ZERO-Max CD couplings with aluminum hubs have low weight and low inertia making them suitable for servo motor and other precision motion control applications. They are available in single and double disc pack models.
The couplings have high torsional stiffness and zero-backlash. They provide the same torque as steel hub versions along with a 15% to 20% increase in the couplings' rpm. Both single and double disc pack models combine the best features found in steel disc and elastomeric couplings through the use of an open arm disc design made of composite material. The design provides the high misalignment capacity found in many elastomeric couplings but with higher torsional stiffness.
Compared to steel disc couplings, CD couplings with aluminum hubs offer superior damping and isolation of shock and vibrating loads, including the elimination of fretting corrosion and reduction of stress fractures at the bolt hole locations. The CD coupling also provides excellent chemical and moisture resistance in hostile environments that prove difficult or impossible for elastomeric or steel disc couplings.
The aluminum hub CD Single Flex models are available in either clamp style or keyway with set screw style hubs from 46.99mm to 152.4mm diameters. They handle speeds from 5200 to 17,000 rpm. The aluminum hub CD Double Flex models are available in either clamp style or keyway with set screw style hubs from 46.99mm to 152.4mm diameters. They handle speeds from 4,400 to 17,000 rpm. CD couplings are also available with custom designed disc packs for virtually any type or style of application.