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High Frequency Welded Pipe Mill Line
| Type Of Welding : | High Frequency Induction Welding |
|---|
Product description
The ERW pipe mill is the core unit of high frequency ERW pipe mill line, with high frequency welding blank pipe seams between forming and sizing.
Besides forming and sizing units, the other equipments on pipe production line are uncoiler, shear and butt welder, accumulator, high frequency welder, flying saw, roll table and auto packer.
High frequency welding equipment is solid state, made by famous HF welder makers
Flying saw is hot friction type or cold saw, with cutting length precision within 3mm.
The continuous pipe making process: uncoiling, cutting and joint welding, accumulating, (blank pipe forming, seam guide, high frequency induction welding, seam squeeze, out burrs scraping, polishing, cooling, sizing and turks head straightening), flying cut, roll table packing.
Description of critical equipment on ERW pipe mill line:
1.Uncoiler: manual or pneumatic expansion 180 degree double mandrels for 2T coil
2.Accumulator loop: cage accumulator for ≤3x150mm steel strip
3.Pipe forming and sizing machine:
| Model | Pipe size | HF welder (KW) | Motor power(KW) | Speed (m/min) |
| Фmm x mm | ||||
| HG16 | Ф(7-20) x (0.2-0.5) | 60 | 22 | 80-140 |
| HG25 | Ф(8-32)x(0.35-1.3) | 100 | 45 | 70-130 |
| HG32 | Ф(15-50) x (0.6-2.0) | 150 | 110 | 60-120 |
| HG50 | Ф(20-63)x(0.8-2.5) | 200 | 160 | 50-100 |
| HG63 | Ф(20-76)x(0.8-3.0) | 250 | 200 | 30-90 |
4.Fly cutting Saw: in general applications, hot friction chopping style flying saw is enough,
recent years cold cutting saw is becoming more and more popular for the cut pipe ends are smooth without burrs. Both flying saws are mature technology.
5.Discharging roll table and automatic packing
Customers can choose: either each pipe runs on roll table and then fall into pipe collecting frame, or pipes run and go to packing table where pipes are automatically packed into hexagon bundle.
Configuration of ERW pipe mill electric system
1.Pipe forming and sizing by DC motor controlled by Parker DC driver
2.High frequency welding equipment is made in Baoding
3.Flying saw control system is Contor
4.One operator console for uncoiler and accumulator
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