steel welded tubeRoll Forming Machine/iron pipe tube rolling machine

1. Summary

The mill is intended for manufacturing of round pipe of Φ10mm-Φ89 mm with thickness of 0.4mm–6.0mm 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.

1. The technical flow of the production line

{SteelTape}→→ Double-head un-coiler →→Strip-head Cutter and welder→→

Spiral Accumulator→→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:

1. a)Steel Pipe Specification
2. Pipe diameter: Φ10mm-Φ90mm
   Pipe Thickness: 1.0mm–3.5mm
3. Square pipe example: 15x15-70x70mm Max for square pipe

Rectangle pipe example: 15X30-80x60 Max

Pipe Thickness: 1.0mm–3.5mm
3. Pipe Length: customize Max is 12

4. Length Tolerance: 0-6mm
5. b) Steel Pipe Specification
6. Material: Low Carbon steel
7. Steel Tape: Inner diameter: Φ470-510mm

Outer diameter: Φmax=1500mm

Strip steel width: 40mm-160mm

Strip steel thickness: 0.4mm-3.5mm

The maximum weight: 1.0 tons

1. c) Electricity
2. Dynamic power: AC380V±10%, 3phases, 50Hz±1.0%
3. Control Power: AC220V±10%, one phase, 50 Hz ±1.0%
4. d) Electric installed capacity: 200KW
5. e) Cooling water
6. Reservoir for High Frequency equipment: 15 m³, one set
7. Reservoir for circulating cooling water: 15 m³, one set
8. f) Compressed air
9. Pressure: 0.4Mpa
10. Flow: 0.5m³/h
11. g) Production capacity

Annual output: 10000 ton, according to the yearly working days.daily working hours and the products.

1. h)Line speed:30-90m/min

The machine is composed by the following elements:

Double head decoiler:

Stroage acuumulator

Main roll forming machine of making tube shape from coil.

Automatic pipe welding system.

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