Humanoid robots drive the demand for frameless torque motors, and manufacturers are actively deploying

Enthusiast Network reported (by Wu Zipeng) In recent times, humanoid robots have become a hot topic in the industry. Xu Xiaolan, former vice minister of the Ministry of Industry and Information Technology and president of the China Electronics Society, said earlier: "Under the joint efforts of enterprises, governments, and users, my country's humanoid robot industry is on the eve of a 'blowout'." Statistics show that by 2030, the global humanoid robot market will reach $100 billion, and the Chinese humanoid robot market will reach $30 billion.

The popularity of humanoid robots has benefited the control as a core component, especially the frameless torque motor, which is mainly used in the field of robotics and has made good progress both at home and abroad.

Frameless torque motor in robot

Frameless torque motor is a motor that does not require an outer frame and bearings. It usually consists of two parts: a stator and a rotor. Due to its compact design and flexible installation, it can be directly integrated into the structure of the equipment, minimizing space occupancy and improving the overall performance of the system.

Frameless torque motors have the characteristics and advantages of traditional torque motors. Compared with framed torque motors, torque motors have the characteristics of large torque, low speed, strong stability, strong overload capacity, and fast response. Compared with framed torque motors, frameless torque motors have the advantages of small size, more reliable performance, and strong environmental adaptability. In practical applications, by integrating frameless motors into machines, elastic machine elements such as couplings or belts can be removed, thereby improving machine performance. In

humanoid robot applications, frameless torque motors are one of the core components of rotary joints, and their core performance indicators lie in the torque they output. The multi-pole pair characteristics of frameless torque motors enable them to provide extremely high torque when running at medium and low speeds. This advantage makes it a widely used motor type in current humanoid robot actuators. In addition, frameless torque motors can be integrated into machines and the required environmental conditions, making humanoid robots more adaptable.

At present, from the perspective of the current status of industrial development, international frameless torque motor manufacturers such as Kollmgen and TQ Robodrive are currently leading in technology and have advanced magnetic circuit design and manufacturing processes. Compared with overseas leaders, domestic frameless torque motors have a smaller output torque and still have a gap in performance. However, in recent times, domestic frameless torque motors have also been reporting good news.

Advances in frameless torque motors

As a pioneer in frameless design and manufacturing, Kollmorgen is a global leader in frameless torque motors. TBM 2G is currently the company's new product series. The TBM2G series can provide high torque in extremely compact electromagnetic components while integrating advanced materials, windings and flexible performance. The main advantages of this series include stronger load capacity, higher energy efficiency, faster movement speed and smoother motion control. Kollmorgen's official website shows the application of the TBM2G series in medical robots. In this application, TBM2G is optimized to provide high torque at relatively low speeds in low-voltage applications. It is compact and efficient in design and can be directly embedded in the machine, using the machine's own bearings to support the rotor, which is very suitable for robot applications. As for other

international manufacturers, AVS Mechatrons GmbH in Austria mainly provides a variety of customized frameless brushless motors; Maxon Motor mainly designs EC-spec frameless torque motors; TQ Robodrive in Germany uses modular stators and epoxy plastic encapsulation technology to produce frameless torque motors; Aeroch in the United States is currently mainly promoting the S series frameless torque motors, which have a wide range of torque ranges and package sizes.

Next, let's take a look at the progress of domestic manufacturers. Buke shares previously stated that the company's frameless torque motor products are mainly used in collaborative robots, and have high requirements for the overall installation, fixing process and design. At present, the company's third-generation frameless torque motor products can be benchmarked against international leading products. The company is constantly strengthening its layout in the field of robotics and has developed a series of power products with full coverage of products and sizes to meet the needs of different customers.

Haozhi Electromechanical's harmonic reducers, frameless torque motors and other products can be applied to humanoid robots. Among them, the company's frameless torque motor torque fluctuation is ≤1%, which is more conducive to robot torque control; it can provide 3.5 times overload capacity, which greatly enhances the robot's load capacity.

On the news front, Jiangsu Leili stated on the investor platform in September that the company has reserved hollow cup reduction motors, linear transmission components, frameless torque motors and other products in the field of humanoid robots, and is sending samples and customer verification to many robot manufacturers. Zhenyu stated on the investor interaction platform that its wholly-owned subsidiary Suzhou Fanster and Huichuan Technology jointly developed frameless torque motors for use in humanoid robot actuators.

Conclusion

Previously, the establishment and mass production of RoboFab, the world's first humanoid robot factory, marked an important step for humanoid robots to move from the research and development stage to industrialization and large-scale production. In humanoid robots, frameless torque motors are important core components, which will gradually complete technological iterations with the explosion of humanoid robots and occupy an increasingly higher share in the robot motor market.