DGII Series - Hollow Shaft Rotary Actuators

Hollow rotary actuator with high rigidity, precision, and absolute positioning

DGII Series – Hollow Rotary Actuators

The DGII series combines a high-precision hollow rotary actuator with a closed-loop αSTEP AZ series hybrid stepper motor. It is ideal for applications requiring high torque, precise positioning, and a compact design.

Technical Features
• Frame sizes: 60 mm to 200 mm

• Hollow shaft diameter: 20 mm to 100 mm

• Maximum torque: up to 50 Nm (e.g., DG200R)

• Maximum speed: up to 200 rpm (e.g., DG130R)

• Axial load capacity: up to 4,000 N

• Bending moment: up to 100 Nm

• Repeatability: ±15 arc seconds (±0.004°)

• Control signals: pulse-direction signals, digital I/Os, or common fieldbus protocols such as Modbus RTU, EtherCAT, EtherNet/IP, PROFINET

• Optional features: electromagnetic brake

Key Features
• Integrated AZ series motor: with built-in, battery-free absolute sensor for precise position feedback

• Hollow shaft: enables routing of cables, air, or fluid lines

• Flexible mounting: suitable for horizontal, vertical, and overhead installation

• High load capacity: designed for applications with large masses or inertias

• Easy integration: compatible with various control systems and fieldbus protocols

Typical Applications
•Positioning of tools or fixtures
• Rotary indexing tables in production lines
• Automated assembly and inspection stations
• Robotics and automation technology