G-Penny 220v/380v 3.7kw ER20 Water Cooled Metal Working Spindle Motor Kits 4000-9000rpm Pole=4 & Frequency Drive & Pump & Holde

Size: 100x289.5mm (Middle body diameter: 100mm x Length: 289.5mm)

Speed Ways: Through 3-phase output inverter and adjust the inverter frequency to change the spindle speed.

Cooling: Water cooling

Power Interface: Optional YX20-4 pins waterproof air plug. The air plug marked "1 ","2"," 3"," 4", "1 ","2 ","3" were connected to inverter (U, V, W), 4 connected inverter ground.

Power: 3.7kw

Voltage: 220v/380v

Current: 16A/9A

Frequency: 300Hz

Working Speed: 4000-9000rpm

Pole: 4

Runout Off: Less than 0.01mm

Diameter(mm): 100

4 pcs Ceramic Ball Bearings (fully sealed angular contact bearings)

Collet: ER20

Clip Knife diameter: 1-13mm
Main Application:Engrave for iron,steel,stainless steel, aluminum,hard wood etc.(This is professional metal spindle, high accuracy,big torque)

The structure of this spindle is different from that of woodworking spindles. Its rigidity is much greater than that of woodworking spindles. At low speeds, its torque is greater than that of woodworking spindles, and it can work well at low speeds.