CubeMars AK45-36 KV80 24Nm BLDC Robotic Actuator Motor

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CubeMars AK45-36 KV80 BLDC Robotic Actuator The CubeMars AK45-36 KV80 is a compact robotic actuator that integrates a brushless DC motor, a 36:1 planetary gearbox, and a driver boa rd into an easy-to-install motion module. It is built for low-speed, high-load robotics applications that need high torque density, smooth FOC control, and reliable protection in compact spaces. Official CubeMars specifications list 24 Nm peak torque, 8 Nm rated torque, 340 g motor weight, 24 V rated voltage, 40 rpm rated speed, and 52 rpm no-load speed. Features High reduction ratio: The 36:1 planetary gearbox supports strong torque output for low-speed, high-load motion. Compact and lightweight: The actuator weighs approximately 340 g and fits space-sensitive robotic joints. High torque density: Maximum torque density is listed at 70.5 Nm/kg. Low backlash: Official backlash is controlled within 12 arcmin for precision positioning. Integrated control: Supports servo and MIT control modes with plug-and-play connectors, adaptive PID parameter identification, and integrated overcurrent, overvoltage/undervoltage, and overtemperature protection. CubeMars Motor Application Guide Motor Type Actuator Model Technical Description Shoulder Joint Motor AK60-39 V3.0 CubeMars shoulder joint motors are specifically designed for multi-axis rotation in humanoid robot shoulder joints, enabling complex arm movements such as lifting, rotation, extension, and abduction with ease. With high load capacity and high torque output, these motors allow the robot’s shoulder to reliably support the weight of the entire arm and any carried loads, especially in tasks involving lifting or transporting heavy objects. Their high precision and rapid response ensure accurate motion control and smooth, coordinated arm movements, making them ideal for delicate operations and human-robot collaboration. Elbow Joint Motor AK70-9 V3.0 CubeMars elbow joint motors are specifically designed for flexion, extension, and rotation of humanoid robot arms, enabling robots to easily perform arm bending, stretching, and carrying tasks. With high precision and high torque performance, these motors ensure smooth, coordinated, and accurate angle control, making them ideal for delicate operations and complex tasks. The highly integrated and lightweight design allows for easy installation and maintenance, even within the limited space of the elbow joint. Wrist Joint Motor AK45-10 CubeMars wrist joint motors are specifically designed for multi-axis movement in humanoid robot wrists. Featuring high torque density, high precision, and a lightweight design, these motors ensure precise control and smooth motion during demanding tasks such as rotation, flexion, and deviation. The compact structure is ideal for integration and maintenance in the extremely limited space of the wrist. Supporting servo, MIT, and other control modes, these motors meet the diverse needs of service, research, education, and medical applications. Neck Joint Motor AK40-10 The CubeMars Neck Joint Motor Series is a high-performance actuator solution designed for humanoid robots and advanced robotic platforms. Featuring a compact structure, high torque density, and precise motion control, these actuators are ideal for robotic neck joint applications that require smooth movement, fast response, and stable positioning. Suitable for humanoid robot heads, service robots, and interactive robotic systems, the series enables natural multi-axis motion while maintaining high reliability and efficiency. Hip Joint Motor AKH70-48 V1.0 CubeMars hip joint motors are specifically engineered for multi-axis coordination in the lower limbs and torso of humanoid robots. Featuring high torque density, exceptional precision, and lightweight construction, these motors enable smooth and accurate execution of complex leg movements such as forward/backward swing, lateral swing, and rotation. The compact design ensures easy integration and maintenance, while supporting multiple control modes including servo and MIT. Knee Joint Motor AK80-64 CubeMars knee joint motors are specifically designed for flexion and extension in the knee area of a humanoid robots. With high load capacity and precise control performance, they enable robots to smoothly and steadily perform demanding actions such as bending, jumping, squatting, stair climbing, and running. Featuring a highly integrated and lightweight design, these motors maintain stable and flexible performance even under frequent movement and heavy load conditions at the knee joint. Ankle Joint Motor AKH70-16 V1.0 The CubeMars Ankle Joint Motor Series is a high-performance actuator solution specifically designed for humanoid robots. Engineered for robotic ankle joint