Cheap CNC: https://bit.ly/3c0LLXf
Different cheap CNC: https://bit.ly/3H5LVef
Dremel CNC: https://www.instructables.com/DIY-3D-Printed-Dremel-CNC/
IndyMill: https://indystry.cc/indymill
3018 CNC is probably the most inexpensive machine you can buy. Surprisingly with proper settings and materials, you can achieve really nice results! Sure, itโs not the fastest CNC machine but definitely a great inexpensive learning tool for beginners.
Pyramid milling bit: https://bit.ly/3wvkV2Z
Feedrate and depth of cut per pass:
Wood engraving: 500mm/min, 1mm
Wooden tray: 500mm/min, 1mm
Plywood: 400mm/min, 1mm
Acrylic engraving: 600mm/min, 1mm
Acrylic contour: 1000mm/min, 0.5mm
PCB: 300mm/min, 0.12mm and 0.6 for the contour