300W Spindle Motor DIY Dc 12-48 Cnc 0.3KW Air Cooled Spindle Motor For PCB Milling Machine Engraving Machine

Elevate your machining precision with this professional-grade CNC spindle. Engineered for high-speed performance and exceptional reliability, this spindle motor is a critical upgrade for any CNC router or milling machine. Whether you are engraving intricate designs in soft woods or performing heavy-duty milling on aluminum and composites, our motor delivers stable torque and consistent power. Available in both advanced water-cooled and efficient air-cooled configurations, it is designed to maintain optimal operating temperatures even during long production runs. With high-precision bearings for minimal runout and a rugged, industrial-style housing, this CNC spindle motor ensures professional-grade accuracy and a superior surface finish for all your woodworking and metalworking projects.

300W spindle motor DIY dc 12-48 cnc 0.3KW Air cooled spindle motor for PCB milling machine engraving machine

Precautions

Spindle Arbor ER11 Arbor Clamp (1mm-7mm) Default Hair 3.175 MM Chuck

Spindle Arbor ER16 Arbor Clip (1mm-10mm) Default Hair 8 MM Chuck

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Working voltage :

12-48VDC

Power: 300W

Speed :3000-12000RPM (12v-3000rpm,24V-6000rpm,36V-9000rpm .48V-12000rpm)

Torque:400mN.m

Insulation resistance:> 2 megohms

Dielectric strength: 400V

Diameter: 52mm

Chuck Part Length: Arbor parts 35mm, (including nuts and sandwich 43mm)

Part chuck diameter: 16mm

Motor length: 178mm (including gripping parts and motor)