applications, these actuators feature high torque density, precise motion control, and excellent dynamic response to support stable walking, advanced balance control, and agile movement. With a compact and lightweight design, the series is ideal for humanoid robots and biped robots. Robot Joint Module AK10-9 V3.0 AK10-9 V2.0 KV100 AK10-9 V2.0 KV60 AK80-9 V3.0 AK80-8 AK80-6 AK80-64 AK70-10 AK70-9 V3.0 AK60-6 V3.0 AK60-6 V1.1 KV140 AK45-36 AK45-10 AK40-10 CubeMars Robot Joint Modules integrate high-performance brushless motors, proprietary precision planetary gearboxes, and high-resolution encoders, specifically designed for exoskeletons and a wide range of robotic applications. Featuring a high level of integration and lightweight construction, these modules deliver precise and responsive motion control with true plug-and-play convenience, significantly enhancing robotic flexibility and operational efficiency. Supporting both servo and MIT control modes, motor control becomes simpler and more accurate. Robot Dog Motor AK10-9 V3.0 AK10-9 V2.0 KV100 AK10-9 V2.0 KV60 AK80-9 V3.0 AK80-8 AK80-6 AK80-64 AK70-10 AK60-6 V3.0 AK60-6 V1.1 AK45-36 AK45-10 AK40-10 CubeMars robotic dog motors are specifically designed for use in research, inspection, security, and rescue applications. With a weight range of 340g to 960g, rated torque from 3Nm to 48Nm, gear ratios from 6:1 to 48:1, and rated voltage of 24/48V, these motors integrate high-performance brushless motors, proprietary planetary gearboxes, and high-precision encoders. Featuring high torque density, rapid response, and lightweight construction, they ensure precise joint movement for robotic dogs, enabling smooth turning, jumping, climbing, and reversing under heavy loads. CubeMars motors empower robotic dogs to easily handle complex terrains and diverse tasks. Rehabilitation Robot Motor AK10-9 V2.0 KV100 AK10-9 V2.0 KV60 RI80 V2.0 RI70 RI60 RI50 CubeMars rehabilitation robot motors are specifically designed for precise, smooth, and safe motion control in medical rehabilitation and assistive devices. Featuring high-precision output, low noise, and a lightweight, compact design, they are easy to integrate into various rehabilitation systems. With outstanding reliability and stability, these motors provide a comfortable experience for patients. They are simple to maintain and support personalized rehabilitation solutions. Technical Specifications Application Legged Robot, Exoskeleton, AGV Motor dimensions φ55 × 54 mm Motor weight 340 g Rated voltage 24 V Rated torque 8 Nm Peak torque 24 Nm Rated speed 40 rpm No-load speed 52 rpm Rated current 2 ADC Peak current 6.5 ADC Reduction ratio 36:1 KV 80 rpm/V KT 0.11 Nm/A KE 12.5 V/krpm Coil resistance 1.8 Ω Inductance 1.1 mH Rotor inertia 181.90 g·cm² Back drive 0.8 Nm Backlash 12 arcmin Maximum torque density 70.5 Nm/kg Driving way FOC Operation ambient temperature -20°C ~ 50°C Temperature sensor NTC MF51B 103F3950 CAN connector A1257WR-S-4P UART connector A1257WR-S-3P Power connector XT30PW-M Encoder Single magnetic encoder, 14-bit inner ring resolution Applications Legged robots: Compact actuator module for joints that need high torque in a small envelope. Humanoid wrist and ankle joints: Suitable for compact spaces where weight and torque density matter. Exoskeletons: Supports low-speed, high-load movement with integrated protection features. AGV and compact automation systems: Useful where responsive FOC control and reliable planetary reduction are required. FAQ What is the CubeMars AK45-36 KV80 designed for? It is designed for compact robotic actuator applications such as legged robots, exoskeletons, AGV systems, and humanoid wrist or ankle joints. What are the key torque ratings? The official specifications list 8 Nm rated torque and 24 Nm peak torque. What is the reduction ratio? The AK45-36 KV80 uses a 36:1 reduction ratio. What is included in the package? The official package contents list one AK45-36 KV80 actuator with driver board, one power cable, one serial CAN cable, and one Certificate of Conformance. Which official files are available? CubeMars provides the AK45-36 2D drawing, 3D drawing, firmware and parameters file, AK 2.0 driver manual, MINI driver board installation instructions, CH340 driver, and AK 2.0 upper computer software. Links Official Files AK-Series Driver Manual V1.0.18 for AK 2.0 Robotic Actuator (PDF) - updated 2026-05-20. MINI Size Driver Board AK40-2410-1A-A1 Driver Installation Instructions (PDF) - updated 2026-05-19. CH340 Driver Download for AK 2.0 Series Motor (ZIP) - updated 2026-04-22. AK Series V1.32 Upper Computer for AK 2.0 Motor (ZIP) - updated 2026-03-03. AK45-36 Robotic Actuator 3D Drawing (STEP, ZIP) - updated 2026-02-07. AK45-36 Firmware and Parameters (RAR) - updated 2026-02-07. AK45-36 Robotic Actuator 2D Drawing (PDF) - updated 2026-02-05. Show more