Sinjoe CNC router spindle GDZ93*82-3.5 with 3500w.As a 18000rpm air cooling CNC spindle ,it has a square bottom.For materials like metal and non-metallic materials,3.5kw power can work with a good speed and effects.
Imported Italy bearings and key parts ensure the quality and lifespan.Stable performance with wood ,plastics,stone,etc.Suit for advertisement,mold,electronics,etc industry.

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Specifications:
Bearing Type: 2×7007C P4+2×7002C P4
Max Torque: 1.92Nm
Max speed: 18000 rev / min
Max Frequency: 300Hz
Rated Voltage: 220V/ 380V
Radial Runout: 0.01mm (10 microns that is, less than one wire)
Axis degree: 0.025mm (2.5 microns)
Clamping diameter: ER25 collet, standard configuration 6mm
Nut Model: ER25-A-type
Collet Nut : 3.175mm,6mm,12.7mm
Speed mode: 0-18000 stepless speed control can be achieved through the inverter to adjust the output voltage and operating frequency.
Cooling mode: air cooling mode
Diameter: 82mm
Lubrication: high temperature grease 
Net Weight: 9.2Kg