It’s the main equipment of the weld pipe production line, it can continuously reel the long strip steel of specific size to cylinders and welding to pipe, it can both produce round pipe and square or rectangle pipe, the mechanical unit use roll forming theory, the high frequency weld pipe can continuously produce steel pipe in specific size, the heating method use induction welding, which means feeding the specific size of steel strip into the machine, through forming roll change the steel strip into billet pipe, then through Kelvin effect and proximity effect of the high frequency current let the current concentrate in high degree at the pipe edge, welding face heat the pipe edges reach the weld temperature in short time, and finish the welding at the roll , then through the process of cooling, sizing and roughly straightening into the need size steel pipes.

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