[Perry] was interested in adding a 4th axis to his CNC machine, but not very excited at the prospect of spending hundreds of dollars on the parts and electronics to make it work. There is a very ...

TORMACH INC. is offering the microARC 4, a device that allows high-precision fourth-axis machining in a compact footprint. The microARC 4 works with all Tormach machines, from the PCNC 440 Mill to the ...

Here’s a great CNC hack that adds a ton of functionality, a DIY rotary 4th axis! [Jim] had started this project over a year ago when he originally ordered the gearhead off eBay, but like many good ...