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I am assebling the Blacktooth CNC laser 20x24" with what appears to be an updated power supply. After refrencing the wiring diagram on line and the totorial, may I ask for an updated diagram or totorial, the current version do not appear to match match the configuration provided. I do not feel confidant in the educational guess, that I have. thanks

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 have been quite busy during the Holiday season which is normal. This may result in extended lead times. If you would like to speak to a representative about your order please call 281-815-7701 or email customerservice@buildyourcnc.com and someone will advise you when to expect your order.

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How long does processing typically take before a Blacktooth laser cutter ships? I see a week on a lot of the answers, but my order is pushing two. Since bad luck tends to follow me around, I just want to make sure I'm still in the realm of normal processing time.

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?

The mxl 0.08" pitch is fine for moving the weight of a gantry that contains a 40 watt laser tube and optics. I would not advise this timing belt for CNC applications that need to move heavy items such as spindles, routers, and heavier structures that are required to move these spindles and routers around.

The mxl 0.08" pitch timing belt is also great for 3d printers.

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Originally bought the Blacktooth Laser kit, but the upgraded laser tube size and needed a larger casing. With that I need to upgrade the belts to a 36" run. Can you advise whether the mxl.08" timing belt is sufficent or do I need the .2"in.

This is most likely a wiring issue. I would disconnect all of the power to the drivers and reconnect one at a time to isolate the problem.

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that was not helpful. I already did that way before submitting this question. there are not that many wires here and I have already rewired this a few times. I actually think its a software or interface board issue because it does work sometimes but then trips (possibly a amperage / voltage issue) I am using the interface board that has a parallel port and usb for 5V. are there different settings that I need to setup?

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I'm using the big 651oz in stepper motor for X and Y and the smaller 325 for the z and X and Y keep tripping when I try to tune the motors on Mach3 but Z seems to work. I have to turn power on and off to reset....is this a wiring issue?

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

Many shielded cables come in various materials and designs, so having one with a copper mesh covering the inner insulator wire is no problem. We currently use a extension cord found locally at a hardware store and include one 18G wire for ground. So a specific shielded cable is not a required, unless being used next to specific and sensitive electronics that are extremely sensitive to noise and voltage interference than a shielded cable is required.

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I purchased a 2.2 spindle a while back and went to the electrical supply house to but shielded cable for the power run, I was on the web a while back and saw a picture of shielded cable that didn't look like what I had bought. should it have a copper like mesh wraped around the inner insulation. Thanks

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.

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 :)

The digital signal portion of the CO2 laser tube power supply has various terminals for signal power, signal gnd, laser intensity and engaging the laser (turning it on or off). The TL and TH are triggers to turn the laser power on or off. These may be labeled L or H on some laser power supplies. You can use either TL/L, or TH/H to control the laser.

If you use the TL or L terminal to control the laser:
If a low signal (gnd) is present at that terminal, the laser will turn on. If a high signal (5v) is present, the laser will turn off.

If you use the TH or H terminal to control the laser:
If a high signal (5v) is present at that terminal, the laser will turn on. If a low signal (gnd) is present, the laser will turn off.

You should first test the control signal from the interface with a multimeter to make sure the laser will be controlled correctly before powering the laser power supply

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On the blacktooth machine wiring diagram for parallel breakout a wire goes from 6 on the BOB to TL on the laser power supply. My power supply has an"H" followed by a "L". Which is correct? I've connected to the "L" but the laser appears always on.

The motor with that model number is here: https://buildyourcnc.com/item/electronicsAndMotors-nema24-425ozin

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In looking for a stepper motor amongst old parts in my lab, I found one with a sticker that says buildyourowncnc.com and PN SM60HT86-2008BF U2 on it. I found a Q&A on your website that says it's a NEMA 24 motor with 425 oz/in holding torque. I was wondering if you were able to confirm this? Any specs sheets and details of the motor would be much appreciated