The wire that is connected to the spindle can be a simple extension cord, that you find at a local hardware store. However there is a missing wire that is required(ground) which will have to be the same amperage of the extension cord.

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What wire do I need to power the spindle (ie, from the 220 outlet to the spindle). Would a dryer cable work? Is there specific amperage the wire needs?

Yes, servo motors can be mounted on this machine. If the mounting dimensions are different than NEMA 23 or NEMA 34, then all you need to do is keep the center of the motorshaft with the center of the bearing location and locate the mounting holes for he servo you wish to use. Most industrial servos used for these machines share the same mounting dimensions and NEMA specifications.

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This machine is one of the most customizable machines out in the wild. Customers of these machines have fashioned many modifications to suit their needs.

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[796] Hello. To what extent can the design plans be customized? For example, if I wanted servo motors instead of steppers? That would requirements for motor mounting, controls, and electrical. Thank you.

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.

If you would like to come to the office, please call the office at 281-815-7701 to request a visit at your specified time within our business hours so we can make sure that the right person will be there to assist you.

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I am considering the purchase of a Black foot or Green Bull CNC router and would like to come and visit your facility to see them in person and to discuss my requirements. Please can you tell me your address. I am based in NW Houston. Many thanks.

The blackFoot uses the same electronics and motors as the blackToe (2'x4') machine. The only parts that change are the gantry horizontal structural parts which may be relatively easy for you to change. We can send you those parts if you are interested in a smaller unit.

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I have a Blackfoot that was purchased in 2017, after the purchase we moved and I haven’t been able to find room for it... would you be interested in buying it back or trading for something smaller. The Blackfoot and computer have never run but I did purchase it assembled. Thanks in advance, scott

I would first check the mechanical parts to ensure smooth motion. Is your machine bogging down during cutting or jogging/rapids?

You can increase the voltage to gain a higher speed for rapids/jogging, but make sure the driver can handle this voltage. There should be a max voltage on the driver label.

If the bogging down is happening during cutting, either reduce the cutting depth or switch out the drive and motor for the axis that is giving the problem.

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[129] I have a Blackfoot and have a question about the power supply. I currently have a 36V power supply and my machine bogs down, would a 70V or something like that help, or will that blow up my machine? thank you!

Our electronics contains a switchable power supply that allows you to switch the input mains voltage between 115 volts (110/120) and 230 volts (220/240). the hertx range is not specified, but there are capacitors to smooth out standard frequencies to enable DC output.

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hi, what about, if I buy from you some elecronic parts like (3 Axis Electronics Combo) and I use them here in france , where the electric voltage is 220V 50Hertz ? thats gonna works? thanks

We recommend our electronics combo for the scratch build kit, which you can find on our site here: https://buildyourcnc.com/item/electronicsAndMotors-3axis-425-elcombo. This is our standard general purpose 3 axis electronics system, and includes (3) NEMA 24 425 oz-in stepping motors, (3) Drivers (3.0Amp 24-40 Volts, with 1-1/64 microstepping), (1) 36v 8.8a Power Supply, (1) Interface Board either USB or Parallel. (The USB version requires PlanetCNC software; the parallel interface board gives you a variety of options, Mach3 being one popular choice.)

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I got the plans and hardware from you guys and im almost ready for the stepper motor part of this build. what size motors are good to use for this build? the size of cnc will be 2x4 when finish or what size will not work? thanks

The available options for the blackFoot, is only structural components with hardware, and structure components/hardware with electronic components.
However we currently do not have any plans available for public use/distribution.

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I have a 4x8 CNC and would like to cut my own parts for the Blackfoot. What is the price for the plans and the electronics ?

I'm not sure I understand the question. You are looking for spacers or sprockets?

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Nevermind, I found my answer. Thank you

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Since you don't sell the hardware only package for the Blackfoot 4'x8' can you tell me what items I should look for for the chain sprockets, spacers to mount them to the 1/2" rod, and chain? All the other parts I can source from elsewhere

Thanks for your interest in the 80 Watt Laser Tube Power Supply. We will start offering the 220 Volt version of these power supplies on September 23rd.

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I was looking for a MYJG80W power supply but I see you may not have the 220 volt version. Do you have these as yet and if not what can you advise on availability or where I may find one...Thanks

Sure, email me at customerservice@buildyourcnc.com and I will send you a replacement for a minimal fee. I now use HDPE for that part. The HDPE holds up much better.

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I have a Blackfoot 4x4 v2 chain drive. my Y plate is broken . do you sell just the Y plate or can I buy just the Y plate spec plan? I love this machine Its great. my name is Jeff Krug I bought the complete package and electronics from you guys. thanks

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 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. .

