Hangzhou rectangular welded steel pipe roll forming machine

Hangzhou rectangular welded steel pipe Roll Forming Machine    I. Summary The mill is intended for manufacturing of round pipe,rectangular pipe and square pipe of with thickness of 0.8mm–2.0mm 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. Working flow SteelTape→→ Double-head un-coiler →→Strip-head Cutter and welder→→Cage Loop→→Forming section(Flattening 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   III. Basic conditions: a) Steel Pipe Specification      

Round Pipe diameter	Φ12–Φ50mm
Pipe Thickness	0.8 – 2.0mm
Square Pipe	10X10mm –40X40mm
Rectangle Pipe	10X15mm –30X50mm
Pipe Thickness	0.8 – 1.5mm
Pipe Length	6.0m – 9.0m
Length Tolerance	0-6mm

  b) Steel Tape Specification   1. Material: Carbon steel (δb≤500Mpa, δs≤235Mpa)  2. Steel Tape:   

Inner diameter	Φ470-Φ510mm
Outer diameter	Φmax=1500mm
Strip steel width	40mm-160mm
Strip steel thickness	0.8mm-2.0mm
The maximum weight	1.5 tons

  c) Electric installed capacity:      appro. 350KW   d) Size of the whole line:           appro. 50X5m   IV Photos show                if anyone interests you,please contact me without hesitation. QQ:15700150474 Skype: emily.xie99    

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