Surface treatment spindle DYFDM-125(100)30/40-XWS

for grindingmotorizedISO

Overview
The DYFDM-125(100)30/40-XWS spindle is designed for precision curved-surface grinding. It integrates a built-in synchronous motor (40 kW) with a continuous torque of 127.4 N·m and delivers rotation accuracy to 0.0001 mm for controlled grinding operations.

Applications
Suitable for precision grinding of curved components such as molds, turbine and aero components, and other industrial parts requiring high rotation accuracy and axial stiffness.

Key specifications
Maximum speed: 3000 rpm
Power (S1): 40 kW
Torque (S1): 127.4 N·m
Rotation precision: ≤0.0001 mm
Center height: 125 mm
Cooling: Water cooling (recommended)

Technical details

• Model: DYFDM-125(100)30/40-XWS
• Center height: 125 mm
• Lubricating oil type: ISO VG2
• Oil supply pressure: 2.5–5.0 MPa
• Axial static stiffness: ≥800 N/μm
• Radial/axial stiffness: ≥360 N/μm (radial)
• Front end radial runout: ≤0.003 mm
• Axial end movement: ≤0.003 mm
• Rotation precision: ≤0.0001 mm
• Drive type: Built-in motor drive (synchronous motor)
• Rotation direction: Clockwise
• Maximum speed: 3000 rpm (Max. frequency: 200 Hz)
• Rated voltage: 380 V
• Rated current (S1 100%): 70 A
• Power output (S1 100%): 40 kW
• Output torque (S1 100%): 127.4 N·m
• Cooling system: Water cooling (recommended)
• Application area: Curved-surface grinding
• Weight: 245 ± 10 kg