B - Operations – Transporting – 23 – H
Patent
B - Operations, Transporting
23
H
269/21
B23H 7/26 (2006.01) B23H 11/00 (2006.01) B25B 5/10 (2006.01) B25B 5/14 (2006.01)
Patent
CA 1260968
ABSTRACT OF THE DISCLOSURE An apparatus for clamping non-rotating work pieces which have an elongate portion or an elongate shank with polygonal, pre- ferably square cross section,comprising a clamping body member with a hollow clamping chamber provided therein, which has a corresponding polygonal cross section. The chamber has at least one opening through which the work piece may be inserted. Clam- ping means are provided to clampingly fix the work piece in the clamping chamber. To define the position of the work piece at least in X- and Y-direction as well as with regard to its angu- lar orientation, the clamping chamber is provided with referen- ce means comprising a first web and a second web each project- ing from a first inner side wall towards the interior of the clamping chamber and arranged in a certain distance from each other, and a third web projecting from a second, adjacent inner side wall towards the interior of the clamping chamber. The clamping means are located essentially opposite to the first and third webs such that it clamps the work piece inserted into the clamping chamber towards the first, second and third webs. The apparatus is particularly suitable to clamp electrode blanks and finished electrodes used in an electro erosive machining apparatus where high positional accuracy is required, even if the work piece is repeatedly inserted and removed from the apparatus.
524882
Erowa Ag
Ridout & Maybee Llp
LandOfFree
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