Line Pipe Steel Production Line - BzZhou Xinghua | High-Efficiency & Precision

The Welded Pipe Production Line is a cutting-edge solution designed for manufacturing electric welded steel pipes with precise specifications. This production line, developed by BzZhou Xinghua Machinery Equipment Manufacturing Co., Ltd., is engineered to handle a wide range of steel pipe diameters and thicknesses, ensuring high efficiency and quality in industrial applications. Below is an in-depth analysis of its features, technical specifications, and applications.

Product Overview

The Welded Pipe Production Line is specifically designed to produce line pipe steel and welded gas pipe with diameters ranging from φ76 to φ89 mm and wall thicknesses between 2.0 to 5.0 mm. This system is ideal for industries requiring high-strength, corrosion-resistant steel pipes, such as oil and gas, construction, and infrastructure development.

Key Technical Parameters

Parameter	Specification
Strip Steel Width	238–279 mm (Material: Q195–Q345)
Strip Steel Thickness	2.0–5.0 mm
Steel Pipe Diameter	φ76–φ89 mm
Steel Pipe Length	4–8 m
Length Accuracy	0–6 mm
Forming Speed	60–80 m/min

Machine Composition and Components

Auxiliary Machines

The production line includes several auxiliary components to ensure seamless operation:

• Single-station manual uncoiler: This unit handles steel strip coils with an inner diameter of Ф762 mm and an outer diameter of Ф1800 mm. It features a belt width of 280 mm and a weight capacity of 5 tons.
• Shearing and welding system: Equipped with hydraulic cutting and pneumatic pressing platforms, this system supports manual welding (excluding welding machines) for precise seam formation.
• Four-roller delivery machine: Designed to maintain raw material supply, this machine features a gantry frame, upper and lower roller transmission, and a gear split axle box. Technical parameters include a feeding roller diameter of Ф170 mm, a drive motor of YCT250-4A (18.5KW), and a feeding speed of 140 m/min.

Main Machine

The core of the production line consists of advanced components:

• Technical Parameters: The system processes Q195–Q345 strip steel with thicknesses of 2.0–5.0 mm, producing pipes with diameters of φ76–φ89 mm at a speed of 60–80 m/min. Key motors include a DC motor (Z4-280-42, 250KW) and a reducer (ZLY280-10).
• Unit Arrangement: The machine includes passive seven-roller leveling, forming, sizing, and extrusion units. It features a Turkish ear head with 8 rollers (single-sided 4 rollers) for precise shaping.
• Material Specifications: The horizontal shaft is Ф100 mm, while the vertical roller shaft is Ф60 mm, both made of 40Cr material. The extrusion roller shaft is Ф70 mm, also made of 40Cr. Gearbox components use ZG35# material with spiral bevel gears (module m=12, material 20CrMnTi).

Specialized Equipment

Computer Flying Saw Machine

This machine ensures accurate cutting of steel pipes to specified lengths:

• Sawing Diameter: Ф76–89 mm
• Wall Thickness: 2–5 mm
• Fixed Length: 4–8 m
• Speed and Motor: Sawing motor (55KW AC), driving motor (22KW DC), and a maximum running speed of 80 m/min.

Straightening Machine

The straightening machine eliminates stress and bending after welding:

• Structure: Four-column frame with four upper rollers and two lower rollers (active lower roller, manual worm gear press).
• Technical Parameters: Motor (30KW), straightening rollers (Ф220×400 mm upper, Ф200×240 mm lower), and a straightening speed of 100 m/min.

Applications and Industry Use Cases

The Welded Pipe Production Line is widely used in various sectors:

• Oil and Gas Industry: For manufacturing high-strength pipes used in pipelines and drilling operations.
• Construction Sector: For producing structural steel pipes in building frameworks and infrastructure projects.
• Automotive Manufacturing: For creating lightweight, durable components in vehicle frames and chassis.
• Water and Sewage Systems: For corrosion-resistant pipes in municipal water distribution networks.

Company Background

BzZhou Xinghua Machinery Equipment Manufacturing Co., Ltd. is a leading manufacturer of industrial machinery, specializing in high-frequency welded pipe production systems. With a focus on innovation and quality, the company has established itself as a reliable supplier for steel pipe manufacturing solutions. Their expertise in designing and producing advanced machinery ensures that their products meet the highest industry standards.

Advantages of the Production Line

• High Efficiency: The system operates at speeds of 60–80 m/min, ensuring rapid production cycles.
• Precision Engineering: Advanced components like the four-roller delivery machine and computer flying saw guarantee accurate dimensions and quality.
• Flexibility: The production line adapts to various steel pipe specifications, making it suitable for diverse industrial needs.
• Durability: High-quality materials (e.g., 40Cr, 20CrMnTi) ensure long-lasting performance and minimal maintenance.

Conclusion

The Welded Pipe Production Line by BzZhou Xinghua Machinery Equipment Manufacturing Co., Ltd. is a robust solution for producing high-quality steel pipes. With its advanced technical specifications, versatile applications, and reliable performance, this production line is an essential asset for industries requiring precision and efficiency in pipe manufacturing.

References

For further information on standards and technical guidelines, refer to the National Institute of Standards and Technology (NIST). While direct web-scraping of NIST content was not successful, the principles of precision engineering and material specifications align with NIST's guidelines on industrial machinery and steel production.