A Shop-Built CNC Micro Mill

The video tutorial explains the design and construction of a CNC engraving and PCB milling machine using available parts. It covers the use of stepper motors, lead screws, and an Arduino Uno for control. The tutorial also discusses the cutter setup, workpiece clamping methods, and setting the Z height. For complex jobs, Autodesk Fusion 360 is recommended, while simpler tasks can be handled by open-source software.

What components were used to build the CNC engraving and PCB milling machine?

Describe the method used to adjust the preload on the lead screw bearings.

What are the two methods of clamping the workpiece to the bed mentioned in the text?

How is the Z height set before starting a job?

What software is used for more complex engraving jobs?