The mill is intended for manufacturing of round pipe of 12mm-50mm with thickness of 0.5mm3.0mm from cold-rolled and hot-rolled coil strip by means of unclosed tubular blank with its subsequent welding into tube, edge heating by means of solid state high-frequency welder, longitudinal seam welding in rolls of tube welding machine, cooling, further sizing or shaping and on-stream cutting of endless tube in measured lengths.Finished product will be of round, square or rectangular pipe.Ii. The technical flow of the production linesteeltape--double-head un-coiler ---strip-head cutter and welder---spiral accumulator---forming sectionflattening unit +main driving unit +forming unit +guide unit +high frequency induction welding unit +squeeze roller+ de-burr frame---cooling unit --- sizing unit and straightener ---flying saw under computer-control --- run-out table---semi-automatic packing machineiii. Basic conditions: a) steel pipe specification1. Pipe diameter: 1250mm pipe thickness: 0.5 3.0mm2. Square pipe: 14x14mm 40x40mmrectangle pipe: 10x20mm 25x50mmpipe thickness: 0.5 2.5mm3. Pipe length: 6-9m 4. Length tolerance: 0-4mm b) steeltape specification1. Material: low carbon steel & galvanized steel(b500mpa, s235mpa)2. Steel tape: inner diameter: 508mmouter diameter: max=2100mmstrip steel width: 40mm-160mmstrip steel thickness: 0.5mm-1.6mmthe maximum weight: 3.0 tons
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Iris Zhang (Tengdi Machinery)
No.298 of Zhonghua North Street,Shijiazhuang City - 050000, China
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