Our AC Servo Motor for CNC Machines is engineered to meet the high demands of precision machining, offering accurate position control, stable speed regulation, and high dynamic response. Designed for continuous operation under varying loads, the motor ensures smooth acceleration, precise interpolation, and excellent surface finish in CNC applications.

The motor features a high-resolution encoder for precise feedback, low cogging torque for smooth motion, and a high torque-to-inertia ratio to support rapid start-stop cycles. With optimized electromagnetic design and efficient thermal management, it maintains consistent performance during long machining cycles. Fully compatible with mainstream CNC servo drives and controllers, this servo motor is widely used in CNC milling machines, lathes, machining centers, and multi-axis CNC systems, supporting both standard configurations and OEM customization.

CNC Equipment – Required Basic Motor Parameters

1. Electrical Parameters

Rated Voltage: 220V / 380V AC

Phase: 3-phase

Rated Power: 400W – 15kW (depending on axis and machine size)

Rated Current: Matched to servo drive specifications

Insulation Class: Class F or higher

2. Performance Parameters

Rated Torque: According to axis load and cutting force

Peak Torque: 2.5–3 times rated torque

Rated Speed: 1500 / 2000 / 3000 rpm

Maximum Speed: Up to 5000 rpm

Torque Ripple: Low torque ripple for smooth machining

3. Feedback & Control

Encoder Type: Incremental / Absolute encoder

Encoder Resolution: 17–23 bit

Control Modes: Position / Speed / Torque control

Feedback Accuracy: High precision for contouring and interpolation

4. Mechanical Parameters

Frame Size: Standard CNC motor frames

Shaft Type: Keyed or smooth shaft

Mounting Type: Flange mounting

Protection Level: IP65 or above

Cooling: Natural or forced air cooling

5. Environmental & Reliability

Operating Temperature: 0–40°C

Duty Cycle: Continuous operation (S1)

Vibration & Noise: Low vibration, low noise design

Application of AC servo motors in cNC machine

AC servo motors are widely used in CNC machines to drive feed axes and auxiliary motion systems. They provide precise position and speed control, fast dynamic response, and stable torque output, enabling accurate tool movement, smooth interpolation, and high machining accuracy in milling machines, lathes, and machining centers.

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