Ac Stepper Motor
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Ac Stepper Motor

Micro stepper motors are ultra-compact, precision drive components developed specifically for applications requiring limited installation space, fine-tuned precision, and low power consumption; they belong to the core category of micro hybrid stepper motors.
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Product Introduction
What is a Ac Stepper Motor? 
AC stepper motors are high-voltage drive units specifically engineered for demanding industrial applications requiring high power, high speeds, and continuous, long-term operation. Unlike conventional low-voltage DC stepper motors, this series supports direct AC 110V/220V mains input, eliminating the need for DC switching power supplies. By utilizing AC variable-frequency drive principles to generate a stable rotating magnetic field, these motors achieve high-precision pulse positioning and high-speed continuous operation. They effectively resolve common industry pain points associated with DC stepper motors, such as poor high-voltage performance, torque drop-off at high speeds, excessive heat generation in high-power applications, and complex power supply requirements.
Characterized by high-voltage/high-power capabilities, constant torque at high speeds, strong interference resistance, direct mains compatibility, and stable 24-hour continuous operation, these AC stepper motors serve as core drive components for heavy-duty automation, large-scale CNC equipment, and long-cycle assembly line operations. Our entire AC stepper motor lineup has undergone rigorous third-party testing; the specifications are authentic and traceable, certifications are comprehensive, and batch consistency is high. Suitable for both domestic and international industrial high-voltage power environments, these motors represent the ideal solution for high-power, precision positioning equipment.

Features

 

- Direct High-Voltage Mains Input & Simplified Wiring: Supports direct drive from AC 110V/220V industrial mains, eliminating the need for bulky, high-power DC switching power supplies. This simplifies the control cabinet layout, reduces wiring costs and potential points of failure, and aligns with standardized factory high-voltage power infrastructure, significantly boosting installation and commissioning efficiency.

 

- High-Speed ​​Constant Torque without High-Speed ​​Roll-off: Leveraging AC magnetic field drive characteristics, it delivers over 40% higher torque retention at high speeds compared to DC stepper motors. It effectively eliminates issues such as power loss, step loss, and vibration during high-speed operation, ensuring stability for continuous medium-to-high-speed feeding and prolonged constant-speed tasks.

 

- High Power & Heavy-Duty Capability: Optimized high-voltage windings and magnetic circuit structures provide a wider power range and robust output. Capable of driving high-inertia loads-such as heavy-duty slide tables, large indexing tables, and gantry drive mechanisms-it ensures smooth start-stop performance under heavy loads without stalling or positional deviation.

 

Products description

 

Motor type

Ac Stepper Motor

Step angle

1.8°

Step Angle Accuracy

±5% full step, no load

Radial Play

0.02mm@450 g

Axial Play

0.08mm@450 g

Max. radial force

75N 20mm from the flange

Max. axial force

15N

Dielectric Strength

600VAC/1S

Insulation Resistance

100MΩ ,500VDC

Ambient temperature

-20℃~+50℃

Insulation Class

Class B

 

Application

motor1motor2motor3

 

Our advantage

 

product-1269-888

 

product-1268-1438

 

product-1654-2232

 

Company profile

 

ANJO

company advantage

 

product-1-1

 

FAQ

 

Q1: Can an AC stepper motor be connected directly to 220V AC power?

A1: It cannot be operated by connecting it directly to the power supply; it must be used with a compatible high-voltage stepper driver.

Q2: Do AC stepper motors lose steps at high speeds?

A2: Industrial-grade AC stepper motors effectively eliminate this issue. Leveraging the advantages of high-voltage driving, the motor exhibits no significant torque drop-off in the high-speed range of 0–2000 rpm; when paired with micro-stepping drives, it ensures precise positioning without step loss or positional drift.

Q3: What type of driver is required for an AC stepper motor? Can a standard driver be used?

A3: It requires a dedicated stepper driver designed for AC 220V high-voltage input; a low-voltage DC driver cannot be used as a substitute.

 

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