I’m designing a partially 3D printable CNC machine and have some options regarding the motion system.
I can choose between belts and ballscrews. Currently I have 2 ballscrews. One for X which is easy but what is the best way to control the Y axis?
Either I use one ballscrew and move the workpiece back and forth or I get two of them and push/pull the X gantry back and forth. A second ballscrew significantly adds to the cost of the machine but is there any benefit to doing so?
Bed slinging seems fine for slow speed operations such as CNC milling.
If that’s all you’re doing you can probably get away with belts. The laser engraving, for sure. Most of the commercial diode laser options are already belt driven.