The basic heart of all Hobby CNC systems are the Hobby CNC Steppers Motors. Stepper motors are simply axis drive motors that take pulse inputs from a computerized signal that in turn translate that signal to a step or a degree of rotation of the motors shaft. These Stepper motors use "steps" to move an axis a given distance.
Stepper motors are a very affordable method of powering your Hobby CNC machine, no matter if its a mill, lathe, router or any other CNC device you are building this is a good option for you. Hobby CNC Steppers are very easy to incorporate into any machine as they use an open loop system with no feedback sent back to the CNC controller regarding stepper position. Another benefit of using this type of drive motor is that they will stall out far before they self destruct themselves.
A typical Hobby CNC stepper setup with the motion controller would cost you somewhere around $100. So it is easy to see that for a 3 axis setup you wouldn't be breaking the budget just on your drive setup alone. There is also some very good and affordable software available out there for steppers motors. One such example would be Mach3 which does have a free version available that is only limited by the number of lines it lets you use in the free trial. Hobby CNC Software that controls Hobby CNC Steppers is very similar to any other G-Code type software out there.
Monday, May 25, 2009
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