CubeMars RI50 KV100 Frameless Inrunner Torque Motor The CubeMars RI50 KV100 is a compact frameless inrunner torque motor for space-constrained robotic joints, exoskeletons, collaborative arms, AGV hub drives, and modular actuators. It is supplied as a stator and rotor set for flexible mechanical integration, with Hall and W/O Hall variants available on the product page. 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. Key Specifications Model RI50 KV100 Rated voltage 24/36/48 V Rated power 66 W Rated torque 0.58 Nm Rated current 4.8 A Rated speed 1090/1860/2600 rpm Peak torque 1.67 Nm Peak current 14.8 A No-load speed 2004/3006/4008 rpm Phase-to-phase resistance 1420 mΩ Phase-to-phase inductance 1500 μH Pole pairs 7 Weight 180.8 g Size Φ54 × 27 mm Product Highlights Frameless stator-rotor architecture reduces housing volume and supports custom mechanical integration. Low cogging torque helps deliver smoother motion and better control at low speed. Multiple voltage options support 24 V, 36 V, and 48 V robotic power systems where listed by CubeMars. Official CubeMars Hall / W/O Hall drawings and fixture files are linked below. Available Variants With Hall Sensor: CubeMars-RI50H Without Hall Sensor: CubeMars-RI50 Applications Robotic joints, exoskeletons, collaborative robot arms, and compact actuator modules. AGV hub drives, precision rotary platforms, and embedded automation systems. Custom drivetrain projects that need a frameless stator-rotor motor with Hall and W/O Hall integration options. What Is Included RI50 KV100 motor x1. FAQ What is the CubeMars RI50 KV100 used for? Robotic joints, exoskeletons, collaborative robot arms, and compact actuator modules. Which official files are available? The links below include only the official files currently available on the CubeMars product page. Links Official Files RI50 Frameless Torque Motor Test Fixture (ZIP) RI50 Frameless Torque Motor with Hall Sensor 3D Drawing (STEP, ZIP) RI50 Frameless Torque Motor Without Hall Sensor 3D Drawing (STEP, ZIP) RI50 Frameless Torque Motor with Hall Sensor 2D Drawing (PDF) RI50 Frameless Torque Motor Without Hall Sensor 2D Drawing (PDF)
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