Process for modifying the section of a railway rail and rail...

Details Process for modifying the section of a railway rail and rail... Process for modifying the section of a railway rail and rail...

B - Operations, Transporting

21

K

B21K 7/02 (2006.01) B21D 53/00 (2006.01) B21K 9/00 (2006.01) E01B 5/02 (2006.01)

Patent

CA 2137618

The process consists in increasing the height of the rail to the detriment of the thickness of the web (16) and of the flange (18). Firstly, the thickness of the upper part of the web (16) below the head (14) is reduced by machining and, next, the rest of the web (16) and the flange (18) of the rail (10) are heated up and deformed by forging. This process avoids hardness modifications of the running surface of the rail.

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