Craig & Aaron answer listener questions and talk about various affordable options for newcomers to CNC milling.
Boston Dynamics dance video:
The tools Arraon uses for hard milling from Maritool:
My feeds and speeds for the above tool cutting 63HRC A2 tool steel:
High feed roughing: 2500rpm, 72IPM, 0.123” steover, 0.0025” DOC, 0.005” stock to leave
Semi-finish pass: 4500rpm, 72ipm, 0.01” stepover, 0.001” stock to leave
Finish pass: 7500rpm, 72IPM, 0.003” stepover
An attempt at a steel cutting CNC for under $400: