Zero-Max SC040 Servo Class Single Coupling Coupler

Description:

The Zero-Max SC040 ServoClass coupling is a precision flexible shaft coupling designed for servo-driven motion control systems. It provides zero-backlash torque transmission, ensuring highly accurate positioning and repeatability. The single-flex configuration allows for angular misalignment while maintaining high torsional stiffness and low inertia. These couplings are factory-assembled to tight tolerances to maintain concentricity and performance in demanding applications.

Applications:

The Zero-Max SC040 coupling is used in servo motors, CNC machinery, robotics, packaging equipment, and automated production systems. The Zero-Max coupling is commonly installed in motor-to-load connections where precise motion transfer and minimal vibration are critical.

Technical Specifications:

• Model: SC040
• Product Type: ServoClass Single Flex Coupling
• Brand: Zero-Max
• Torque Capacity: ~106 in-lbs (12 Nm)
• Max Speed: Up to 10,000 RPM
• Bore Range: 0.3125" to 0.9375" (8–24 mm)
• Misalignment Capacity:
 – Angular: ~1°
 – Parallel: ~0.009 in (0.24 mm)
 – Axial: ~0.024 in (0.60 mm)
• Torsional Stiffness: ~1,545 in-lbs/deg
• Outside Diameter: ~44 mm (1.73")
• Overall Length: ~48 mm (1.89")
• Construction: Aluminum hubs with stainless steel disc
• Function: Zero-backlash torque transmission with misalignment compensation

Common Replacements:

• Zero-Max SC040R (double flex version)
• R+W single flex servo couplings
• Lovejoy zero-backlash couplings