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News - 2009
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Highly precise and low maintenance: At every clamping stroke the new ROTA NCF plus is automatically lubricated.
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11-03-2009 -
The new ROTA NCF plus power chuck from SCHUNK is designed for the highest demands on modern lathes. The multi-tooth guidance of the base jaws together with the hardened chuck body assure an optimum guidance ratio and make the lathe extremely rigid and precise. A modular sealed center sleeve system increases flexibility for the most diverse applications in everyday life. Furthermore, a special greasing system assures a permanently high repeat accuracy and clamping force of the powerhouse.
The especially large through hole of the ROTA NCF plus assures that all current bar materials can be machined on the lathe chuck. With the integrated centrifugal force compensation, a safe hold of the powerhouse is guaranteed - even at the highest RPM. The integrated lubrication pump system automatically provides the chuck with grease at every clamping stroke. Therefore the ROTA NCF plus is superior to conventional wedge-hook chucks: The intervals of maintenance prolong the life of the chuck and the high clamping force can be maintained for a longer period of time.
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Particularly efficient
In addition to efficiency in force and precision, the ROTA NCF plus is also one step ahead when energy and cycle times are concerned: Its weight-optimized chuck body can be efficiently accelerated to high speeds and decelerated quickly as well. On modern lathes and milling centers as well as for applications with driven tools, the chuck design facilitates the access to the workpiece. Depending on the application, the power chuck can be equipped with various center sleeves, which can be exchanged from the front for operations with adjustable stop, central coolant feeding, or ejectors.
All functional parts of the ROTA NCF plus are hardened and ground. The piston area of the chuck is additionally sealed against coolants. The base jaw’s interface is available in two designs with fine serration 1/16" x 90° or 1.5 mm x 60°. Therefore the operator can continue to use his existing jaws. The standard version of the power chuck is available in the sizes 185, 215, 260, 315, 400, und 500 mm. Larger diameters of up to 1000 mm are available on request.
Brief description:
- Powerhouse with multi-tooth guided base jaws and large through-hole
- Integrated grease pump system for constant performance
- Energy-efficient and interfering contour-optimized chuck design
- Fully flexible thanks to the modular center sleeves.
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