Airtech manufactures retractable jaw chucks. These chucks are specially manufactured for machining cylindrical jobsthat are required to be machined over the whole length in one operation. Centre-drilled and faced components are held in between centres. A built-in face driver placed in the chuck drives the work. The jaws grip the component to provide additional driving force during heavy machining. When the tool approaches near to the end of the component, jaws open and retract for the tool to complete the machining of the gripped portion. The driving force during the jaw-retracted position is transmitted through face driver and hence, is less. Gripping and retraction is performed with the help of hydraulic cylinder placed on the rear side of machine spindle.
