What you need to look at is the drivers that are being used for the steppers. The steppers wire directly to the drivers and the drivers are wired or connected to the controller. You should be able to look up the model number to determine the voltage and amperage your drivers are rated for.
Updating motors on a CNC
I have the foxalien masuter pro with the extend bed with already a few upgrades like the smart switch that connects my vacuum and router but I would like to upgrade my motors nema 17 with other nema 17 motors with higher torque (nema 17 bipolar stepper motor 92oz in 2.1a 4-lead 60mm) would the grbl controller be able to take these motors?
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I will take a look but looks like is a proprietary fake chinese grbl board with no information, which I tried to find with no luck so far.
If that is the case, you may want to consider upgrading the controller board and stepper drivers too. The machine I built uses a Mesa ethernet based controller and is ran off of a PC running LinuxCNC. I feel that it is a much more robust platform,
You can replace the 3 Qty. A4988 driver modules (max 2A with heatsink) with 3 Qty. DRV8825 Driver Modules (Max 2.2A with heatsink). They are socket compatible and inexpensive.
If your PSU is only rated at 12V 5A you will also need to upgrade your Power supply to 8A or 10A versions.
If your PSU is only rated at 12V 5A you will also need to upgrade your Power supply to 8A or 10A versions.
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