Polyvalenter Spannfutter für Werkzeugmaschine

摘要

Multi-function chuck for machine tool comprising a cylindrical chuck body (10) in the front face of which there are radially guided a plurality of clamping jaws (30) which can be actuated by drive means (100, 110, 130) from the axial displacement of an internal control cylinder (20) concentric with the chuck. The control cylinder (20) is fitted at its front end with a linking member, for example in the form of a fastening collar directed inwards, for attached additional holding means (50) coming to bear on the tapered part of the coaxial opening. The front coaxial opening of the chuck has a tapered part (40) whose apex is directed rearwards. The chuck additionally comprises means (60-65) for selecting the maximum travel of the control cylinder (20).