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Schunk Inc. has added design features that expand the application flexibility of the THW-plus quick-jaw-change lathe chuck. These features include a larger through-hole, improved grease retention and better sealing against particle and coolant intrusion.
Another feature includes jaw installation safety, which is supported by an internal interlock that prevents the removal of the chuck wrench when the quick-change jaw is not properly installed. After proper installation, the chuck wrench is ejected from the chuck body.
Also, the chuck’s center sleeve is removable from the front and available in configurations that include through-hole, closed, adjustable coolant, adjustable stop and part ejector. Jaws can be exchanged in less than 1 minute, and gripping forces are maintained to 6,000 rpm.
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