Proxxon MF70 43mm Mill Print Upgrade
thingiverse
The desired setup includes a 3-axis mill with a 60° milling head for working with aluminum and printed circuit boards (PCBs). Additionally, a 3D printer is incorporated. The spindle is a standard ball bearing type with an M14 nut driven by the Z axis of the mill. The control system is based on RAMPS 1.4 with stepper motors and endstops. To implement this solution, follow these steps: 1) Mill the baseplate using CUT2d or Deskproto; 2) Mill the side plate, with an update planned to mount the print head 180° turned for better weight distribution; 3) Drill holes in the sidewalls as required; 4) drill H7 holes of 6mm diameter; 5) assemble all components to mill the 60° side guards, using an existing Z guard for a proper fit (this step may need to be done twice); 6) mount the steppers and test the machine; 7) configure Marlin firmware to allow dangerous prints; and finally, enjoy your combined milling and printing capabilities.
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