1. Product Overview
The KAH Series Rotary Actuator is a highly integrated, high-performance precision rotary module widely used in industrial automation, robotic joints, laser processing, medical equipment, and other high-end manufacturing sectors. By utilizing advanced harmonic drive technology, the actuator achieves true zero backlash, powerful output torque, and ultra-high positioning accuracy. All these are delivered in a compact and reliable design ideal for dynamic and continuous operation environments.
2. Key Features
- Ultra-High Precision: With absolute positioning accuracy within 10 arc seconds (0.0028°), KAH actuators meet the stringent precision requirements of industries such as semiconductor manufacturing, medical imaging, and precision metrology.
- High Torque in Compact Size: Delivering up to 800N·m torque in a compact structure, the KAH actuator provides powerful performance for robotic systems, grippers, and rotary workstations.
- Hollow Shaft Design: The large hollow shaft enables internal routing of cables, air hoses, or laser beams, simplifying integration in systems like automation harnessing, optical alignment, and sensor embedding.
- Extended Service Life: Built with aerospace-grade materials and long-life bearings, the KAH actuator is tested to maintain precision even after 20,000 hours of continuous operation.
- True Zero Backlash: Thanks to harmonic drive technology, the actuator delivers true zero backlash, ensuring stable control and repeatability.
- All-in-One Integration: The actuator integrates harmonic drive, torque motor, electromagnetic brake, encoder, and driver into a single unit.
- High Dynamic Performance: Ideal for laser cutting and 3C automation, it offers quick response and synchronization with high-speed control algorithms.
- Low Vibration and Noise: With dynamic balancing and precision machining, it maintains low vibration and noise even at high speeds.
- IP67 Protection: Resistant to water and dust, suitable for outdoor and harsh environments.
- Maintenance-Free: Sealed design and long-life lubrication eliminate the need for regular maintenance.
3. Application Industries
- CNC Machine Tools: Spindle positioning, tool rotation, and platform indexing.
- Laser Processing: Precise beam control for marking, cutting, welding.
- Semiconductor Equipment: Chip packaging, wafer handling, inspection systems.
- Factory Automation: AGV navigation, station switching, assembly lines.
- Medical Devices: CT scanners, surgical robots, rehab systems.
- Robotic Joints: Core rotational modules for cobots and industrial arms.
- Solar Energy Systems: Azimuth/elevation control in solar tracking.
- Logistics Automation: Sorting, stacking, material rotation modules.
- LED & Printing Equipment: Precise motion control in printing or LED positioning.
- Precision Metrology: High-precision rotary platforms for repeatable measurements.
4. Technical Specifications
| Model | Rated Torque (N·m) | Max Torque (N·m) | Hollow Shaft Diameter (mm) | Repeat Accuracy | IP Rating |
| KAH-20 | 20 | 40 | 12 | ±5 arc sec | IP67 |
| KAH-80 | 80 | 160 | 25 | ±5 arc sec | IP67 |
| KAH-200 | 200 | 400 | 40 | ±3 arc sec | IP67 |
| KAH-800 | 400 | 800 | 55 | ±2 arc sec | IP67 |
| Model | Rated Torque (N·m) | Max Torque (N·m) | Hollow Shaft Diameter (mm) | Repeat Accuracy | IP Rating |
| KAH-20 | 20 | 40 | 12 | ±5 arc sec | IP67 |
| KAH-80 | 80 | 160 | 25 | ±5 arc sec | IP67 |
| KAH-200 | 200 | 400 | 40 | ±3 arc sec | IP67 |
| KAH-800 | 400 | 800 | 55 | ±2 arc sec | IP67 |
KAH-14 Download brochure Download model
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