Tool-less machine tool chuck

Details Tool-less machine tool chuck Tool-less machine tool chuck

B - Operations, Transporting

23

B

B23B 31/12 (2006.01) B23B 31/20 (2006.01) B23Q 3/12 (2006.01)

Patent

CA 2216781

The chuck includes a slitted body with an axial bore that holds the tool shank during rotation of the chuck. A gripping sleeve applies compressive pressure via cam elements to reduce the diameter of the axial bore. A spring biased locking sleeve can activate locking elements to lock the gripping sleeve to the body member in the locked position. An engagement mechanism connects the chuck to a drive spindle and also has a mounting mechanism for facilitating automated mounting of the chuck to a drive spindle.

Mandrin comprenant un corps fendu comportant un alésage axial dans lequel est retenu l'emmanchement d'outil lorsque le mandrin est en rotation. Au moyen d'éléments de came, un manchon de serrage exerce une force de compression, ce qui réduit le diamètre de l'alésage axial. Un manchon de fixation à ressort permet d'activer les éléments de verrouillage, de façon à ce que le manchon de serrage soit fixé au corps en position de verrouillage. Un mécanisme d'embrayage relie le mandrin à l'arbre d'entraînement et est muni d'un mécanisme de fixation qui facilite le montage du mandrin sur l'arbre d'entraînement.

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