Machining spindle DQFX-12030/8.5-40

for grindingAC motorBT 30

Product overview
This variant delivers an 8.5 kW, Ø120 mm spindle platform designed for integration with machines using BBT30 tooling. The choice of tool interface (BBT30) enables high torque integration in compatible CNC equipment without changing the motor architecture.

Basic parameters
Diameter: Φ120 mm
Maximum speed: 30,000 rpm
Power (S1): 8.5 kW
Power (S6): 12.75 kW
Torque (S1): 8.1 N·m
Torque (S6-40%): 12.15 N·m

Technical data
Spindle model: DQFX-12030/8.5-40
Diameter (mm): φ120
Maximum speed (rpm): 30,000
Tool interface: BBT30
Bearing type: Ceramic ball bearing
Max. frequency (Hz): 1,000
Motor system: Asynchronous
Rated voltage (V): 380
Power output S1 100% (kW): 8.5
Power output S6 40% (kW): 12.75
Output torque S1 100% (N·m): 8.1
Output torque S6 40% (N·m): 12.15
Rated current S1 100% (A): 17.4
Rated current S6 40% (A): 26.1
Air seal gas flow rate (L/min): 60 ± 20 (Air pressure 0.15 MPa)
Cooling system: Water cooling (recommended)
Cooling flow rate (L/min): 4-6 (Water pressure 0.25 MPa)
Motor temperature sensor type: KTY84-130
Tool change: Air cylinder
Tool change air pressure (MPa): 0.55-0.60
Vibration velocity (mm/s): ≤0.8
Weight (kg): 28 ± 1

Features / Technical specifications

• Model family: DGZX-12030 series
• Tool interface: BBT30 (BBT30 tooling compatibility)
• Spindle outer diameter: Φ120 mm
• Maximum rotational speed: 30,000 rpm
• Power output S1 (continuous): 8.5 kW
• Power output S6 (intermittent): 12.75 kW
• Torque S1 (continuous): 8.1 N·m
• Torque S6 (40%): 12.15 N·m
• Bearing: Ceramic ball bearings
• Motor type: Asynchronous motor
• Rated voltage: 380 V
• Rated current S1: 17.4 A
• Rated current S6: 26.1 A
• Air seal gas flow: 60 ± 20 L/min (0.15 MPa)
• Cooling: Water cooling recommended; flow 4-6 L/min (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
• Weight: 28 ± 1 kg