If your PC is unable to communicate successfully with the Mach3 USB controller that you purchased, the problem can exist outside of the controller. If the problem is with the controller, then my controller will work. If the problem is not with the controller, then the problem will persist.

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[575] I have one of these but pc says device is faulty. If i buy one from you will you be able to fix such problems

The redLeaf CNC computer systems will have either Mach3 or LinuxCNC installed as per the customer's request. If the Mach3 license is purchased, the license file will also be installed on the redLeaf CNC computer system.

The Mach3 or LinuxCNC settings will be configured during the assembly of the system. We contact the customer to determine the drive (mechanics) and inertial (weight of gantry and other parts of the gantry) specifications in order to correctly configure the steps per inch, velocity and acceleration.

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I ordered a redLeaf with Mach3 installed. Do you guys configure any of the setting in mach3 or will I need to do that all myself?

Yes, absolutely. If you need two motors for a single axis, you will want to use the same terminals for pulse and direction from the breakout board.

More specifically, you will wire the step/pulse pin to both drivers, and the direction pin to both drivers. If the motors need to turn in different directions, simply swap the A and B coil connections on one of the motors.

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i have checked the cnc machine for any flex and there is none but i still cannot cut circles they end up square.have checked calibration and it is correct but if i run at 4000 mm feed all comes out correct but if i change feed to say 2000 mm it makes the part small, like in tiny.

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I'm going to use 2 stepper motors for my X-axis. Can I use the same connections on the B/O board to do this knowing I will need 2 separate driver boards.

Try slowing your feedrate down and increasing spindle RPMs. End-mills will leave a poor finish if you go too fast. Make sure your cutting depth isn't too much. Maybe the endmill or cutter is blunt? Could it be the feed direction of the cutter? Some materials need to be fed in a certain direction.

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MOTOR GOING TWO DIRECTION WHEN JUST PUSH UP. IT WILL GO DOWN AND THEN GOES AGAIN UP WITH THE SAME BUTTON.

Can you add more information. I am not familiar with LCD and -1 as serial number.

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Device states serial number is -1. I did the LCD bridging from 1 to 3 and it will not allow me to recover it.

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

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 am going to build a CNC 4x4 plasma table. The frame is made of 1 1/4" pipe and the gantry will be made of either 2"x 2" or 2"x 3" tubing. What size stepper motors do you suggest?

The Mach3 USB will not work with Mach4. Consider the Pokeys57CNC controller instead. The Pokeys57CNC controller will work with Mach3 or Mach4 and contains more features than most CNC machines need, including 8 motor outputs, 4 onboard relays, limit home and probe inputs, galvanically isolated outputs, and much more.
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

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[575] Will this work with Mach4. I,m thinking to upgrade from Mach3.

If the VFD is presenting an ER 4 error, the VFD is most likely damaged. The VFD will either need to be serviced or you will need to purchase another VFD. The latter is probably the less expensive option, unfortunately.

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i had that error and found a power in wire touching and fixed and started and all was good.
good luck

Additional Information:
i had that error and found a power in wire touching and fixed and started and all was good.
good luck

Additional Information:
i had that error and found a power in wire touching and fixed and started and all was good.
good luck

Additional Information:
i had that error and found a power in wire touching and fixed and started and all was good.
good luck

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I bought a 2.2 Kw spindle and YL620 A-2 from you and am getting an ER 4 message. How do I fix it?

It may be tough to rotate a stepping motor by hand prior to energizing it especially if it is a large motor above 400 oz-in.

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I received the 425 oz-in motor from you. Is it supposed to rotate freely by hand when not powered?

The distance from the tip of the nozzle (about 1.5 inches from the lens) to the frame that provides structure to the machine and the part of the machine that will hold the spoilboard is 3.25 inches. If you put a spoilboard of say .75" thickness, then you would have 2.5 inches remaining (or 4 inches from the lens).

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How deep is the bed? As in, how far can I get the head from the base? On the VLXL.

You will need a collar or adapter to connect the ID of the #40 sprocket (0.622") and a 1/4" collar with our OD (0.674"). We currently do not have anything in this nature.


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For a 1/4" input shaft the larger #40 sprocket, seem's pretty large for the 1/4" input shaft. So we recommend using a #25 sprocket and #25 roller chain with our NEMA-23 since it will be more compatible arrangement.

