G-Penny CNC Spindle Motor 7.5kw Er32 125mm 220V 380V Metal Stone Engraving Milling Working Water Cooled Spindle Motor High Speed Electric Motor

G-Penny CNC Spindle Motor 7.5kw Er32 125mm 220V 380V Metal Stone Engraving Milling Working Water Cooled Spindle Motor High Speed Electric Motor. High Precision Runout: Runout accuracy is less than 0.01mm for professional metal engraving and cutting. Ceramic Ball Bearings: Features 4 fully sealed ceramic ball bearings for low heat, low noise, and long life. Dual Speed Range: Operating speed reaches 12000rpm at 400Hz and 24000rpm at 800Hz via inverter. Water Cooling System: Designed for water cooling with optional waterproof air plug interface for efficient heat dissipation. High Torque Output: Delivers 3.98Nm maximum torque suitable for milling iron, steel, and stainless steel. 1-Year Warranty: Comes with a 1-year warranty covering mechanical defects and parts replacement. Customization Available: Flexible customization options including logo printing and design-based production available. Labyrinth Seals: Equipped with 4 labyrinth seals to prevent lubricant leakage and impurity intrusion.