Flash welding
As with butt welding, flash welding is a method in which the ends of the workpiece are
pressed together and welded. It is used for welding thicker workpieces such as heavy
anchor chain, rails and pipes.
The process starts by preheating the components, by moving the parts forwards and
backwards, into and out of contact with each other a number of times, while current is
passing, so that the contact points heat up and heat the body of the metal behind them.
When the temperature is sufficiently high, this is followed by the next stage of flashing.
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Date: 2023-04-10 hits: 571 Return
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