
G-Penny 3.2kw Er20 Stone Working CNC Spindle Motorwith Gas Nozzle. Water Cooled Design: Uses water cycle cooling for low noise and stable performance during heavy cutting. Gas Nozzle Feature: Equipped with gas nozzle to prevent dust from entering the spindle, ideal for stone working. High Precision Bearings: Features Class P4 ceramic ball bearings for low vibration and high machining precision. Labyrinth Seal Protection: Four labyrinth seals prevent lubricant leakage and block dust, moisture, and corrosive gases. Dual Voltage Support: Operates on both 220V and 380V AC power with corresponding current ratings. Extended Service Life: Designed for 24-hour continuous work with minimal thermal deformation and wear. Strong Load Capacity: Double 4-bearing structure increases rigidity by 40% for heavy milling without shaking. 1-Year Warranty: Includes a comprehensive 1-year warranty covering mechanical defects and parts.