Grinding spindle DGZX-08040/4.0-ISO

multi-toolmotorizedISO 20

Overview
This DGZX-08040/4.0-ISO spindle is designed for compact machine tools using ISO 20 tooling. The φ80 mm body and 40,000 rpm rating deliver performance comparable to the HSK variant while the ISO interface defines machine compatibility and tool-system selection.

Key specifications (summary)
Diameter: φ80 mm
Maximum speed: 40,000 rpm
Tool interface: ISO 20
Power S1 (continuous): 4.0 kW
Power S6 (intermittent 40%): 6.0 kW

Technical Data
Spindle model: DGZX-08040/4.0-ISO
Highest speed: 40,000 rpm (max. frequency 1333 Hz)
Bearing type: ceramic ball bearings
Motor system: asynchronous
Rated voltage: 380 V
Output torque S1: 1.29 N·m; S6 40%: 1.93 N·m
Rated current S1: 8.2 A; S6: 12.3 A
Air-seal gas flow: 50 ± 15 L/min (air pressure 0.15 MPa)
Cooling: water cooling recommended; cooling flow 2–3 L/min (water pressure 0.25 MPa)
Motor temp sensor: KTY or PTC (optional)
Tool change: air cylinder (air pressure 0.55–0.60 MPa)
Vibration velocity: ≤ 0.8 mm/s
Weight: 8 ± 1 kg

Dimensions
Mounting and overall drawings are available on the product page (see image).

Features / Technical specifications

• Model: DGZX-08040/4.0-ISO
• Body diameter: φ80 mm
• Maximum speed: 40,000 rpm
• Tool interface: ISO 20
• Bearing: ceramic ball bearings
• Motor: asynchronous motor system
• Rated voltage: 380 V
• Power output S1 (100%): 4.0 kW
• Power output S6 (40%): 6.0 kW
• Output torque S1: 1.29 N·m; S6: 1.93 N·m
• Rated current S1: 8.2 A; S6: 12.3 A
• Air-seal gas flow: 50 ± 15 L/min (0.15 MPa)
• Recommended cooling: water, 2–3 L/min (0.25 MPa)
• Motor temp sensor: KTY or PTC (optional)
• Tool change: pneumatic cylinder (0.55–0.60 MPa)
• Vibration velocity: ≤ 0.8 mm/s
• Weight: ≈ 8 ± 1 kg