Humanoid Robot Joint Module, Quadruped Robot Joint Module, Frameless Torque Motor

1. Core Power Performance Rated/Peak Torque: The stable continuous output torque (rated) and short-term burst torque (peak) of the joint, which directly determine the robot's load capacity and motion explosiveness, and are the core selection indicators for humanoid/quadruped robot joints. Rated/Peak Speed: The continuous operating speed and maximum speed of the joint, matching the robot's motion speed requirements (such as the dynamic response of humanoid robot walking and arm swinging). Power Density: The output power per unit volume/weight. High power density is the key to realizing robot lightweight and high load, and is the core technical barrier of joint modules. 2. Precision and Transmission Performance Transmission Backlash: The idle angle of the output shaft when the input shaft is fixed, which directly affects the robot's positioning accuracy and repeat positioning accuracy. The backlash of high-end joint modules is usually ≤1 arcmin. Positioning/Repeat Positioning Accuracy: The accuracy of the joint reaching the target position, which is the core guarantee for the precise movement of humanoid robots and the stable gait of quadruped robots. Transmission Efficiency: The efficiency of motor power transmission to the output end. High transmission efficiency can reduce energy consumption and heat generation, and improve the robot's battery life and continuous operation capability. 3. Reliability and Environmental Adaptability Protection Rating (IP Rating): Dustproof and waterproof capability, adapting to complex working conditions such as industry and outdoors (e.g., IP65 can withstand dust and splashing water). Operating Temperature Range: The ability to adapt to high and low temperature environments, meeting the needs of extreme scenarios (such as aerospace, outdoor inspection robots). Service Life and MTBF (Mean Time Between Failures): The continuous working life and reliability of the joint, which directly determine the maintenance cost and service life of the entire robot. Shock and Vibration Resistance: The ability to withstand the impact of robot movement and external collisions, ensuring the structural stability of the joint. 4. Integration and Control Performance Integration Level: The degree of integrated integration of components such as motors, reducers, encoders, drives, and brakes. High integration can greatly simplify the robot's structural design. Encoder Resolution: Position feedback accuracy. High-resolution encoders are the basis for realizing precise closed-loop control of joints. Response Speed/Bandwidth: The joint's response speed to control commands, which determines the robot's dynamic performance (such as fast start-stop and flexible obstacle avoidance). Brake Performance: Power-off holding torque, ensuring the robot's position locking after power-off to prevent falling and instability.