The Othermill Pro is a Desktop Computer Numerical Controlled Milling Machine that provides precision cutting.

Technical Specs

Dimensions

Frame Dimensions:                         10.25 × 10 × 12.75 in
260 × 254 × 324 mm

Overall Dimensions:                        12.75 × 12 × 12.875 in
324 × 305 × 327 mm

Working Volume:                             5.5 × 4.5 × 1.6 in

(spoilboard removed)                    140 × 114 × 40.6 mm

Working Volume:                             5.5 × 4.5 × 1.35 in

(spoilboard installed)                      140 × 114 × 34.3 mm

Weight                                                 16.8 lb, 7.62kg

Mechanics

Body                                                      3/8 in (9.5 mm) HDPE
and 6061 aluminum

Ways                                                     Case-hardened precision-ground steel

Bed                                                        ¼ in (6.4 mm) 6061 aluminum mounting plate

XYZ Bearings                                      PTFE-filled acetal resin sleeve bearing
Allows for faster rapid speed and increased machine rigidity

XYZ Motors                                         Stepper motors with
0.000125 in (0.003175 mm) micro stepping

Spindle Motor                                   Custom designed brushless DC motor dynamically balanced to G2.5 grade for minimal vibration.
Extends tool life Increases precision Reduces machine noise

Max XYZ Traverse Speed               100 in/min
2,600 mm/min

Spindle Speed                                   8,500 – 26,000 rpm

Accuracy                                             <0.003’’ per 6’’ linear travel

Repeatability                                      =± 0.001 in

Backlash                                               <0.002”

Max Resolution                                 0.001 in
25 microns

PCB Cut Speed                                  Up to 100 in/min
2,600 mm/min

Power Requirements                     100-240 V AC 50/60Hz 1.4A

Consumption                                   50W Typical / 120W Peak

Operating Temperature                40-110 °F

4-43 °C

Tools

Tool Holding                                       ER-11 Collet

Largest Recommended                  1/8 in

Shank Size                                           3.5mm

Smallest Recommended               0.010 in

End Mill Size                                       0.25 mm