The torque curve for the 651 oz-in stepping motor can be found here:

https://www.buildyourcnc.com/item/electronicsAndMotors-nema34-651ozin#prettyPhoto

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Are there torque-speed curves available for the NEMA 34 Stepping Motor (651 oz-in 1/2" dual shaft)?

Make sure all your bolts/screws are tighten correctly and if using a lead screw make sure your anti-backlash nut is not offset. Now a default setting will be 10101100 for your driver dip switch settings and in motor tuning (mach3) 1600 steps per, 400.02 velocity, 4 in acceleration. now the acceleration and velocity can be adjusted to move your machine faster, but if set to high they could stall. Make sure you have the correct wiring from your motor to your driver (https://www.buildyourcnc.com/Documents/PN.SM60HT86-2008BF-U%20(inhouse%20PN.60BYGH303-13)%20(1).pdf).

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I have your Nema 24 electronics kit and am having problems with the Z axis dropping over time. I am using a PC 8902 motor. Any ideas on what the problem is? What should be the motor tuning values in Mach3? Thanks

I haven't delved into using encoders with stepping motors too much. From my research, you need to have a controller that can provide the closed loop control, rather than software handling that process. I have also found from my research that using encoders on stepping motors is generally used to stop the machine in the case that the motor failed to achieve the commanded position for some reason and gives the user the chance to correct and continue with the job.

If you want proper closed loop control, it may be best to go with servos and servo controller that provide the closed loop control within the real of those two components.

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I HAVE NOT SEEN ANY REFERENCES TO STEPPING MOTOR ENCODER FEED-BACK FOR CLOSED LOOP CAPABILITY IN OF THE HARDWARE YOU SELL. THIS A SUPPORTED FEATURE WITH HARDWARE/SOFTWARE SELL?

You can find the wiring diagram, and technical specifications for the NEMA 23 motor, on it's product page, found here,

https://www.buildyourcnc.com/Item/electronicsAndMotors-nema23-100ozin-newbiehack-motors-stepping_motors-100_ozin

There is a datasheet below the product description. This image will expand to be easier visible once clicked on.

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What is the number of pole pairs and rotor inertia for NEMA 23 Stepping motor?

The instructions to connect the USB CNC Interface for the blackTooth Laser Cutter and engraver can be found on instruction #18 on thispage: https://www.buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx

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Are there any instructions for use the USP breakout board for a CO2 laser?

Yes, we honor a one year warranty on the NEMA 34 651 oz-in stepper motor.

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Is there a warranty on the NEMA 34 651 Oz-in stepper motors you sell?

Yes, with caveats. This kit includes a controller that will not be compatible, but if you use another type of controller that has web based control, you can use these electronics. Here is a list of web based control for CNC:

- Easel: The web-based software from Inventables can be accessed through Safari or other macOS-compatible web browsers.

- bCNC: A Python-based GRBL CNC command sender, although you may need to jump through some hoops to get it to run on macOS.

- Universal Gcode Sender: A Java-based software that should run on macOS if you have the Java Runtime Environment installed.

- CNCjs: Another web-based interface that you can run on macOS using Node.js.

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[50] Is there a software control package that will work with Axis Electronics Combo (For Heavy Gantry) for apple os.

All the options for and variations of our blackTooth laser cutter/engraver are available on our website here https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto. The wiring diagram is available here: https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto/0/
We do not offer plans or a bill of materials for our machines at this time, but if you are interested in doing your own from scratch you can learn a lot about the design and build process from our tutorials. We wish you success in your endeavors.

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How can i get a complete list of all the components (electronics) I need for a CNC laser cutter with the laser controller? A wiring Diagram would probably be very helpful.

At this time we are working to release a new USB controller board that will be compatible with Mach4 software and do not have any immediate plans to update the Planet-CNC USB board.

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Are there plans to release a USB Controller to work with the Planet CNC Output Board for more advanced spindle control from within Planet CNC?

A couple things to consider, the machine is most likely moving sideways, so the bristles won't be a problem. The lead screw has a very hight mechanical advantage and the bristles don't pose an issue with this. We have not found that the bristles cause any appreciable deflection to the work we do in our shop; however, you can change the brush for a more pliable plastic, or reduce the number of bristles by selectively pruning.

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THE DUST SHOE HAS STIFF BRISTLES, IS THERE PROBLEM WITH MOVING Z-AXIS DOWN SINCE BRISTLES PUSH AXIS SIDEWAYS

The blackTooth Laser cutter and Engraver can be built in a weekend. Take a look at the build instructions and try to determine if you feel you have sufficient capability to put together the laser system.

