The machine was homemade, it's a router and I really only intended to use it for woods and plastic machining (no metals). It's about 4 feet by 2 feet, and has 3 open loop Nema 23 stepper motors running at 3 amps. To put it into perspective, up until now, I was using a 3 axis tb6560 driver (which isn't very good performance at all), but then I accidentally overloaded it and burnt out the driver. So now I'm looking for a decently priced driver that has good potential in it's precision, but high speed isn't necessarily too important.

That kind of triggered a new question though, what should I consider if I were looking for strength and speed in a stepper motor? I'm assuming voltage is a leading factor (higher the voltage ratings on the driver=faster??) but is that true and is there anything else?


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