METHOD FOR PRESSURE WELDING OF RAILS AT HEATING THEM Russian patent published in 2006 - IPC B23K20/00

Abstract RU 2285596 C2

FIELD: welding processes and equipment, namely joining butts of rails of railway road, trams and so on.

SUBSTANCE: method comprises steps of mechanically working rail butts; butt joining of them and centering; then applying compression effort and realizing induction heating of rails butt till temperature consisting 0.8 - 0.9 of their melting temperature. Complex-shape inductor with different gap along rail contour is used. When welding temperature is achieved, additional pulses for heating till the same temperature are applied.

EFFECT: improved quality of joining rails by welding, rational use of metal.

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RU 2 285 596 C2

Authors

Gubarev Aleksandr Veniaminovich

Luzhin Sergej Vladimirovich

Dates

2006-10-20—Published

2005-02-02—Filed