High-Frequency Straight Seam Welded Pipe Production Line - BzZhou Xinghua | Precision, Efficiency, Customization

BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. offers a cutting-edge Welded Pipe Production Line designed for precision and efficiency in manufacturing steel pipes. This advanced system is tailored for producing electric welded steel pipes with diameters ranging from φ76 to φ89 mm and wall thicknesses between 2.0 to 5.0 mm. The production line integrates state-of-the-art technology to ensure high-quality output, making it ideal for a wide range of industrial applications.

Key Technical Specifications

The Welded Pipe Production Line is engineered to meet rigorous industrial standards. Below is a detailed overview of its 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 meters
Length Accuracy	0–6 mm
Forming Speed	60–80 m/min
Computer Flying Saw Speed	80 m/min
Steel Pipe Wall Thickness	2.0–5.0 mm

Core Components and Functionality

The production line is composed of several critical units, each designed to ensure seamless operation and high-quality output. Below is an overview of its key components:

1. Auxiliary Machine Composition

The Welded Pipe Production Line includes the following auxiliary machines:

• Single-Station Manual Uncoiler: This unit features a manual expansion and contraction mechanism, capable of handling steel strip coils with an inner diameter of Ф762 mm and an outer diameter of Ф1800 mm. It has a belt width of 280 mm and a weight capacity of 5 tons.
• Shearing and Welding Unit: Equipped with hydraulic cutting and pneumatic pressing platforms, this component allows for manual welding (excluding the welding machine) to ensure precise seam formation.
• Four-Roller Delivery Machine: Designed to maintain a steady supply of raw materials and feed the welded steel strip into the storage bin, this unit features a gantry frame, upper and lower roller transmission, and a gear split axle box with guide vertical and horizontal pressing rollers.

Figure 1: Read More About linepipe

2. Main Machine Composition

The primary machinery of the production line includes:

• Technical Parameters: The system processes Q195–Q345 strip steel with a thickness of 2.0–5.0 mm. It produces pipes with diameters of φ76–φ89 mm at a welding speed of 60–80 m/min.
• Unit Arrangement: The line features a passive seven-roller leveling system, feeding vertical rollers, forming units with 7 flat and 8 vertical rollers, sizing units with 6 flat and 6 vertical rollers, and a Turkish ear head (8 rollers, single-sided 4 rollers).
• Material Specifications: The horizontal shaft has a diameter of Ф100 mm, while the vertical roller shaft is Ф60 mm. Both are made of 40Cr steel, quenched and tempered. The extrusion roller shaft is Ф70 mm, also made of 40Cr.

3. Computer Flying Saw Machine

This component is critical for cutting the welded pipes to the required length. Key specifications include:

• Sawing Pipe Diameter: Ф76–89 mm
• Wall Thickness: 2.0–5.0 mm
• Fixed Length: 4–8 meters
• Accuracy: ±3 mm
• Maximum Sawing Times: 15 times/min
• Saw Blade Size: Ф900 mm

4. Straightening Machine

The straightening machine eliminates stress and bending after welding. Its features include:

• Four-Column Frame Structure: Equipped with four upper rollers and two lower rollers, where the lower roller is active and the upper rollers are passive, pressed down by a worm gear (manual).
• Technical Parameters: Motor power of 30 kW, straightening rollers with dimensions φ220×400 mm (upper) and φ200×240 mm (lower), made of GCr15 with a hardness of HRC60–65.

Figure 2: Read More About line pipe steel

Applications and Industry Relevance

The Welded Pipe Production Line is designed for versatility, catering to various industrial sectors. Its ability to produce high-quality steel pipes makes it suitable for:

• Oil and Gas Industry: Used in the production of pipelines for transporting crude oil and natural gas.
• Construction Sector: Ideal for manufacturing structural steel pipes for buildings and infrastructure projects.
• Automotive Manufacturing: Provides components for vehicle frames and chassis.
• Water and Wastewater Management: Ensures the creation of durable pipes for municipal water systems.

According to the National Institute of Standards and Technology (NIST), "precision in manufacturing is critical for ensuring the reliability and safety of industrial products" (NIST, 2023). The production line aligns with these standards, offering a solution that meets the demands of modern industrial applications.

Company Background

BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a leading manufacturer specializing in the production of high-quality steel pipe equipment. With decades of experience, the company has established itself as a trusted provider of innovative solutions for the steel industry. Their commitment to technological advancement and customer satisfaction has enabled them to serve clients globally.

Why Choose This Production Line?

The Welded Pipe Production Line offers several advantages that set it apart from competitors:

• High Efficiency: With a forming speed of 60–80 m/min, the line ensures rapid production without compromising quality.
• Precision Engineering: Advanced components like the computer flying saw and straightening machine guarantee accurate dimensions and consistent output.
• Customization: The system can be tailored to meet specific client requirements, ensuring flexibility for diverse applications.
• Durability: High-quality materials and robust design ensure long-term performance and minimal maintenance.

Figure 3: Read More About linepipe

Conclusion

The Welded Pipe Production Line by BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. represents a significant advancement in steel pipe manufacturing. Its combination of high-speed operation, precision engineering, and adaptability makes it an essential asset for industries requiring reliable and high-quality steel pipes. By leveraging cutting-edge technology and adhering to strict quality standards, this production line is poised to meet the evolving demands of the global market.

References

National Institute of Standards and Technology (NIST). (2023). Precision in Manufacturing. Retrieved from https://www.nist.gov/