Description:
This is an ER11 Chuck CNC 300W Spindle Motor with 52mm Clamps and AC 110V/220V Power Supply Speed Governor for CNC Machine. The spindle motor is designed for CNC routers, milling machines and other applications requiring high-speed rotary motion. The spindle uses forced air cooling for continuous operation and includes a 52mm mounting bracket and adjustable power supply.
Spindle motors are high-precision electric motors used in industrial 3-axis and 5-axis CNC routers, CNC milling machines and robots. Depending on the application, spindle motors can use different cooling methods. This model uses forced air cooling and is suitable for machining and engraving wood, plastic, metal and composite materials.
Application:
- Engraving metal materials
- Engraving non-metallic materials
- Use with CNC machines
- Use in CNC routers
- Use in CNC milling machines
Features:
- Spindle motor type: Brush DC Motor
- Working voltage: 12 to 48V DC
- Power: 300W
- Speed: 3000 to 12000 RPM
- Speed at 12V: 3000 RPM
- Speed at 24V: 6000 RPM
- Speed at 36V: 9000 RPM
- Speed at 48V: 12000 RPM
- Torque: 400mN.m
- Insulation resistance: >2 Megohms
- Insulation dielectric strength: 400V
- Spindle diameter: 52mm
- Chuck part length: 35mm
- Chuck part length including nut and collet: 43mm
- Chuck part diameter: 16mm
- Total motor length including clamping parts: 175mm
- Spindle weight: 0.8KG
- Mounting bracket weight: 0.34KG
- Net weight: 0.95KG
- Spindle radial runout: approximately 0.01 to 0.04mm
- Cooling method: forced air cooling
Power Supply:
- Type: Adjustable switching power supply
- Power: 360W
- Input voltage: AC 110V / 220V, 50/60Hz
- Output voltage: 0 to 48V DC
- Output voltage adjustment: continuously adjustable
- Output current: not adjustable
- Maximum output power: 360W
- Maximum output current: 7.5A at 48V
- Speed control: stepless adjustment using potentiometer
- Adjustment range: 0 to 100%
- Cooling: temperature-controlled cooling fan
- Fan operation: automatically turns on above 55°C and turns off below 55°C
- Overall dimensions: 215 × 115 × 50mm
- Power supply net weight: 0.95KG
- Bracket hole distance: 2 × 7cm
Cooling System:
The spindle uses forced air cooling to help maintain a suitable operating temperature during continuous operation. The switching power supply is also equipped with a temperature-controlled cooling fan that automatically operates according to the internal temperature.
Speed Control:
The spindle speed can be adjusted continuously using the potentiometer on the power supply. The available adjustment range is 0 to 100%, allowing the operating speed to be controlled according to the requirements of the application.