Grinding spindle DQFX-12030/8.5-40

for glass working

Product overview
The HSK E40 interface and 12.15 N·m intermittent torque configure this spindle for heavier glass-machining duties. Its φ120 mm body prioritizes tool-connection rigidity and cutting reserve over the maximum speed of smaller spindle bodies. Water cooling is recommended for sustained heavy use.

Key specifications (summary)
Diameter: Φ120 mm
Maximum speed: 30,000 rpm
Torque (S1): 8.1 N·m
Torque (S6-40%): 12.15 N·m
Power (S1): 8.5 kW
Power (S6-40%): 12.75 kW
Tool interface: HSK E40
Bearing type: Ceramic ball bearing
Rated voltage: 380 V
Weight: 28 ± 1 kg

Additional technical details
Max. frequency: 1,000 Hz
Rated current S1 100%: 17.4 A
Rated current S6 40%: 26.1 A
Air seal gas flow rate: 60 ± 20 L/min (air pressure 0.15 MPa)
Cooling system: Water cooling (recommended)
Cooling flow rate: 4–6 L/min (water pressure 0.25 MPa)
Motor temperature sensor: KTY84-130
Tool change: Air cylinder (air pressure 0.55–0.60 MPa)
Vibration velocity: ≤ 0.8 mm/s

Technical features / specifications

• Spindle model: DQFX-12030/8.5-40
• Commercial reference: DGZX-12030
• Diameter: φ120 mm
• Maximum speed: 30,000 rpm
• Tool interface: HSK E40
• Bearing type: Ceramic ball bearing
• Power output S1 (100%): 8.5 kW
• Power output S6 (40%): 12.75 kW
• Output torque S1 (100%): 8.1 N·m
• Output torque S6 (40%): 12.15 N·m
• Rated current S1: 17.4 A
• Rated current S6: 26.1 A
• Rated voltage: 380 V
• Motor system: Asynchronous
• Cooling: Water cooling recommended (4–6 L/min at 0.25 MPa)
• Air seal gas flow: 60 ± 20 L/min (0.15 MPa)
• Motor temperature sensor: KTY84-130
• Tool change: Air cylinder (0.55–0.60 MPa)
• Vibration velocity: ≤ 0.8 mm/s
• Weight: 28 ± 1 kg