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Planetary roller screw (calf, upper arm)
Applied to the upper arms and lower legs of humanoid robots, this planetary ball screw provides a robust, precise, durable, and highly efficient solution for robotic limbs—acting like strong “tendons” within the robot’s body. Available in diameters ranging from 15 to 25 mm, it can be made from materials such as bearing steel or medium-carbon alloy steel, and is manufactured using processes including turning, grinding, cold rolling, and cyclone milling. After undergoing heat treatments such as carburizing quenching and induction hardening, it achieves both excellent wear resistance and high load-bearing capacity. Through multi-step composite machining, it delivers an axial clearance of ≤0.02 mm, a transmission efficiency of ≥85%, and a precision rating of ≥P5.
Category:
Planetary roller screw products
Production company:
Wanxiang Qianchao Co., Ltd. Universal Joint Factory
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Product Description
Product Introduction
Applied to the upper arms and lower legs of humanoid robots, this planetary ball screw provides a robust, precise, durable, and highly efficient solution for robotic limbs—acting like strong “tendons” within the robot’s body. Available in diameters ranging from 15 to 25 mm, it can be made from materials such as bearing steel or medium-carbon alloy steel, and is manufactured using processes including turning, grinding, cold rolling, and cyclone milling. After undergoing heat treatments such as carburizing quenching and induction hardening, it achieves both excellent wear resistance and high load-bearing capacity. Through multi-step composite machining, it delivers an axial clearance of ≤0.02 mm, a transmission efficiency of ≥85%, and a precision rating of ≥P5.
Technical Parameters
Maximum thrust: 3900 N;
Transmission efficiency ≥ 80%;
Accuracy ≥ P5.
Product Advantages
Compact structure, high transmission efficiency, high thrust density, rapid response, and high repeat positioning accuracy.
Product Use
Applied to the linear joints of the humanoid robot’s upper arm and lower leg.
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Address: No. 1 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province
Phone:0571-82832999
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