There are two things to consider when using two stepping motors on a single axis. Since you want both motors to spin at the same rate and possibly in the same direction, you need to connect both motor drivers to the same breakout board pins. For example, if you want two motors on the x-axis and the x-axis pins on the breakout board are #2 for step and #3 for direction, the #2 will connect to the step (cp) terminal on each driver and the #3 will connect to the dir (cw) terminal on each driver.

However, if the motors will be opposing (one motor will need to spin in the other direction), you will need to consider either flipping the rack on one side, or adding a circuit to invert the direction (#3) signal going to that driver.

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I'm planning a rack and pinion style gantry, and need clarification on how to slave a second stepper to the Y (or X). Can you direct me to that information for your products?

The best single reference is the Federal Communications Commission (FCC) Website. Look for:
Bulletin 56, "Questions and Answers about Biological Effects and Potential Hazards of Radiofrequency Electromagnetic Fields,"

Bulletin 65, "Evaluating Compliance With FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields,"

"A Local Government Official's Guide to Transmitting Antenna RF Emission Safety: Rules, Procedures, and Practical Guidance."
An excellent technical paper with field measurements of cell-tower emissions was published by R.C. Petersen and P.A. Testagrossa in the journal Bioelectromagnetics, volume 13, page 527ff, 1992. If you need onsite technical support and services there are various consultants available, such as Richard Tell Associates, Inc. Gary Zeman, ScD, CHP Lawrence Berkeley National Laboratory

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I NEED HELP IN GATHERING PUBLISHED INFORMATION ABOUT THE RISKS POSED BY CELL TOWERS PLACED ON SCHOOL GROUNDS. THERE WHICH WOULD ENABLE ME TO GATHER/CALCULATE OR MEASURE RADIATION SPECIFIC SITE?

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.

We carry several sizes of lead screw and stepper motors on our website, for example here https://buildyourcnc.com/Item/mechanical-leadscrews-lead-screw-!5-5-starts-10-tpi and here https://buildyourcnc.com/ProductSearchResults.aspx. Please call us at 281-815-7701 to discuss the particular lengths you would need and shipping options.

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I have a project very similar to cnc machine. I need 3 lead screws of 1.8 m with all set (supports, bearings...etc). and 3 NEMA 42 motors that I can connect with. if those are available, I need the information about shipping to Oman or UAE.

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 the limits either n.o. or n.c. so if this is correct I would need to tell the board in the software how to look at these limits, I'm either going to get an input or loose an input depend on how i wire it.

The THC and the triggering of the plasma are actually two different functions of a controller. To trigger a plasma cutter, you can use one of the outputs of the Mach3 USB controller (out 1, 2, 3, or 4). That output can be connected to a relay that connects to the two wires that will trigger the plasma.

This video will show how this is done:

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[575] How can I wire/ configure for a plasma cutter without THC? Plasma cutter has a cnc port, where when you short two of the pins, it activates the cutter. Just looking to see how to make that short when pressing f5 in Mach3.

See the question on our "Ask the Expert" question-and-answer list on cellular towers under nonionizing radiation for a discussion of RF safety issues associated with cellular radios. The technology underlying cellular radios and base station antennas is similar around the world, but there are differences in systems design and RF safety limits in different countries. For a summary of cellular radio RF safety issues with attention to international differences see the excellent Web page, Cellular Phone Antennas (Base Stations) and Human Health, by John E. Molder, Ph.D., from the Medical College of Wisconsin. Gary H. Zeman Sc.D., CHP

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I LIVE IN ITALY AND WISH TO KNOW MORE ABOUT RADIATIONS CAUSED FROM MOBILE TELEPHONES. TELECOM WOULD LIKE PLACE A WIRE-ANTENNA THE HEARTH OF MY TOWN, I'M AFRAID IT. WHICH KIND RISK HEALTH COULD IT CAUSE? THANK YOU IF WILL SEND ME SOME INFORMATION SCIENTIFIC ARTICLES THIS PROBLEM!

Yes, if you need a replacement part on your machine please call us at 281-815-7701.

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I have a blacktooth laser engraver. The Y Axis stepper motor needs to be replaced. Can you please provide me with the information I would need to replace this motor.

We accept many forms of payment, but online, we accept major credit cards (Discover, Visa, MasterCard and American Express) in addition to checking out with Paypal. Depending on what is ordered, a machine vs. a la cart parts, will arrive at your destination according to the shipping method chosen. A machine may take an extra week to be delivered.

Once paid, there are no changes in the amount for the purchase.

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good day I have my list of products in the cart, and before making the purchase need to ask 1. I need to know if I can pay by bank card HSBC Visa 2. If I pay today, As approximate time come to Mexico City? 3. Ordered the shipping information online, and I chose standard UPS. There may be changes in the amount? Thank you

Dealing with your CNC upgrade we will need a good detail on exactly what you plan on keeping and reusing, all technical information about the parts that you keep will make our recommendations more precise for your application.