Conceptually it is straightforward to predict the radiofrequency (RF) exposure intensity at any point in the vicinity of a cellular radio base station antenna. Simply multiply the effective radiation power times the inverse square of the distance times the relative gain of the antenna in the direction of the interest. The relative gain in different directions is know as the antenna radiation pattern and is usually available from the antenna manufacturer in graphical or tabular form.

Unfortunately, in real life the calculations involved in base station antenna evaluations are quite complex and require expert knowledge and experience to deal with the many parameters that are involved. An excellent reference summarizing this process is the Federal Communications Commission OET Bulletin No. 65 titled "Evaluating Compliance With FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields," available on the Federal Communications Commission (FCC) website.

To assess the RF hazards associated with handheld cell phones it is necessary to predict the rate of absorption in the body of radiofrequency energy, a parameter called the specific absorption rate (SAR). This is a very complex calculation, and cell phone manufacturers often rely on measurements of SAR in fluid-filled cylinders or plastic containers in the shape of a head. The FCC requires cell phone manufacturers to provide this data to FCC. You can obtain the data for your model phone on the the FCC's website. Unfortunately only cell phones manufactured in the last couple years are listed here.

As to your question about keeping RF exposures within the safety code, please read the other questions posted on this website this matter. Cellular radio products that meet FCC requirements will be within the guidelines established by safety standards organizations for users' and public exposure to RF radiation fields.

Gary H. Zeman, ScD, CHP

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FIRST OF ALL, THANKS FOR DESIGNING A WONDERFUL SITE. MY QUESTION IS: HOW DO YOU CALCULATE EME (ELECTROMAGNETIC EMISSIONS) AROUND THE TRANSMITTER (ANTENNA) AT ANY GIVEN POINT AND WHAT ARE MEASURES TO KEEP IT UNDER SAFETY CODE?

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 :)

Yes, if you want a laser on the machine, I would highly suggest that the laser be mounted on a separate gantry, similar to the following image:
https://buildyourcnc.com/images/machineConfigurations/greenBullV2_size_04x08_angle_flat_f1_no4thaxis_f2_wilasergantry_f3_nolaser_f4_wilaserready_.png

You would need to develop the gantry structure, but you can use this thread to work out the design with my guidance.

You will need a laser tube, laser power supply, laser controller, mirrors, mirror mounts, lens and nozzle. You will also need some mechanical parts and some motors, drivers and power supplies for the drivers and the controller.

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Yes, if you want a laser on the machine, I would highly suggest that the laser be mounted on a separate gantry, similar to the following image:
https://buildyourcnc.com/images/machineConfigurations/greenBullV2_size_04x08_angle_flat_f1_no4thaxis_f2_wilasergantry_f3_nolaser_f4_wilaserready_.png

You would need to develop the gantry structure, but you can use this thread to work out the design with my guidance.

You will need a laser tube, laser power supply, laser controller, mirrors, mirror mounts, lens and nozzle. You will also need some mechanical parts and some motors, drivers and power supplies for the drivers and the controller.

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I'm interested in getting the CO2 laser & Spindle for my Blackfoot - I currently have just the router mount. Do you sell complete kits or can you advise on what I need? Thank you

Yes, if you want a laser on the machine, I would highly suggest that the laser be mounted on a separate gantry, similar to the following image:
https://buildyourcnc.com/images/machineConfigurations/greenBullV2_size_04x08_angle_flat_f1_no4thaxis_f2_wilasergantry_f3_nolaser_f4_wilaserready_.png

You would need to develop the gantry structure, but you can use this thread to work out the design with my guidance.

You will need a laser tube, laser power supply, laser controller, mirrors, mirror mounts, lens, and nozzle. You will also need some mechanical parts and some motors, drivers, and power supplies for the drivers and the controller.

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I'm interested in getting the CO2 laser & Spindle for my Blackfoot - I currently have just the router mount. Do you sell complete kits or can you advise on what I need? Thank you

The drivers have quite a bit of protection, so you probably won't ruin anything. You motors are jumping and that is just the motors engaging from getting power from the power supply.

There could be many reasons your motors don't turn. Consider these troubleshooting tips:

- If you are using our parallel breakout board, make sure that the step pins are set for active low (config -> Ports and Pins -> Motor Outputs -> the steps pins should be enabled and set active low)

- The parallel breakout board is powered (connect the USB to the computer using a USB cable)

- In Mach3, make sure you have jog enabled (a little green button at thelower middle of the page in the program run screen).

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DS26

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If I wired my stepper motors incorrectly what parts of the electronics will be ruined? When I turn on the power, my motors jump like they are supposed to but for some reason, the G-code doesn't seem to be moving from Mach 3 to the motors. Any help would be appreciated. Do I need to order new electronics or just part of the system? Thanks