As a test of the Super Gerbil CNC controller installed on a Nomad 883 CNC machine, we designed and built a small model truck...
Parts and material
2,3 and 6mm acylic
6mm flanged bearings (4 OFF)
6mm brass rod
6mm (or 1/4") collars (2 OFF)
3mm hex head screws
Stand offs (10 OFF)
Double sided tape (for workholding)
Tools
3D printer
CNC machine
Super Gerbil CNC controller
Fusion 360
acrylic scoring knife
calipers and ruler
Feeds and speeds (conservative)
For detail:
1.6mm 2FL endmill @10000 RPM, ramp 100mm/min, plunge 75mm/min, DOC=0.35mm
1.6mm 2FL ball endmill @10000 RPM, ramp 100mm/min, plunge 75mm/min, stepover=0.3mm
2mm 3FL endmill @ 8000 RPM, ramp 75mm/min, plunge 75 mm/min, DOC = 0.25mm
For bulk removal:
3mm 3FL endmill @ 10000 RPM, ramp 300mm/min, plunge 75 mm/min, DOC=0.35mm
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