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What else from you shop do I need to connect a #40 Drive Sprocket to my nema23 motor, its not so clear

This will depend on the material, end mill that you are using, and whether you are using a spindle or a router. The stepping motors and the mechanics on the blueChick (and the other machines as well) can move the machine very fast (x and y about 700 ipm rapids).

You will need to refer to the manufacturer specifications for the speed on the end mill with the particular material. The Onsrud end mills sold here are of top quality and can generally go faster than standard end mills. If the reliefs are in wood, you will be able to machine around 200 to 80 ipm depending on the wood and the depth per pass. Generally, you want to rough out most of the wood with a roughing end mill then finish off with a finishing end mill with a small tip and a small step over.

If you are using a router, the speeds will be slower than a spindle since the spindle can handle more torque and the torque is compensated with the VFD (Variable Frequency Drive).

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What's the maximum speed at I can machining reliefs without lost steps with BlueChick?

All you need is a CNC controller like the following options:

https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

This controller is easy to connect using standard wire screw terminals and works with the mach3 control software.

https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

This controller is a little bit more difficult to connect, but is a more feature-rich controller and will work with both mach3 and mach4 CNC control software titles.

Specifically, a CNC controller connects to the computer via a USB cable and connects to the motor drivers. These controllers also connect to the limit switches, spindle/router control, air/fluid/mist control, etc.

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Can you sell me a kit to control my motor from the pc? I already have a motor, driver and power supply.

Here's a link to the blackTooth laser that we sell, https://www.buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx. It will vary depending which materials you are using, but keep in mind on how deep you are cutting since the blackTooth only cuts 1/4" inch(dept) at a time.

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We will be carrying a 8' x 4' laser cutter in the near future. We will also design an attachment for the GreenBull to contain a laser tube at the head of the machine to convert a greenBull into a laser cutter.

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Im in the market for a laser cutter with the ability to cut 8'x4' boards (different materials) and up to 5" height. I bought a greenbull 10'x5' a while back from you guys

The motors could be wired incorrectly causing them to lock up. Make sure to check the wiring to make sure the X and Y are connected to the correct terminals.

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When Blacktooth is powered on the motors get power but will not turn. What should I do?

When trying to use two motors on a single axis, there is a multitude of methods to get them to work together.
First: There should always be a slave option in the CNC control software(mach 3/ planet-cnc/emc2/etc.), this will be the easiest way to make the dual motor configuration work. However some adjusting might be necessary due to the orientation of the motor when mounting it on the opposite side of the CNC machine.(Mach3/config/slaveaxis, planet-cnc/file/settings/axes).

Secondly: Dealing with our interface boards(maybe third-party as well), you can have two drivers going to the same axis on the interface board. Which then will have one motor per driver, this will use the same motion and control from the (ex.) x-axis to driver two motors. However some adjusting might be necessary due to the orientation of the motor when mounting it on the opposite side of the CNC machine.

Adjusting of the driver or motor wires, can be done separate from the control software with the use of a hex inverter, that can be used and to switch the signal (ex. takes a low signal and brings it high, and takes a high signal and brings it low) of one of the motors, to run the same as the other motor.
There is also another method of inverting the orientation of the motors movement without the use of a hex inverter. This method you will have to wire the coil's of the motors oppositely of what is recommended for one of the motors. Example, you will wire our Nema 24 as follows(recommended): A+ - red/blue, A- - yellow/black, B+ - white/brown, B- - green/orange. However to run another motor with with it you will have to switch the A/B connections to: A+ - white/brown, A- - green/orange, B+ - red/blue, B- - yellow/black.

These method's are usually needed/used when trying to control two motors and setting it up without the help of the CNC control software, and also due to the mounting orientation of the second motor, the inverting the direction of motion will be necessary so they work together instead of working against each other.

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Additional Information:

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From the BOB how can I reverse one of my steppers - i'm running 2 on my Y Axis

Every Lunar eclipse that falls on the extra leap-year day. When is the next one, exactly? Good question- I'll submit it.

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How often do you guys answer questions? Is there a certain time of the month?

We do have a relay board that words like a standard relay.

Here is the URL of the relay board that we offer:

https://www.buildyourcnc.com/item/electronicsAndMotors-breakout-Relays-relay-board-250V-12A-5V

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I HAVE YOUR MACH3 USB BOB, DO YOU GUYS SELL A TORCH CONTROL RELAY CAN WIRE UP TO TURN MY PLASMA ON AND OFF HOW WOULD WIFE THAT TOO THIS BOB?