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Flash Butt Rail Welding

Flash butt welding is an automated flash butt welding process for rail joints through short circuits and subsequent upsetting, creating continuous seamless tracks.

Physical-Chemical Mechanism of Action

The process uses rapid heating of rail pieces through short circuits. The ends are then pressed together and upset, creating a solid connection.

Metallurgical Relevance & Welding Risks

Incorrect settings or irregular heating can cause non-uniform structure and cracks. Excessive pressure times can deform the ends.

Workshop Practice & Instructions

Use an automated flash butt welding machine with correctly set short circuit times and pressure times. Continuously monitor temperature and pressure to ensure a uniform joint.

MetallurgieSchweißtechnik

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