B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 11/00 (2006.01) B23B 31/22 (2006.01) B23B 31/30 (2006.01) B23Q 16/10 (2006.01)
Patent
CA 2313564
The apparatus comprises a chuck member to be mounted within the operating area of the machine tool and a work piece carrier that can be put onto the chuck member and clamped thereto. First positioning members provided on the chuck member and second positioning members provided on the work piece carrier cooperate to define the position of the work piece carrier along three coordinate axes each running perpendicular to each other as well as with regard to the angular orientation. A clamping mechanism fixes the work piece carrier member to the chuck member in the afore mentioned defined position. In order to ensure an increased resistance against tilting momenta and torque occurring during the machining of a work piece, the first positioning members are constituted by conical centering pins and the second positioning members are constituted by recesses in the shape of a two-stage groove having two shoulders. The edges of the shoulders protruding towards the interior of said groove have a mutual distance that is somewhat less than the width of the conical centering pins, measured between those locations that touch the edges of the shoulders once the work piece carrier is clamped to chuck member.
Fries Karl
Luscher Marcel
Cassan Maclean
Erowa Ag
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