Process for the production of friction discs

Details Process for the production of friction discs Process for the production of friction discs

B - Operations, Transporting

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26/164

B23P 15/00 (2006.01) C04B 35/83 (2006.01) D04H 18/00 (2006.01) F16D 65/12 (2006.01) F16D 69/02 (2006.01)

Patent

CA 1198268

PROCESS FOR THE PRODUCTION OF FRICTION DISCS ABSTRACT Friction discs of carbon-carbon composite materials are produced by winding a strip of material composed of fibres around a cylindrical mandrel, and carrying out one or both of the following operations : (a) at the same time as the strip of material composed of fibres is wound around the mandrel, it is subjected to a radial needling operation, the strip then comprising a plurality of layers of fibres of different orientations and lengths according to the layers formed, and (b) the winding produced is radially compressed so as to produce circumferential undulations in all the layers forming the winding. The invention is particularly intended for the manufacture of brake and clutch discs.

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