I have made a CNC machine using NEMA 23 stepper motor which Arduino board is best for CNC
The best is the one that's on your desk already.
If there's none on your desk, just get an Uno. Nothing in the very little bit of information provided to indicated that you need more I/O or WiFi or more memory or more processing speed or smaller form factor or ....
bhushan123:
I have made a CNC machine using NEMA 23 stepper motor which Arduino board is best for CNC
After selecting suitable motors the next task is to select suitable stepper motor drivers. Most drivers take step and direction signals and an Arduino Uno can provide those.
I am using an UNO and a Protooner board V3.00. Applying the heatsinks and a little fan I can provide 1,5, maybe 2 Amps to any stepper motor. For more power to the steppers I use single power units, 6500 or something.
Most CNC machines require 4 axes. Sometimes more. Rarely less.
The Uno does not have enough pins for 4 axes. That is why the common RAMPS 3D printer board is based on a MEGA.
You can do a lot using 3 axis. If You need double steppers for one axis the Protooner board provides for that.
Please provide a link to the datasheet for the "Protooner board V3.00" and to the datasheet for the stepper motors.
...R
@Robin2
That board is a shield that fits UNOs. It carries 4 small stepper driver boards. The shield is red, 3 holders for drivers are yellow, one is red. I bought it from eBay. More than one kind of driver fits the shield. They decide the current capability.
I need to come back with further info. Bedtime here...
Data for steepers? I use 2 NEMA17 and one NEMA23 in the CNC. Current is set like 1 Amp for NEMA17 and 1,5 Amp for the NEMA23, not at absolute maximum yet.
Railroader:
That board is a shield that fits UNOs. It carries 4 small stepper driver boards. The shield is red, 3 holders for drivers are yellow, one is red. I bought it from eBay. More than one kind of driver fits the shield. They decide the current capability.
I need to come back with further info. Bedtime here...
Data for steepers? I use 2 NEMA17 and one NEMA23 in the CNC. Current is set like 1 Amp for NEMA17 and 1,5 Amp for the NEMA23, not at absolute maximum yet.
I appreciate that you are trying to help but part of the reason for my question was to get the OP to understand that he has provided inadequate information and, also, to encourage him to do jobs that he is perfectly capable of doing rather than doing those things for him.
I am happy to help with things he does not know or cannot do himself.
Also, I still need to see the datasheets. I (and many others here who could help) am not familiar with the shield and there are hundreds of different Nema 17 and Nema 23 motors. Those numbers just define the size of the front face - 1.7 inches and 2.3 inches.
...R