Shenzhen Lichuan Electric Co., Ltd. 深圳市新力川电气有限公司

Stepper Servo · 17 Years of Expertise

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1. All Products
Servo Series
7. Low Pressure Servo
Multi-axis Series
All-in-one machine
Bus Series
Closed-loop series

Hot Searches:Stepper Driver | EtherCAT | Closed-loop Stepper Motor | All-in-one Machine

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Stepper Driver Series

Stepper Driver Series

Bus Driver Series

Bus Driver Series

Stepper Motor Series

Stepper Motor Series

Servo Driver Series

Servo Driver Series

Servo Motor Series

Servo Motor Series

Integrated motor

Integrated motor

Reducer

Reducer

PLC

PLC

Touchscreen (HMI)

Touchscreen (HMI)

Ball Screw Motor

Ball Screw Motor

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COMPANY

Focused on Industrial Automation Control Products
Specialized and Innovative Enterprise

Shenzhen Lichuan Electric Co., Ltd. was established in 2009, dedicated to the research, development, production, and sales of automation products. We focus on technology and customer-centricity, providing high-quality automation products and first-class solutions to meet the needs and requirements of different customers.

Our company has an automation R&D center, production base, sales network, and after-sales service team. Our R&D team consists of experienced and skilled engineers who continuously explore and research new technologies and new materials to provide customers with more accurate, efficient, safe, and durable automation products.

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2009

Company Established

5000 +

Factory Area (M2)

150 +

Qualification Certification

60 +

Products Exported Abroad

IndustryApplication

Mask Machine Industry
CNC Machine Tool Industry
Automatic tapping machine
Medical Equipment
New Energy
Electronic Manufacturing Equipment
Textile Packaging Industry
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Mask Machine Industry

Mask Machine Industry

KZ Series

Medical mask production

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CNC Machine Tool Industry

CNC Machine Tool Industry

SK Series

Precision CNC Machining

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Automatic tapping machine

Automatic tapping machine

GK Series

Automatic tapping machine, industry

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Medical Equipment

Medical Equipment

YL Series

Medical Specialized Equipment

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New Energy

New Energy

XN Series

Clean Energy Industry

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Electronic Manufacturing Equipment

Electronic Manufacturing Equipment

DZ Series

Electronic Manufacturing Equipment

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Textile Packaging Industry

Textile Packaging Industry

FZ Series

Textile Packaging Industry

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QualificationCertificate

ISO Certificate
Registered Trademark (Lichuan)
Registered Trademark (Lichuan)
Certificate for Specialized, Refined, Distinctive, and Innovative Small and Medium-sized Enterprises
Business License
Driver testing equipment and the driver testing method using it
Digital Display Closed-Loop Stepper Driver (LCDA606H)
CAN bus isolation circuit
An industrial stepper servo motor that is easy to install and position
An automatic lubrication device for industrial servo mechanical parts
Closed-loop Stepper Motor Integrated CAN Bus Control System V1.0
Power Rectifier System of Servo Drive V1.0
Two-phase stepper driver servo control system V1.0
Closed-loop Motor - CE Certificate
AC Servo Motor - CE Certificate
RoHS Certificate

News & Blog

Company News FAQ
[New Arrival] A8 High-Performance AC Servo

[New Arrival] A8 High-Performance AC Servo

This series is a high-performance AC servo driver, integrating the STO (Safe Torque Off) safety torque off function, compliant with IEC 61800-5-2 safety standards, capable of achieving safe shutdown in emergency situations. The system supports full closed-loop control mode, achieving positioning accuracy of ±1 pulse through high-resolution encoder feedback, compatible with rotary motors and linear motor applications. Equipped with a Type-C debugging interface, it supports real-time parameter configuration and has a built-in RS485 communication interface (Modbus RTU protocol), with an adjustable baud rate range of 9.6 kbps to 115.2 kbps. It uses Field Oriented Control (FOC) algorithm, suitable for high dynamic response scenarios such as precision CNC and semiconductor equipment.

03-28

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[New Product Launch] A5 Series EtherCAT Bus Servo

[New Product Launch] A5 Series EtherCAT Bus Servo

As a high-tech enterprise integrating industrial automation control product research and development, production, and sales, and as an industry leader, Shenzhen Lichuan Electric Co., Ltd. showcased its hybrid servo/open-loop stepper drive systems, servo motors, stepper motor drivers, digital stepper motor drivers, one-to-two stepper motor drivers, mini drivers, low-voltage DC servos, PLCs, touch screens, reducers, and ball screw motor products at the March 2023 Shenzhen International Machinery Manufacturing Industry Exhibition. The key new product exhibited was the A5 servo motor series.

