Hangzhou galvanized steel welded tube cold 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      

b) Steel Tape Specification

1. Material: Carbon steel (δb≤500Mpa, δs≤235Mpa) 

2. Steel Tape: 

c) Electric installed capacity:      appro. 350KW

d) Size of the whole line:           appro. 50X5m

IV Photos show

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