Othermill Pro Desktop CNC Mill

Image of Othermill

The Othermill Pro is a Desktop CNC Milling Machine that provides precision cutting. Often used for making PCB board, light engravings, wax carving jewelry parts, stamps, brands, and machining small parts.

REQUIREMENTS

  • Intro to Desktop CNC Milling (Othermill)

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

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