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HOW COMPLEX IS YOUR KIT TO ASSEMBLE, AND MOST IMPORTANTLY - HARD IT SETUP CONTROL THE LASER WITH MACH3?

We have manuals for the VFD rather than the spindles. Can you specify what issue you may be having so we can help you better?

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I am having trouble wiring the VFD. (From the wall outlet to the VFD) I think the manual or setup guide on your website is wrong. The two diagrams show two different sets of terminals on the page.

Also, do you have a video or other documentation on programming the VFD? Your videos and documentation looks like it only covers the 1.2kw version. Are the two different spindles from different manufacturers?

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Are there any other manuals for the VFD that comes with the 2.2kw spindle?

Our 1.5/2.2kW spindle will work with both setups, in our wiring diagram it is more seen as the Euro/AUS-style, however you can do the same thing with the North American style as well. Also depending on if you have single or three phase 220V, you can use pins R, S, T. A manual will arrive in the VFD box, which will have further information and diagrams.

Please seek a certified electrician if you are unsure of any aspect in wiring the spindle or VFD, since wiring to main lines will require wiring of the plug and main lines to the inverter and to avoid any damage or injury's while installing the 1.5/2.2kW spindle and VFD combo.

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On the wiring diagrams for the 220v inverters I noticed that there is one hot (220) a neutral and a ground. Will the inverter work with the American split phase system? Hot (120) hot (120) ground?

The torque curve for the 651 oz-in stepping motor can be found here:

https://www.buildyourcnc.com/item/electronicsAndMotors-nema34-651ozin#prettyPhoto

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Using your NEMA 24 stepping motor with microstepping, can I get a speed range from 3 RPM to 600 RPM ?

it is possible to install 2 motors on a single axis but you will require another driver and motor, but wire it directly to the same pins on your breakout board. Also the orientation of your motor since it is opposite side of the original so getting it to move accordingly to the original motor it will need to be orientated correctly. The slight shift could be the cause of the rod not being completely flat where the set screws are suppose to tighten the sprocket to the rod, so sanding it to a flatter surface might fix the shift in directions.
Currently do not have a kit or schematic available.

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My X-axis on the Blacktoe cannot run above ~40 ipm. I've checked all connections,tensions, sprocket locks, etc. All is fine. Can the 425 OZ stepping motor be replaced with a bigger motor, or could a second 425 OZ stepper be added to increase torque?

Only the 110v Version will have any indication of voltage on it. On the side of the power supply unit that has the black terminal strip and red wire coming out of it, there will be a silver sticker on the white side of the transformer that will state 110v, if it is 110v. If there is no sticker, then it should be 220v.

Additional Information:
20

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How can i tell if my laser supply is 110 or 230 VAC? there is no marking of any kind

Depth of Field. This is how far the focal point goes before re-expanding again. With a 2" lens, you have approximately 2-3mm of DOF. This means that you'll have 2-3mm of perfectly focused laser before it starts to re-expand again. If you have a 4" lens, you will have up to 7mm of DOF.

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WHAT IS D.O.F OR DEPTH OF FIELD FOR THE BLACKTOOTH LASER AND LENS?

The overall dimensions of our 2.5 modular stepper divers is:

L: 1.875"/ 47.625mm
W: 1.433"/ 36.3982mm
H: .585"/ 14.859mm (height might change due to different terminal block height (other we have on hand is .464"/ 11.7856mm))

Currently we do not have a CAD model on hand.

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What are the overall dimensions of the 2.5A small stepper drivers? Is there a CAD model available?

I will send two 8mm to 1/2" couplings to you ASAP. Please send an email to customerservice@buildyourcnc.com so I can determine to whom to send the couings. Thanks.

Additional Information:
Please notice, I followed up with several emails abut this situation. In one, I corrected the motor shaft sizes to 10mm. I understand that, as a result of my emails, the original 1/4" x 1/2" couplers were sent and apparently received by someone at the wrong address. As of this time, I have received no couplers of any size and have gotten no reponses to my emails. Can you enlighten me?

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I looked all throughout my email and I cannot find an email from you. Please send an email to phooddaniel@gmail.com so I can determine who this is and to whom I need to send the new couplings. Thanks

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I ordered two NEMA 23 steppers with 1/4" shafts, I received motors with 8mm shafts. I also ordered two 1/4" x 1/2" couplers, which I have not received. I have no problems with the motors, but I will need couplers to match the 8mm shaft to 1/2" lead screw.