CubeMars AKE90-8 KV35 Quasi Direct Drive Actuator The CubeMars AKE90-8 KV35 is an AKE Series quasi-direct-drive actuator with integrated motor and gearbox design. It is built for high-performance exoskeletons, humanoid robots, collaborative robots, and heavy-duty joints where high torque density and low backlash matter. Key Specifications Application Exoskeleton Motor dimensions Φ107.5 × 43.5 mm Motor weight 1400 g Rated voltage 48 V Rated torque 55 Nm Peak torque 170 Nm Rated speed 120 rpm No-load speed 210 rpm Rated current 21 ADC Peak current 72 ADC Reduction ratio 8:1 KV 35 rpm/V KT 0.272 Nm/A KE 0.0285 V/krpm Backlash 9 arcmin Maximum torque density 121.4 Nm/kg Pole pairs 21 Product Highlights Quasi-direct-drive structure with integrated motor and gearbox. 170 Nm peak torque and 121.4 Nm/kg maximum torque density. Low 9 arcmin backlash for precise joint control. Five-stage precision gearing and optimized winding process for high load capacity and efficiency. Applications Exoskeleton joints requiring high torque density and precise low-backlash control. Humanoid and legged robot joints with heavy-duty output requirements. Collaborative robots and high-performance motion systems using quasi-direct-drive actuators. What Is Included AKE90-8 KV35 quasi-direct drive motor without driver board x1, Certificate of Conformance x1. FAQ What is the CubeMars AKE90-8 KV35 designed for? Exoskeleton joints requiring high torque density and precise low-backlash control. What are the key torque ratings? The official specifications list 55 Nm rated torque and 170 Nm peak torque. Which official files are available? CubeMars provides 5 official files for this product, including drawings, manuals, software, or driver files listed on the product page. Links Official Files XL Size Driver Board AK80-4830-1C-A4 Driver Installation Instructions (PDF) - updated 2026-06-26. Driver AK80-4830-1C-A4 (STEP, ZIP) - updated 2026-04-02. AKE90-8 Quasi Direct Drive 3D Drawing (STEP, ZIP) - updated 2026-02-07. AKE90-8 Test Housing Design 3D Drawings (STEP, ZIP) - updated 2026-02-06. AKE90-8 Quasi Direct Drive 2D Drawing (PDF) - updated 2026-02-05.
