E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 11/50 (2006.01) C21D 9/50 (2006.01)
Patent
CA 2551233
A welding unit (1) for welding two rails (2) of a track comprises, on a unit half (4), an air nozzle (13) with a temperature sensor (14). Immediately after a welding burr (11) is sheared off, a glowing weld joint can be cooled in a controlled manner by supplying compressed air via a cooling opening (18) of the air nozzle (13). This makes it possible to carry out an optimal welding of head-hardened rails (2).
L'invention concerne un groupe de soudage (1) pour souder deux rails (2) d'une voie, qui présente, sur une moitié de groupe (4), une buse d'air (13) avec un palpeur de température (14). Un joint soudé incandescent peut être refroidi de manière contrôlée, immédiatement après cisaillage d'une bavure de soudage, par apport d'air comprimé, par l'intermédiaire d'une ouverture de refroidissement (18) de la buse d'air (13).
Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh
Riches Mckenzie & Herbert Llp
LandOfFree
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