08-11

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Lichuan A5 Series AC Servo

Lichuan A5 Series AC Servo

As a high-tech enterprise integrating R&D, production, and sales of industrial automation control products, and as a leading company in the industry, Shenzhen Lichuan Electric Co., Ltd. showcased its hybrid servo/open-loop stepper drive systems, servo motors, stepper motor drivers, digital stepper motor drivers, one-to-two stepper motor drivers, mini drivers, low-voltage DC servos, PLCs, touch screens, reducers, and ball screw motor products at the Shenzhen International Machinery Manufacturing Industry Exhibition in March 2023. Among the key new products exhibited was the A5 servo motor series. Remaining true to our original aspiration and firm belief is the soul of our company; focusing on doing one thing well—making better servo motors—is our goal; balancing product quality and service is our commitment; providing you with the most suitable motor is our vision. If none of the above meet your needs, that's okay, because we specialize in Professional Customization Professional Customization Professional Customization We have professional R&D and application teams looking forward to providing comprehensive services to everyone!

03-28

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When using a motor with a brake installed on the vertical Z-axis, the spindle drops slightly when the servo is off before the brake engages. How can this issue be resolved?

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Under the correct wiring method, the motor brake is controlled to open and close by the driver's DO signal BRK-OFF. When servo is on, the driver outputs a signal to release the brake; when servo is off, the brake is applied. Before turning off the servo on, the brake is engaged first to prevent the machine head from dropping. (The brake must be controlled by an intermediate relay)

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When powering on during servo test, the motor vibrates and makes a loud noise, then the servo alarm goes off. How to solve this?

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This phenomenon is caused by the driver gain being set too high, resulting in self-excited oscillation. Please adjust the parameters to reduce the system stiffness.

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During normal use, the motor temperature becomes very high due to frequent start-stop cycles. Will long-term use under these conditions damage the motor?

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The servo motor encoder will be damaged when the temperature reaches above 85 degrees Celsius. The rotor temperature of the servo motor will experience demagnetization when it exceeds 130 degrees Celsius. Due to the temperature difference inside and outside the servo motor, when the surface temperature of the motor body is about 85 degrees Celsius, the internal temperature of the motor reaches 130 degrees. In situations where the servo motor starts and stops frequently, the temperature of the servo motor may become very high. At this time, forced cooling measures need to be taken externally, such as adding cooling fans, removing the internal regenerative resistor, and installing a higher power regenerative resistor externally.

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What are the functions and differences of ordinary encoders, single-turn absolute encoders, and multi-turn absolute encoders?

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A standard encoder provides a fixed number of pulses per revolution and cannot record the motor's stopping angle within one revolution. A single-turn absolute encoder, in addition to providing a fixed number of pulses per revolution, can record the stopping angle within a single revolution but cannot record the number of revolutions the motor has run. A multi-turn absolute encoder can record the number of revolutions based on the single-turn absolute encoder but requires a built-in battery or other power supply devices.

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What types of stepper motors are there?

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Stepper motors are divided into three types: Permanent Magnet (PM), Variable Reluctance (VR), and Hybrid (HB). Permanent magnet stepper motors are generally two-phase, with smaller torque and size, and a step angle usually of 7.5 degrees or 1.5 degrees; variable reluctance stepper motors are generally three-phase, capable of high torque output, with a step angle usually of 1.5 degrees, but they have high noise and vibration. Hybrid stepper motors combine the advantages of permanent magnet and variable reluctance types. They are further divided into two-phase and five-phase: the two-phase step angle is generally 1.8 degrees, while the five-phase step angle is generally 0.72 degrees. This type of stepper motor is the most widely used.

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What is Holding Torque?

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Holding torque refers to the torque that locks the rotor when the stepper motor is powered but not rotating. It is one of the most important parameters of a stepper motor. Typically, the torque of a stepper motor at low speed is close to the holding torque. Since the output torque of a stepper motor decreases continuously as speed increases, and the output power also changes with speed, holding torque becomes one of the most important parameters for measuring a stepper motor. For example, when people refer to a 2N.m stepper motor without special explanation, it means a stepper motor with a holding torque of 2N.m.

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Shenzhen Lichuan Electric Co., Ltd.

Shenzhen Lichuan Electric Co., Ltd.

Technical Support

Engineer Peng:+86-135-3098-8140
Engineer Xie:86-159-0755-7836
Engineer Rao:86-180-2520-1553
Engineer Zuo:86-180-2901-2526

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