This will be my first machine and I intend to build something similiar in configuration to the free plans posted here. Its only going to be 24" x 24" or 36" x 36" for small engravign and cutting. I intend to have mounts for both a dremel tool and a rotozip.
The design and construction arent my problems, but the motor and drivers and controller boards have me VERY confused. I'd like to make this as cheap as possible as its more of an intro to the field before i move onto a bigger table. So my thoughts were to use the same skate bearing setup and black pipe guide rails. excpet i intend to use all thread instead of a more expensive ballscrew. It seems all thread is a popular choice on smaller hobby machines.
Anyways, I was looking at the stepper controller packages on hobby cnc. Do i really need 200oz or 127oz steppers? to drive such a small machine?
This is also another type of stepper i've seen where the Stepper Motor and Stepper Drive are all one piece and manufactured that way. http://www.amci.com/stepper-motor-co...fectly-matched
Has anyone had any experience with these? They have a local distributor 15 mins from me and i plan to consult them on pricing.
Once i have my steppers what is the preferred connection method to a ballscrew or all thread etc? If i go direct drive, how do i link the motor shaft and the shaft on the ballscrew or allthread?
Sorry for tossing so many ideas out at once, but before i forget about them i wanted some feedback from people who have been there before.