127 Straight Seam Precision High Speed Tube Mill For Oil Road Building Materials
Product Specifications
| Attribute |
Value |
| Coil weight |
≤1.5T |
| Coil Thickness |
1-2.3 mm |
| Coil Width |
45-120 mm |
| Inner diameter |
80 to 520 mm |
| Outer diameter |
1000 to 1600 mm |
| Speed |
Max 120m/min |
| Warranty |
One year |
| Material |
Low carbon HRC |
Product Description
The HG127 high frequency straight seam precision welded pipe production line is designed for manufacturing round pipes (60-127mm diameter, 1.5-4.5mm wall thickness) and square pipes (50×50-100×100mm, 1.5-4.0mm thickness). This innovative system combines domestic and international technology with optimized design for superior operation, maintenance, and precision.
Production Process
- Coil Loading
- Uncoiler
- Shear and Welding
- Horizontal Spiral Accumulator
- Forming, HF welding, Cooling, Welding polish, Sizing, Rough straightening
- Cutting saw
- Straight machine
- Milling head machine
- Inspection
- Packing
- Storage
Key Components and Parameters
1. Double Cone Hydraulic Uncoiler
Features hydraulic expanding and pneumatic driving with sliding block structure.
| Parameter |
Value |
| Coil out diameter |
Φ2000-2000mm |
| Coil inner diameter |
Φ508-610mm |
| Strip width |
200-400mm |
| Strip thickness |
1.5-4.0mm |
| Strip weight |
Max 7.0T |
| Expand type |
Hydraulic expand, sliding block structure |
| Break |
Pneumatic drive, 2 pcs disc break |
| Mandrel material |
Quenching and tempering, hardness HB220-260 |
| Center height |
1100mm |
2. Straight Head and Pinch Leveling Machine
Guides new coil steel head into the flattener unit with 2 roll pinch and 5 roll leveling system.
Specifications: Straight head motor power: AC1.5KW | Processing pressure: 7 Mpa | Pinch roll diameter: 180mm | Leveling roll diameter: 120mm | Pinch and leveling motor: 15kw
3. Shear and Welder
Cuts irregular strip ends and connects strips using CO2 carbon dioxide shielded welding.
| Parameter |
Value |
| Shear width |
200-400mm |
| Welding thickness |
1.5-4.0mm |
| Shear type |
Hydraulic shear |
| Compression way |
Hydraulic |
| Welding way |
CO2 Carbon dioxide shielded welding |
| Welding type |
Manual welding |
| Blade material |
H13 |
| Hydraulic pressure |
10MPA |
| Air pressure |
0.5MPa |
| Working cycle |
Max. 300 s |
4. Horizontal Accumulator
Includes press & carry material device, accumulator assembly, carry off material unit, electric control unit, and feeding device. Stores strip steel material and regulates transfer velocity.
5. Forming & Sizing Mill
Uses roller type forming with high-frequency induction welding for precise pipe shaping.
Specifications: Forming speed: 15-60m/min | Finish round pipe diameter: 60-127mm | Finish round pipe thickness: 1.5-4.0mm | Finish square pipe size: 50x50-100x100mm | Finish square pipe thickness: 1.5-4.0mm
6. Cold Saw
Precisely cuts pipes to length during continuous high-speed delivery.
Capacity: Round pipe diameter: Φ40-130mm, thickness: 1.2-4.0mm
7. Runout Table
Transports finished pipes to stacking area after cutting.
8. Automatic Stacking Machine (Square Pipe Only)
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