FHA-17C-160-E250-L Technical Manual

FHA-17C-160-E250-L: High-Precision AC Servo Actuator for Industrial Automation

1. Product Overview

The FHA-17C-160-E250-L is a compact, high-torque AC servo actuator from Harmonic Drive's FHA-C series, engineered to deliver exceptional precision and reliability in demanding industrial applications. Integrating a harmonic drive gearhead, servo motor, and encoder into a single, slim package, this actuator is ideal for space-constrained environments where high positioning accuracy and torque density are critical.

Key features include an ultra-thin design, hollow shaft construction, high torsional rigidity, and a 160:1 reduction ratio, making it suitable for robotics, semiconductor manufacturing, machine tool automation, and precision positioning systems.

 

2. Technical Specifications

2.1 Core Performance Parameters

Torque Range: 39 Nm continuous output, with peak torque capabilities exceeding 117 Nm

Speed Range: 22 rpm maximum output speed (at 160:1 reduction ratio)

Reduction Ratio: 160:1, providing high torque multiplication while maintaining precision

Encoder: Incremental encoder with 2500 pulses per revolution (E250 specification), enabling precise position feedback

Positioning Accuracy: ±1 arcmin repeatability, with zero backlash operation for error-free motion control

2.2 Mechanical Design

Hollow Shaft: Central through-hole design simplifies cable routing and integration with other components

Compact Dimensions: Slim profile with a 170 mm flange diameter, minimizing installation space

Mounting Flexibility: Omnidirectional mounting capability, supporting vertical, horizontal, and inverted configurations

Protection Rating: IP-20 standard, with optional IP-40 and IP-67 upgrades available for harsh environments

2.3 Electrical Specifications

Power Supply: 200V AC compatible, supporting both HA-655 and HA-675 series drives

Control Interface: Standard industrial communication protocols for seamless integration with PLC and motion control systems

Cable Configuration: Back-exit cable routing (L specification), optimizing space utilization in tight installations

 

3. Application Scenarios

3.1 Robotics and Automation

The FHA-17C-160-E250-L excels in robotic joint actuation, providing the high torque and precision required for articulated arms, collaborative robots, and automated guided vehicles (AGVs). Its compact size allows for lightweight robot designs without sacrificing performance.

3.2 Semiconductor and Electronics Manufacturing

In semiconductor wafer handling equipment and PCB assembly systems, this actuator delivers micron-level positioning accuracy, critical for processing delicate electronic components. The hollow shaft design simplifies integration with vacuum systems and alignment mechanisms.

3.3 Machine Tool Automation

For automatic tool changers (ATC) and rotary tables in CNC machines, the actuator's high torsional rigidity ensures stable, repeatable motion, reducing tool change times and improving machining precision.

3.4 Medical and Laboratory Equipment

In diagnostic imaging systems, surgical robots, and sample handling devices, the FHA-17C-160-E250-L provides quiet, vibration-free operation and sterile-compatible design options, meeting the strict requirements of medical environments.

 

4. Installation and Maintenance Guidelines

4.1 Installation Procedures

1.Mounting Surface Preparation: Ensure the mounting flange surface is flat and free of debris to maintain alignment accuracy

2.Torque Specifications: Use recommended bolt torques for flange mounting to prevent misalignment and ensure structural integrity

3.Cable Routing: Follow back-exit cable guidelines to avoid strain on connectors and maintain signal integrity

4.Drive Configuration: Configure HA-655/HA-675 drives with matching encoder settings (2500 ppr) and current limits for optimal performance

4.2 Maintenance Recommendations

Lubrication: Factory-sealed lubrication provides lifetime maintenance-free operation under normal conditions

Inspection Schedule: Conduct quarterly visual inspections for cable damage, mounting bolt tightness, and abnormal noise

Environmental Protection: In harsh environments, use optional IP-67 protection and corrosion-resistant coatings

Troubleshooting: Refer to the drive error codes and actuator diagnostic indicators for quick issue resolution

 

5. Advantages Over Traditional Actuators

Integrated Design: Combines motor, gearhead, and encoder into a single unit, reducing assembly time and potential points of failure

Zero Backlash: Harmonic drive technology eliminates mechanical play, ensuring precise motion control even with frequent direction changes

High Torque Density: Delivers 3x more torque than conventional servo actuators of similar size

Energy Efficiency: Optimized motor and gear design reduces power consumption by up to 20% compared to equivalent systems

Long Service Life: Robust construction and wear-resistant materials provide a 10,000-hour minimum service life under rated conditions

 

6. Customization Options

The FHA-17C-160-E250-L can be customized to meet specific application requirements:

Encoder Upgrades: Absolute encoders (S248 specification with 8192 ppr resolution) for enhanced position tracking

Cable Lengths: Extended 5m cables for remote installations

Brake Systems: Optional holding brakes for vertical load applications

Environmental Sealing: IP-67 protection for operation in dusty or wet environments

Special Coatings: Corrosion-resistant finishes for marine or chemical processing applications

 

7. Conclusion

The FHA-17C-160-E250-L represents the pinnacle of compact servo actuator technology, offering unmatched precision, torque density, and reliability for modern industrial automation. Its versatile design and customization options make it a superior choice for applications where space, accuracy, and performance are critical. By integrating this advanced actuator into your system, you can achieve higher productivity, improved product quality, and reduced maintenance costs.