Precision Robotic Joint M8025 with Harmonic Gearbox and Encoder

• ✔ Integrated harmonic gearbox, motor, driver and encoder in one compact unit
• ✔ High accuracy with 15-bit absolute encoder and resolution of 32768 pulses per revolution
• ✔ Robust torque output thanks to multi-stage DD motor structure
• ✔ Advanced CANopen communication (CiA301 V4.2.0) for easy integration
• ✔ Extremely low noise and vibration for smooth and reliable operation
• ✔ FOC vector control for precise position and speed control
• ✔ Multi-axis absolute encoder with low power consumption and position memory

Introducing the M8025 series, a cutting-edge robot joint module that revolutionizes robotic arm design. This integrated actuator perfectly combines a harmonic gearbox, a high-performance DC motor, a precision encoder, and an intelligent controller. Its design is optimized for fast and efficient assembly, making it an ideal choice for developing modern robotic systems.

🎯 What makes this joint special?

• Advanced CANopen communication according to CiA301 V4.2.0 with support for SDO, TPDO, RPDO and speed/position modes.
• Extremely precise 15-bit absolute encoder with up to 32768 pulses per revolution.
• Integrated harmonic reducer, motor, driver and encoder in one compact unit.
• Multi-stage DD motor structure ensuring high output torque.
• Advanced FOC vector control for precise closed-loop position and velocity control.
• Low noise and vibration for smooth and reliable operation.
• Multi-axis absolute encoder function with low power consumption and position memory even after power off.
• Extensive protection functions including rotation lock, overcurrent and overvoltage protection.
• Support position mode with pulse + direction signal and encoder tracking.
• Support for speed mode with PWM signal control.

🔍 Explore every detail of a robotic joint

The modular design of this actuator brings significant optimization in weight, size, installation method and overall appearance compared to traditional solutions. Its compact design meets the high demands for miniaturization, lightness and modularity, which are key for modern robotics.

Its versatility and robust design make this robotic joint ideal for a wide range of applications. Whether it's cooperative robots, lightweight robots, industrial robots, service robots or automation equipment, it always delivers reliable performance and precise control. It enables the rapid and efficient construction of complex robotic arms with minimal space and integration requirements.

The manufacturer emphasizes innovation and integration, which is reflected in the seamless synergy of a harmonic gearbox, a powerful motor, a precision encoder and an intelligent driver. This all-in-one concept simplifies the design and reduces the complexity of robotic systems, while providing excellent control and dynamics.

🤔 Are you bothered by the complex integration of robotic components?

Creating advanced robotic arms often faces challenges integrating multiple discrete components – motors, gearboxes, encoders and controllers. This fragmentation extends development time, increases wiring and assembly complexity, and often results in larger and heavier robotic designs that lack optimal efficiency and aesthetics.

🚀 Discover an easier path to precision robotics!

The M8025 modular actuator offers an elegant solution. By integrating all key components into one compact unit, it greatly simplifies the entire process of designing and building robotic joints. It enables faster and more efficient robot development, minimizes space requirements, and offers excellent performance with minimal vibration and noise, resulting in smoother and more precise motion.

✨ More than just features: Real benefits for your project

• Feature: Integrated design (harmonic gearbox, motor, driver, encoder) -> Benefit: Simplified design and quick assembly of robotic arms, reduces system complexity.
• Features: 15-bit absolute encoder and FOC control -> Benefit: Extreme precision and smoothness of movement, crucial for sensitive applications.
• Feature: Low noise and vibration -> Benefit: Improves user comfort and robot reliability in sensitive environments.
• Function: Multi-axis absolute position memory with low power consumption -> Benefit: Instant knowledge of the robot's position even after power off, energy saving and faster startup.
• Function: CANopen communication -> Benefit: Easy integration into existing industrial systems and advanced control capabilities.

👥 Who is this robotic joint the ideal choice for?

• Developers of cooperative and lightweight robots who require compact and high-performance solutions.
• Engineers in industrial automation and manufacturing, looking for reliable and precise actuators for their lines.
• Researchers and academics who are building prototypes of humanoid or service robots and need modular and easy-to-integrate components.

💡 Do you have concerns? We'll answer them

• Concern: Will integrating this module into my system be difficult? -> Answer: Thanks to the integrated design and standard CANopen communication, integration is surprisingly fast and easy. The supplied software also makes configuration easy.
• Concern: What is the reliability and durability of such a compact solution? -> Answer: The manufacturer emphasizes robustness and a design life of 8500 hours. In addition, integrated protection functions increase resistance to common operating errors.
• Concern: What if I need technical support or configuration assistance? -> Answer: Our team is ready to provide you with professional technical support and materials for effective use of the product.

⚙️ Technical specifications

Parameter	M8025E25B50	M8025E25B80	M8025E25B100
Overall parameters
Rated motor voltage	36VDC±10%	36VDC±10%	36VDC±10%
Rated motor current	7A	7A	7A
Output torque after deceleration	51NM	85NM	100NM
Weight	2.5KG	2.5KG	2.5KG
Speed ​​range after deceleration	0~30RPM	0~18RPM	0~10RPM
Reducer parameters
Reduction ratio	50	80	100
Rated output torque	51NM	85NM	100NM
Peak torque (start/stop)	127NM	178NM	190NM
Dead run	Less than 20 arc seconds
Design life	8500 hours
Engine parameters
Torque	2NM
Rated speed	1000RPM
Maximum rotation speed	1500RPM
Performance	200W
Resistance	0.53
Inductance	0.5mh
Rotational inertia	1.74x10 -4 KG / M 2
Feedback signal
Encoder	Multi-axis absolute encoder (single-axis 15 bit, multi-axis 9 bit)
Cooling mode
Cooling	Natural cooling
Position control mode
Maximum input pulse frequency	500KHz
Pulse instruction mode	Pulse + direction, phase A + phase B
Electronic gear ratio	Adjustable 1~65535 to 1~65535
Position sampling frequency	2KHz
Protective functions
Protections	Rotation lock alarm, overcurrent alarm, overvoltage alarm
Communication interface
Interface	Easycan (CAN communication, speed 1 M)
Operating environment
Ambient temperature	0~40°C
Maximum permissible engine temperature	85°C

❓ Frequently Asked Questions

What are the key benefits of this integrated robotic joint?

This module significantly simplifies the design and assembly of robotic arms, reduces the overall weight and size of the system, and increases accuracy and reliability through seamless integration of key components.

What type of communication is supported?

The actuator supports isolated CANopen communication according to the CiA301 V4.2.0 specification, including SDO, TPDO, RPDO, as well as speed and position control modes.

What is the accuracy of the encoder?

It is equipped with a high-precision 15-bit absolute encoder with a resolution of up to 32768 pulses per revolution and a multi-axis absolute position memory function that maintains information even after power is turned off.

What types of robots is this joint suitable for?

It is ideal for a wide range of applications, including cooperative robots, lightweight robots, industrial robots, service robots, and automation equipment where miniaturization, modularity, and precise control are important.

What protective functions does the actuator offer?

The actuator is equipped with comprehensive protection functions such as rotation lock alarm, overcurrent protection and overvoltage protection, which ensure its reliable and safe operation.

Is it possible to try the module before making a larger purchase?

Yes, it is possible to order a sample to test the quality and functionality of the product to verify that it meets your specific requirements.

How long does it take to deliver the ordered module?

Delivery time is usually between 9 to 15 days for standard quantities. For custom items or large volume orders, we recommend checking delivery times directly with our sales team.