Hardinge DIRECT-DRIVE Super-Precision® Rotary Systems offer high-speed positioning and rapid bidirectional response. Features and Advantages of Direct-Drive rotary systems: • Direct-drive, rare-earth permanent magnet torque motor - No mechanical gearing, fewer parts to wear - Zero backlash, high servo stiffness - Rapid bidirectional response - Wraparound motor for smaller footprint - Super-Precision® positioning accuracy and repeatability • Rugged cross roller bearing for high-moment loads with super rigidity • Integrated axis capability for operation at maximum machine capability – full use of high-speed machining and machine's "Look-ahead" programming A2-4 5C high-speed model features 3600-degrees per second indexing speed. A2-5 16C high-torque model also available. Collet-ready spindles accept collets, expanding collets, step chucks, power chucks and slotted face plates.