Please email customerservice@buildyourcnc.com for any quote related questions.

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I am upgrading a CNC with 3 stepping motors, and its all I want to keep. What technical information do you need in order to receive a quotation from you with the new items I need to buy from you?

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?

The whiteAnt is no longer sold; the information on the website is to support legacy customers. We have spoken with you and are sending the materials that you need.

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I am having difficulty with the wiring on the White Ant. The latest electronics that I received don't seem to be anything like the book or even the tutorials. For instance, the three stepper drivers need 6 pin connectors and ribbon cable. How are they wired? There was no thermocouple wire included. Thanks,

Just specify the full length in the quantity field in the shopping cart and give us a call to inform us of the cut lengths (you can also email customer service - link in the contact us page - link at the footer). We are working on a way to do this at the product page, but won't be finished for a few more days.

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How do I order 3 specific lengths of lead screws in one order? I could only order a single total amount via the shopping process. I require 36", 60" and 14". If I order 110", I will get 79" + 31". Do I have to order 115" and pay for an extra 5" to get around this?

I just sent you the commercial invoice via email. Thanks.

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Could you please e-mail us the invoice for the order, shipment is currently at the customs and your invoice is needed so it can be cleared. As I can't seem to find any order number or other reference in your system, the only reference I have is the tracking number LZ676176940US and the order date is 12/26/2017. Thanks!

Yes, we have cut many fabrics with the laser. Or CO2 lasers can generally cut fabrics and textiles without a problem. What types of textiles (materials) do you need to use with the laser machine? Is there a layering of materials?

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We would cut multiple heights of different carpets and even hard surfaces such as Vinyl composition tile, Luxury vinyl tile,etc. and I'm wanting to explore etching into plain color carpets using the laser.
I'm contemplating your 5' x 12' machine with the laser/spindle combo.
Is it possible to make a site visit to your location and see the capabilities of the equipment ?

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Carpets are not a problem as long as there are no materials in the carpet or in the carpet binding layers that will off-gas toxic fumes. Check the manufacturer's materials of all of the parts of the carpet.

The vinyl should not be a problem, just make sure there is no material mixed within the composite that will off-gas harmful fumes such as chloride. The chloride will mix with the hydrogen in the air and form HCL (hydrochloric acid) which can be harmful if inhaled, but can also affect some of the metallic parts in the machine.

We have cut vinyl with the laser with great results.

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I own a custom rug shop where we design a fabricate custom floors of many types, Have you performed any type of testing using your 40 watt and or 80 watt laser for the cutting of thse textiles.

What electronics do you have at the moment? Depending on your machine, you will need a minimum of 3 stepper motors and 3 drivers (unless your heavy axis requires two stepper motors and two drivers). You will also need an interface board that is capable of providing three inputs for the THC (Torch Height Controller), THC on, THC up and THC down, and outputs for firing the torch. I would recommend the Pokeys57CNC interface for the primary interface. This interface will connect to the stepper motor drivers and the THC. The Pokeys57CNC can also communicate via USB or Ethernet.

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Looking for electronics for a plasmacam table. It's going to to be a 5'x10' table with x,y,z axis. Will be running on windows ten with a hypertherm powermax45 xp plasma cutter. Any information or links would be greatly appreciated!

The greenBull instructions are found on our website. Each machine has a page, which you can locate by clicking on "CNC Machines" from the left hand menu and choosing the particular machine you have. Scroll to the bottom of that machine page and you will find complete instructions. The page for the greenBull 5X, for example, is : https://buildyourcnc.com/Item/cnc-machine-greenBull-v4-5X

The redFly is typically sold with motors already wired to conductor cable with 4-pin connectors; these need simply to be plugged into the control box. There is no soldering required. If you have a different configuration, please contact us directly at techsupport@buildyourcnc.com with information about your specific application (and a photo, if possible) and we will be happy to provide you with further guidance.

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How do I know how to hook up the red fly? What color wires do I solder on which pin of the connectors? Was there suppose to be any instructions that came with it, or the entire greenbull for that matter?

We double box our tubes. The inside box contains the tube that is surrounded by foam. This inner box is wrapped with bubble wrap and then boxed again.

Carriers are not very careful with packages, but it is not typically from personnel handling, but the machines and conveyors that maneuver the boxes at their distribution centers.

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I ordered an 80w tune on Amazon for a good deal, it took over a month to arrive and was broken on arrival. Get what you pay for I guess :( of I order a tune from you can I expect it to be better packed and arrive quicker?

Yes, if you wish to get help with a product that was not purchased at buildyourcnc.com, you can go to this link and purchase a token:
https://www.buildyourcnc.com/item/sub-assemblies-Technical-support-token

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[541] I need some help, can I pay you for your time? I have a old Golden Laser has 2 co2 lasers 80 watts each, trying to put a new Ruida 6445G contorller in it.