B - Operations – Transporting – 23 – C
Patent
B - Operations, Transporting
23
C
90/1, 90/37
B23C 3/12 (2006.01) B65G 19/22 (2006.01)
Patent
CA 1285802
ABSTRACT OF THE DISCLOSURE In a process for edging metal strips, especially nonferrous metal strips, by means of an edging machine wherein the longitudinally driven metal strip is guided between an upper and a lower linear guide and cutting tools are disposed successively along the line of movement of the strip, on either side of the linear guides. It is proposed according to the invention that a liquid or gaseous fluid be forced out of the central part of the linear guides at individual points along the line of the movement, into the clearance between the metal strip and the linear guides. In a linear guide for carrying out this process, provision is made according to the invention such that, in each linear guide face confronting the metal strip, there are a series of grooves running longitudinally along the center of the guide, the grooves being separate from one another and connected to inlets for the fluid. These measures assure, by means of the pressure cushion that forms in operation, that the friction and hence the driving force become extremely low, that the chips produced from the material are reliably kept out of the area between the linear guide tracks and the metal strip, and that the surfaces of the metal strip are protected against damage. - 16 -
530578
Julius Rolf
Julius Maschinenbau Gmbh
Mitches & Co.
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