High - Torque - Density Frameless Joint Motors
Light-weight, compact, and long life-span.
Our high - torque - density frameless 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 frameless 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 Frameless Joint Motors
Exceptional Torque Density
Comprehensive Multi-Physics Analysis Capability
Covering electrical (induced voltage, torque), thermal (heat generation, temperature distribution), mechanical (stress, vibration) and magnetic (magnetization, demagnetization) performance, realizing all-round simulation of motor operation.
Precise Key Parameter Optimization
Expert in minimizing cogging torque, calculating iron/coil/magnet losses, and extracting equivalent circuit models, ensuring accurate matching of simulation data with actual motor performance.
Professional Specialized Scenario Analysis
Proficient in evaluating skew effects, eccentricity impacts and radiated sound characteristics, addressing complex technical pain points in motor design.
Efficient Parameter Sensitivity Testing
Quickly identify critical factors affecting motor performance through systematic sensitivity analysis, shortening the optimization cycle of motor development.
Customized Simulation Solutions
Tailor simulation plans according to different motor types (e.g., QDD actuators, joint motors) and customer demands, providing targeted technical support for product iteration.
Our product portfolio.
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.
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.

YCM-50 Humanoid Robotic Jonit Motor
Ultra - Precision, Compact & Agile Motion Performance
Specialized for humanoid robots—lightweight, durable, with high torque density.
Frameless design for enhanced design versatility
Superior torque density with competitive pricing
Hollow shaft compatibility
Lightweight and space-saving structure
Low-voltage adapts (12V - 48V)
High torque density and dynamic response enabled by high copper fill ratio
Reduced thermal losses via concentrated coil design
Thermally efficient actuator design through structural integration
Drive system optimized for weight and installation space, informed by load profile analysis
Exceptional dynamic control and precision
Adaptable to diverse application scenarios
Core Advantages of Frameless Torque Motors
JEO frameless torque motors deliver distinct technological advantages compared to traditional motor designs. They excel in high - precision, mission - critical applications where performance margins are minimal
Comprehensive Multi-Physics Analysis Capability
Covering electrical (induced voltage, torque), thermal (heat generation, temperature distribution), mechanical (stress, vibration) and magnetic (magnetization, demagnetization) performance, realizing all-round simulation of motor operation.
Precise Key Parameter Optimization
Expert in minimizing cogging torque, calculating iron/coil/magnet losses, and extracting equivalent circuit models, ensuring accurate matching of simulation data with actual motor performance.
Professional Specialized Scenario Analysis
Proficient in evaluating skew effects, eccentricity impacts and radiated sound characteristics, addressing complex technical pain points in motor design.
Efficient Parameter Sensitivity Testing
Quickly identify critical factors affecting motor performance through systematic sensitivity analysis, shortening the optimization cycle of motor development.
Customized Simulation Solutions
Tailor simulation plans according to different motor types (e.g., QDD actuators, joint motors) and customer demands, providing targeted technical support for product iteration.
Core Advantages of Frameless Torque Motors
Frameless torque motors boast compact size, high power density, and enable direct drive with high torque. They offer precise control, efficient heat dissipation, flexible customization, low noise, and high rigidity, ideal for various demanding scenarios.
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.
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.

YCM-70 Frameless Torque Motor
1. Stronger load capacity
2. Higher Energy Efficiency
3. Faster Moving Speed
4. Smoother Motion Control
High Density Frameless Torque Motor Technology: The Optimal Choice for Precision - Critical & Reliability - Driven Applications
Our frameless motors, specialized for humanoid robots—lightweight, durable, with high torque density.
Frameless design for enhanced design versatility
Superior torque density with competitive pricing
Hollow shaft compatibility
Lightweight and space-saving structure
Low-voltage adapts (12V - 48V)
High torque density and dynamic response enabled by high copper fill ratio
Reduced thermal losses via concentrated coil design
Thermally efficient actuator design through structural integration
Drive system optimized for weight and installation space, informed by load profile analysis
Exceptional dynamic control and precision
Adaptable to diverse application scenarios
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