Ruland Zero-Max CD Coupling Model 6-22

The Ruland Zero-Max CD Coupling Model 6-22 is a high-performance flexible shaft coupling designed to transmit torque while accommodating misalignment between connected shafts. This coupling features a composite disc design that provides zero-backlash operation, ensuring precise and reliable performance in various industrial applications.

Key Features

• Continuous Rated Torque: 270 in-lbs (30 Nm)
• Peak Rated Torque: 540 in-lbs (60 Nm)
• Maximum Speed: 12,000 RPM
• Torsional Stiffness: 2,680 in-lbs/degree (17,352 Nm/rad)
• Misalignment Compensation:
  • Parallel Misalignment: 0.006 inches (0.15 mm)
  • Angular Misalignment: 3°
  • Axial Misalignment: 0.036 inches (0.9 mm)
• Material: Steel hubs with composite disc elements
• Weight: 0.88 lbs (0.40 kg) for A Hubs; 0.96 lbs (0.44 kg) for B Hubs
• Inertia: 0.49 lb-in² (1.43 kg-cm²) for A Hubs; 0.66 lb-in² (1.93 kg-cm²) for B Hubs

Design and Construction

The Model 6-22 coupling utilizes a single set screw type steel hub configuration, ensuring a secure connection to the shafts. Its composite disc design allows for flexibility, enabling the coupling to accommodate various misalignments without compromising performance. The coupling’s balanced design minimizes vibration, making it suitable for high-speed applications up to 12,000 RPM.

Applications

This coupling is ideal for applications requiring precise torque transmission and the ability to handle misalignment, such as:

• Servo drives
• Stepper motors
• Encoders
• Industrial automation systems
• Machine tools

Its zero-backlash operation ensures accurate positioning and smooth performance, making it a reliable choice for demanding industrial environments.

For detailed specifications and CAD models, please refer to the manufacturer’s resources.