1X Unveils New Dexterous Tendon-driven Hand for its Neo Humanoid Robots
1X introduces a new tendon-driven robotic hand for its Neo humanoid platform, featuring 25 degrees of freedom with 22 fully actuated joints in the fingers and palm. The design utilizes a quasi-direct-drive tendon system with motors located in the forearm, enabling lightweight construction while maintaining high force output for tool use and manipulation. Integrated tactile sensing measures normal force, contact location, and shear stress, allowing for real-time slip detection and adaptive grip c
Analysis
TL;DR
- 1X introduces a new tendon-driven robotic hand for its Neo humanoid platform, featuring 25 degrees of freedom with 22 fully actuated joints in the fingers and palm.
- The design utilizes a quasi-direct-drive tendon system with motors located in the forearm, enabling lightweight construction while maintaining high force output for tool use and manipulation.
- Integrated tactile sensing measures normal force, contact location, and shear stress, allowing for real-time slip detection and adaptive grip control.
- The hand is force-controlled and backdrivable, yielding to external pushes to provide haptic feedback, and features IP68 waterproofing and food-safe materials for durability.
- 1X claims scalable in-house production capacity of 10,000 units this year, aiming to make humanoids truly useful for everyday tasks like assembling objects and using tools.
Why It Matters
This development marks a significant step toward practical humanoid robotics by addressing the critical bottleneck of dexterous manipulation. By integrating advanced tactile sensing and force control directly into the hardware, 1X enables robots to interact safely and effectively with unstructured environments, moving beyond simple pre-programmed motions to adaptive, human-like handling of objects.
Technical Details
- Mechanical Architecture: The hand features 25 degrees of freedom (22 in fingers/palm, 3 at the wrist). It employs a tendon-drive system where motors are housed in the forearm, reducing hand weight and inertia while routing tendons through the wrist.
- Actuation and Control: Utilizes quasi-direct-drive tendons with low gear ratios (5:1 to 15:1). The fingers are force-controlled and backdrivable, allowing them to yield under pressure and report applied force, effectively turning the hand into a sensing system.
- Sensing Capabilities: Embedded tactile sensors across fingertips and surfaces measure normal force, contact location, and shear. This data enables real-time slip detection and grip adjustment.
- Performance Specifications: Peak torque reaches 3.5 Nm at the thumb CMC joint and 17.75 Nm at the wrist. Positioning accuracy is maintained at +/- 0.2 mm, with distal flexion forces up to 45 Newtons.
- Durability and Manufacturing: Features IP68 waterproofing and food-safe materials. All components, including tendons, motors, and skin, are manufactured in-house, with a stated production capacity of 10,000 hands annually.
Industry Insight
- Shift to Integrated Sensory-Motor Systems: The emphasis on backdrivability and tactile feedback suggests a broader industry shift from purely visual-based manipulation to multimodal sensory integration, essential for safe human-robot collaboration.
- Vertical Integration as a Competitive Moat: 1X’s decision to manufacture all components in-house highlights the importance of supply chain control in scaling humanoid robotics, potentially lowering costs and improving reliability compared to competitors relying on third-party parts.
- Standardization of Dexterity Metrics: As companies like 1X publish specific torque and degree-of-freedom specs, the industry may begin to adopt standardized metrics for "dexterity," allowing for more objective comparisons between robotic platforms.
Disclaimer: The above content is generated by AI and is for reference only.