Synchronized Spindle Transfer

Synchronization is required for spindle transfer of odd-shaped parts including hex and square stock and for round parts using live tooling on the main and sub-spindles. Without synchronized collets extra programming and cycle time are required to line up the workpiece to properly transfer the part from one spindle to the other. In most cases (draw-in style collets) a keyway is used to align the collets when inserting it into the spindle. Synchronized collets orient the part to a specified point on the workpiece. Hex and square collets are synchronized to the center of the flat or the corner. Hardinge will provide a high tolerance of within 15′ or ¼°. Still greater tolerance can be achieved when required. Collets for specific machines such as Acme Gridley, Hydromat and other multi-spindle lathes that already have a keyway can be synchronized to the customer’s specifications.

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