Production principle of cold-formed steel welded pipe unit

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Multifunctional cold-formed welded steel pipe unit is a special equipment for the production of section steel, square rectangular pipe and round pipe. The equipment adopts the current advanced level of multi-point bending combined forming process in the production of open cold-formed steel and square rectangular tubes, and the FFX forming process of Nakata Company in Japan is used in the production of round tubes. The organic combination of these two processes makes the equipment have the characteristics of saving mold and energy consumption, and realizes the multi-purpose of one machine.