High - Torque - Density Joint Motors
Light-weight, compact, and long life-span.
Our high - torque - density joint motors are purpose - built for applications demanding precision motion control, high torque output in a compact form factor, and rapid dynamic response. Ideal for powering the next generation of collaborative robots, advanced automation equipment, and precision actuation systems.

Broad Application Adaptability
High - torque - density joint motors redefine flexibility in motion systems. Their optimized torque - to - size ratio and precise control make them a cornerstone for:
Collaborative robotics (enabling safe, dexterous human - machine interaction)
High - precision automated assembly lines (micro - positioning, repeatable motion sequences)
Agile industrial manipulators (rapid start - stop, complex trajectory execution)
Technical Distinction: Advantages of Our Joint Motors
Exceptional Torque Density
Rapid Dynamic Response
Rapid Dynamic Response Engineered with advanced winding and magnetic circuit designs, our motors deliver near - instant torque ramping. This ensures smooth, jitter - free motion — critical for tasks like surgical robotics, precision inspection, and adaptive grasping.
Exceptional Torque Density
Exceptional Torque Density Packing extreme torque output into a minimized footprint, these motors eliminate the need for bulky transmission components. Perfect for space - constrained robotic joints, where every millimeter of design matters.
Seamless Servo Integration
Seamless Servo Integration Compatible with leading servo control architectures, they support real - time feedback and fine - tuned motion profiling. From force - sensitive collaborative tasks to high - speed pick - and - place operations, integration is straightforward and performance is predictable.
Durability in Demanding Environments
Durability in Demanding Environments Ruggedized construction resists vibration, shock, and temperature variations. Whether deployed in factory floors with heavy machinery or laboratory automation with strict cleanliness requirements, reliability is built in.
Core Technical Attributes
Core Technical Attributes Torque Density: [X] N·m/cm³ (exceeding industry averages for comparable form factors) Positioning Precision: ±[X] arcmin repeatability (enabling sub - millimeter task accuracy) Thermal Management: Optimized heat dissipation design, sustaining continuous high - load operation without performance decay Interface Compatibility: Standardized mechanical/electrical interfaces (e.g., EtherCAT, CANopen for control; flange - mount for mechanical integration)
Our product portfolio.
YCM-25 Next-Gen Frameless Hollow-Shaft Stator-Rotor Assemblies
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.

Humanoid Robotic Jonit Motor
Highly precise, compact, and agile
Focus on miniaturized integration. Adopting ultra - precision winding process, the stator - rotor gap is controlled within [X]μm, minimizing energy loss during low - speed micro - motion. The optimized lightweight structural design (weight reduction of [X]% compared with the same class) ensures flexible deployment in limited - space scenarios such as collaborative robotic arms, while maintaining a torque density of [X]Nm/kg, balancing portability and power output.
Advantages of JEO Motor
JEO strain wave gearheads offer several advantages over conventional gearheads, and are unmatched in highly precise and demanding applications:
Rapid Dynamic Response
Rapid Dynamic Response Engineered with advanced winding and magnetic circuit designs, our motors deliver near - instant torque ramping. This ensures smooth, jitter - free motion — critical for tasks like surgical robotics, precision inspection, and adaptive grasping.
Exceptional Torque Density
Exceptional Torque Density Packing extreme torque output into a minimized footprint, these motors eliminate the need for bulky transmission components. Perfect for space - constrained robotic joints, where every millimeter of design matters.
Seamless Servo Integration
Seamless Servo Integration Compatible with leading servo control architectures, they support real - time feedback and fine - tuned motion profiling. From force - sensitive collaborative tasks to high - speed pick - and - place operations, integration is straightforward and performance is predictable.
Durability in Demanding Environments
Durability in Demanding Environments Ruggedized construction resists vibration, shock, and temperature variations. Whether deployed in factory floors with heavy machinery or laboratory automation with strict cleanliness requirements, reliability is built in.
Core Technical Attributes
Core Technical Attributes Torque Density: [X] N·m/cm³ (exceeding industry averages for comparable form factors) Positioning Precision: ±[X] arcmin repeatability (enabling sub - millimeter task accuracy) Thermal Management: Optimized heat dissipation design, sustaining continuous high - load operation without performance decay Interface Compatibility: Standardized mechanical/electrical interfaces (e.g., EtherCAT, CANopen for control; flange - mount for mechanical integration)
In combination with other JEO system components
JEO strain wave gearheads can be seamlessly combined with maxon drives. maxon offers strain wave gearheads with output bearings as part of its proven modular system. Without an output bearing, the three core components – wave generator, flexspline, and circular spline – enable optimal integration into custom applications.
YCM-25 Next-Gen Frameless Hollow-Shaft Stator-Rotor Assemblies
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.
Industry-leading torque density and superior adaptability for seamless drive integration. Frameless: Flexible design for diverse setups. High torque density: Powerful, cost-effective. Hollow-shaft: Versatile installation/integration. Lightweight & compact: Space/weight-saving. Low-voltage: 12V–48V, safe/efficient. Optimized copper fill: High torque, dynamic performance. Concentrated coils: Low thermal loss, efficient/durable. Thermally optimized: Reliable under demand. Tailored systems: Weight/space-saving via load analysis. Precise control: Accurate, responsive. Broad compatibility: Adapts to diverse needs.

Discover our gearhead technology in 3D and AR.
We pack maximum power into the smallest of spaces.
Click on the image and drag the cursor with the mouse button pressed to explore our strain wave gearhead from every angle, or scan the QR code to access the AR view.
Strain wave gearhead technology is the perfect fit wherever precision and reliability are required.
Strain wave gearheads are an outstanding technology that is indispensable in many high-precision applications. Their functional principle, based on the elastic deformation of the flexspline, enables highly precise, zero-backlash, and efficient motion transmission.
The combination of high precision, compact design, and reliability makes strain wave gearheads the preferred choice for demanding technical applications. Especially for companies seeking precise motion control solutions, strain wave gearheads offer an unbeatable combination of performance, durability, and efficiency.
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