Precision Robotic Joint with Frameless Motor 50mm for Humanoid Robots

• ✔ Extremely compact and ultra-lightweight design for agile robotic applications.
• ✔ Integrated FOC control and high-precision 17-bit absolute encoder.
• ✔ Frameless torsion motor with extraordinary torque density (>220Nm/kg).
• ✔ Precision harmonic reducer for smooth and reliable movement.
• ✔ Support for optional communication protocols (EtherCAT, CANopen, CANbus).
• ✔ Industrial quality with anti-shock and anti-static certification.

Discover a revolution in robotic articulation with this innovative 50mm diameter robotic joint. Designed for the most demanding applications, this integrated module combines compactness, low weight and unmatched precision, making it the ideal choice for the next generation of humanoid robots and advanced automation systems.

✨ What can this robotic joint do?

• Complete integration: The module includes an FOC control board, a high-precision multi-directional absolute encoder, a frameless torsion motor, and a precision harmonic reducer in one compact unit.
• Exceptional accuracy: The 17-bit omnidirectional absolute encoder on the motor side remembers the position even after power is turned off. Built-in dual 24+24 bit absolute encoders further enhance accuracy.
• Dynamic control: Adjustable PID loop for position, speed and current in real time enables dynamic and flexible control.
• High performance in a small package: Peak torque density of over 220 Nm/kg ensures strong and agile performance.
• Flexible communication: Support for optional communication protocols such as EtherCAT, CANopen and CANbus for easy integration into various systems.

🔍 Explore every detail

This innovative joint was designed with an emphasis on minimizing weight and maximizing performance. Its ultra-lightweight design, reducing weight by more than a third compared to comparable products, significantly reduces energy consumption and enables the creation of more agile and efficient robotic systems. The block-type stator winding and motor rotor design with optimized air gap contribute to excellent reliability and durability.

The manufacturer has placed emphasis on industrial reliability, as evidenced by anti-static certification for the automotive industry and anti-vibration certification for the military industry. This ensures that the joint can withstand the most demanding operating conditions and provide stable performance even in critical applications.

😩 Are you bothered by the limitations of traditional robotic joints?

Do you feel like your robotics projects are limited by the size, weight, or lack of precision of current articulated modules? Struggling with integrating complex components that take up valuable space and increase power consumption? Looking for a solution that will take your robots’ performance and efficiency to a whole new level?

🚀 Push the boundaries of robotics!

This intelligent robotic joint is a complete solution for advanced robotic systems. With its integrated design, industry-leading torque density, and unmatched precision, you can design and build robots that are lighter, more agile, more energy-efficient, and capable of performing more complex tasks with maximum reliability. Free yourself from compromises and achieve unprecedented results with your projects.

🌟 More than just features, real benefits

• Compact design and low weight: Easier integration into limited space and a significant reduction in the overall weight of the robot, leading to lower energy consumption and higher dynamics.
• High torque density: Provides enough power for fast and precise movements without sacrificing size or weight.
• Advanced encoders and FOC control: Guarantees extreme accuracy, position repeatability and smooth motion, crucial for applications requiring delicate handling.
• Broad communication protocol compatibility: Enables seamless integration into existing and future robotic ecosystems with minimal modifications.
• Industrial-grade durability: Ensures long-term reliability and performance stability even in the most demanding operating environments.

🎯 Who is it the ideal choice for?

• Humanoid robot developers: Who need lightweight, precise, and powerful joint modules for realistic and smooth movements.
• Manufacturers of industrial collaborative arms: Looking for a compact and reliable solution to increase the agility and reach of their robots.
• Medical robotics and exoskeletons specialists: For applications requiring extreme precision, fine control and minimal strain on the user.
• Innovators in agricultural automation and smart manufacturing: Who want to implement robots capable of precision harvesting and handling.

🤔 Do you have concerns? We'll answer them

• Concern: Will integration into my existing system be difficult? -> Answer: Thanks to the support of a wide range of standard communication protocols (EtherCAT, CANopen, CANbus) and the compact integrated design, integration is significantly simplified.
• Concern: What is the durability and reliability of the component in a harsh environment? -> Answer: The joint meets industry standards, including anti-static certification for the automotive industry and anti-vibration for the military, ensuring exceptional durability and long service life.
• Concern: Is the accuracy really sufficient for my precision applications? -> Answer: With a 17-bit absolute encoder and dual 24+24 bit encoders, complemented by real-time PID control, the joint is designed to achieve the highest possible accuracy and repeatability.

⚙️ Technical specifications

Weight (without brake)	300g
Weight (with brake)	380g
Encoder	17-bit multi-turn absolute (with position memory), built-in dual 24+24 bit absolute encoders
Max. torque density	>220 Nm/kg
Communication protocols	Optional EtherCAT, CANopen, CANbus
Management	Real-time adjustable PID loop for position, speed, current
Engine design	Frameless torsion motor, block-type stator winding, rotor design with optimized air gap
Reducer	Precision harmonic drive
Durability certification	Antistatic (automotive industry), Anti-vibration (military industry)
Connection ports	Battery, Communication, External capacitor, Power supply

❓ Frequently Asked Questions

What is this joint primarily intended for?

It is designed for advanced robotic applications requiring high precision, low weight, and compact dimensions, such as humanoid robots, industrial collaborative arms, surgical robots, and robotic exoskeletons.

What are the main advantages of compact design and low weight?

Compactness and low weight (300g without brake) enable the production of more agile and energy-efficient robots that can work in confined spaces and reduce the overall load on the structure.

What level of accuracy can I expect?

The joint is equipped with a 17-bit multi-directional absolute encoder and built-in dual 24+24 bit absolute encoders, ensuring exceptional accuracy and position memory even after power off.

What communication protocols does the joint support?

It supports optional protocols such as EtherCAT, CANopen and CANbus, ensuring flexible integration into various control systems.

Is the joint resistant to harsh operating conditions?

Yes, the manufacturer declares industrial quality with anti-static certification for the automotive industry and anti-vibration certification for the military industry, which guarantees high durability and reliability.

Is it possible to set up control loops in real time?

Yes, position, speed and current have an adjustable real-time PID loop, allowing fine-tuning of performance for specific applications.

What types of motors and gears are integrated?

The joint integrates a frameless torsion motor with an optimized design and a precision harmonic reducer for maximum efficiency and performance.