MG 8108-8 Integrated Robot Joint Motor – BLDC Servo with 8:1 Planetary Gearbox
group nameKnee Joint Motor
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Min Order1 piece
brand nameSolismotor Custom Robot Joint Drives
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update timeFri, 28 Aug 2026 10:09:07 GMT
Paramtents
Model MG8108-8
Rated Torque 6.71N·m
Peak Torque 23.09N·m
Gear Ratio 8:1 Planetary
Encoder 14-Bit, Dual Support
Communication CAN Bus / RS485
Protection IP54
Weight ~396g
Dimension Ø92*55mm
Packging & Delivery
Min Order1 piece
Briefing
Detailed
The product integrates a high-performance brushless motor, an 8:1 precision planetary gear reduction mechanism, a high-precision dual encoder feedback system, and an intelligent drive control platform. With a compact and lightweight structure, it delivers high torque density, high dynamic response, and excellent motion control performance. It supports position control, velocity control, torque control, and MIT hybrid control modes, meeting the motion control requirements of robotics for high speed, high precision, and high reliability. The MG8108-8 integrates a BLDC servo motor, 8:1 planetary gearbox, drive electronics, and dual encoders in a singleØ92*55mm housing. This eliminates the need for separate component sourcing, wiring, and tuning. By combining motor, gearbox, driver, and encoder into one module, engineers can cut development time by up to 60% and simplify overall system architecture significantly. With plug-and-play integration, R&D teams can focus on application-level development rather than motor control, accelerating robot prototyping and production ramp-up. Rated output torque of 6.71N·m with peak stall torque reaching 23.09N·m. The 8：1 planetary gearbox delivers exceptional torque density in a compact form factor. High torque-to-weight ratio enables faster acceleration, smoother motion, and greater load capacity — critical for responsive robot joint movement. Suitable for humanoid robots, collaborative robots, and exoskeletons where high torque and compact size are essential for natural, powerful motion. Built-in 14-bit high-resolution encoder with support for secondary encoder feedback on the output shaft. IP54-rated sealed housing protects against dust and water splashes. Dual-loop feedback ensures accurate position, speed, and torque control. IP54 enables deployment in harsh industrial environments without performance degradation. Reliable feedback and environmental protection reduce maintenance needs and ensure consistent performance over extended operating periods. Joint actuation for bipedal and full-body humanoid platforms Safe, precise motion for cobot arms and grippers Power assist and rehabilitation exoskeleton systems Robotics labs, university projects, and prototyping Surgical robots and rehabilitation equipment Automated guided vehicles and smart manufacturingMG8108-8 Integrated Robot Joint Motor
Engineered for Precision Motion
Feature – Integrated All-in-One Design
Advantage – Reduced System Complexity
Benefit – Faster Time to Market
Feature – High Torque Density
Advantage – Superior Dynamic Performance
Benefit – Handles Demanding Applications
Feature – Dual Encoder Feedback & IP54 Protection
Advantage – Precision & Reliability
Benefit – Long-Term Operational Stability
Technical Specifications
Key Applications
Humanoid Robots
Collaborative Robots
Exoskeletons
Education & Research
Medical Assistants
Smart Automation
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6YRS Hong Kong SolisMotor Co., Ltd.