Custom-built 3-axis CNC router for milling wood and soft metals. Aluminium extrusion frame with a steel-backed X axis gantry. HGH15CA rails on X, unsupported LM20 linear bearings on Y, and supported 20mm linear bearings on Z. SFU1605 ballscrews on all axes, driven by a 1.5kW air-cooled spindle. Controlled by GRBL with bCNC as the interface.

mechanical construction

X gantry and Z axis carriage assembly. The carriage rides on supported linear bearings and is driven by a ballscrew.

power and controller unit

Controller board assembly with stepper drivers, mounted within the machine frame.

self-cut expendable t-slot table

T-slot table milled on the machine itself — a functional test of the completed build.