Zero-Max CD® couplings with aluminum hubs have low weight and low inertia making them an excellent choice for servo motor and other precision motion control applications. CD couplings provide the ideal combination of high torsional stiffness and high dynamic load capacity to ensure reliable machine operation.
“Today's designers are using more servo motors to improve machine speed and accuracy,” reports Robert Mainz, Zero-Max Sales Manager. “As speeds increase, so does stress on mechanical components. The first mechanical component to see increased stress is the shaft coupling. Aluminum Composite Disc CD couplings handle the stress in these high speed, servo driven systems. They've proven it in countless applications.”
Zero-Max CD couplings are designed so that the working part is made of a composite material. It withstands the punishment and stress of a servo motor - “everything a servo motor can dish out,” reports users.
In comparison, bellows style couplings have high torsional stiffness specifications but are too brittle to withstand the punishment of high speed reversing applications. Beam style couplings also have limitations because they have relatively low torsional stiffness that will limit speed and machine accuracy.
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