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POWER CHUCKS

ELECTRO MECHANICAL ACTUATORS

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	Power Operated Chucks without through bore can be used as a replacement for manual chucks on a conventional lathe to increase the productivity. These can be actuated by hydraulic, pneumatic or electro- mechanical actuators. The actuating unit imparts a linear motion of the wedge is transformed to radial movement of base jaws. This transformation provides a mechanical advantage of 1:4. This ensures a minimum of 1:2 mechanical advantage after providing for internal losses, self locking effect and losses in gripping power at high speed. DOWNLOAD PDF

	Power Operated High Speed Chucks With Through Bore are designed to rotate at high speeds on CNC lathes. The compact construction of the PHNC Chucks offer further advantage of less weight and low inertia which have positive influence on the dynamic effect of CNC machine spindle. These chucks have a large through bore and therefore suitable for bar work. The base jaws and top jaws weight are reduced in these chucks. This not only reduces the mass but also lowers the centre of gravity, which make the centrifugal losses low. DOWNLOAD PDF

	Power Operated High Speed Chucks With Through Bore ideal for high speed machining with centrifugal compensation and less gripping force loss. GMT has designed a chuck to take care of the problems arising out of heavy centrifugal loss. The design is such that the clamping force is very near to that of static clamping force, even at very high speeds. The base jaws are connected to counter weight by means of levers whereby the centrifugal losses arising due to very high speeds is compensated. DOWNLOAD PDF