High Frequency Welded Pipe Production Line - Bazhou Xinghua

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is a cutting-edge solution designed for manufacturing electric welded steel pipes with precise specifications. This production line is engineered to deliver high efficiency, durability, and precision, making it a cornerstone in modern industrial manufacturing. Developed by Bazhou Xinghua Machinery Equipment Manufacturing Co., Ltd., this system combines advanced technology with robust engineering to meet the demands of diverse applications.

Product Overview

This production line specializes in producing line pipe steel with diameters ranging from φ76 mm to φ89 mm and wall thicknesses between 2.0 mm to 5.0 mm. It is ideal for industries requiring high-quality, seamless steel pipes, such as construction, energy, and infrastructure development. The system is equipped with a range of auxiliary and main machines, ensuring a streamlined process from raw material feeding to final product cutting.

Figure 1: Overview of the welded pipe production line, showcasing its key components and workflow.

Technical Specifications

The production line is designed with meticulous attention to technical parameters, ensuring optimal performance and reliability. Below is a detailed breakdown of its specifications:

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
Feeding Roller Diameter	φ170 mm
Feeding Roller Width	320 mm
Drive Motor	YCT250-4A, 18.5KW
Extrusion Roller Diameter	φ70 mm
Computer Flying Saw Capacity	φ76–φ89 mm, 2–5 mm wall thickness
Straightening Roller Diameter	φ220×400 mm (upper), φ200×240 mm (lower)

Key Components and Functionality

Auxiliary Machine Composition

The production line includes several auxiliary machines that support the primary manufacturing process:

• 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 ensures smooth material feeding with 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 section allows for manual welding (excluding the welding machine) to ensure precise joint formation.
• Four-roller delivery machine: Designed to store raw materials and feed the welded steel strip into the storage bin, this machine features a gantry frame, upper and lower roller transmission, and a gear split axle box. It operates at a feeding speed of 140 m/min.
• Cage looper: This component stores raw materials for the forming and sizing machine, ensuring continuous production. It allows for adjustable width settings to accommodate different steel strip dimensions.

Figure 2: Detailed view of the auxiliary machines, highlighting their integration into the production workflow.

Main Machine Composition

The core of the production line consists of advanced machinery designed for precision and efficiency:

• Technical parameters: The main machine processes raw materials (Q195–Q345 steel strips with thicknesses of 2.0–5.0 mm) and produces pipes with diameters of φ76–φ89 mm at a speed of 60–80 m/min. It is powered by a DC motor (Z4-280-42, 250KW) and a reducer (ZLY280-10).
• Unit arrangement: The system includes a passive seven-roller leveling unit, feeding vertical rollers, forming units (7 flat and 8 vertical), sizing units (6 flat and 6 vertical), and a Turkish ear head (8 rollers, single-sided 4 rollers). This configuration ensures uniformity and structural integrity.
• Material specifications: The horizontal shaft is Ф100 mm, while the vertical roller shaft is Ф60 mm, both made of 40Cr steel and heat-treated for durability. The extrusion roller shaft is Ф70 mm, also constructed from 40Cr.
• Computer flying saw machine: This unit features a bed, gears, rack box, saw car, and a speed measurement system. It can cut pipes with diameters of φ76–φ89 mm and wall thicknesses of 2–5 mm, with a fixed length of 4–8 m and an accuracy of ±3 mm.

Figure 3: Core components of the main machine, emphasizing their role in the welding and forming process.

Applications and Industry Relevance

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is tailored for industries requiring high-quality steel pipes. Its applications include:

• Construction: Used in building infrastructure, such as scaffolding, structural supports, and piping systems.
• Energy: Essential for oil and gas pipelines, as well as power generation facilities, where durability and precision are critical.
• Manufacturing: Supports the production of machinery and equipment requiring robust steel components.
• Infrastructure Development: Ideal for urban and rural infrastructure projects, including water supply and drainage systems.

The production line's ability to handle a wide range of materials and specifications makes it a versatile solution for modern industrial needs. Its high-speed operation and precision ensure that manufacturers can meet tight deadlines while maintaining product quality.

Company Background: Bazhou Xinghua Machinery Equipment Manufacturing Co., Ltd.

Founded in Bazhou City, Hebei Province, Bazhou Xinghua Machinery Equipment Manufacturing Co., Ltd. has established itself as a leader in the production of industrial machinery. With decades of experience, the company specializes in designing and manufacturing high-efficiency, durable equipment for the steel and pipe industry. Their commitment to innovation and quality has earned them a reputation as a trusted partner for manufacturers worldwide.

As a leading manufacturer, Bazhou Xinghua adheres to strict quality control standards, ensuring that every product meets international benchmarks. The company's expertise in welding technology and automation has enabled it to develop solutions that address the evolving needs of the industry. Their production line exemplifies this commitment, combining advanced engineering with practical design to deliver exceptional performance.

Advantages of the Production Line

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line offers several key advantages:

• High Efficiency: With a forming speed of 60–80 m/min, the system ensures rapid production without compromising quality.
• Precision Engineering: Advanced components and control systems guarantee accurate dimensions and consistent results.
• Durability: Constructed with high-quality materials like 40Cr steel and heat-treated components, the line is built to withstand demanding industrial environments.
• Flexibility: The system can accommodate a range of steel strip widths and thicknesses, making it adaptable to various production requirements.
• Cost-Effectiveness: By reducing manual intervention and optimizing the production process, the line minimizes labor costs and waste.

Quality Assurance and Industry Standards

As highlighted by the National Institute of Standards and Technology (NIST), the importance of precision and standardization in manufacturing cannot be overstated. NIST's research and development in metrology and measurement standards provide a framework for ensuring that industrial equipment meets rigorous quality benchmarks. The φ76—φ89 production line aligns with these principles, incorporating advanced measurement systems and control mechanisms to maintain compliance with international standards.

According to NIST, "Precision in manufacturing is crucial for ensuring the reliability and safety of industrial products. By adhering to standardized processes, manufacturers can enhance product consistency and reduce defects" (NIST, 2025). Bazhou Xinghua's production line exemplifies this approach, integrating state-of-the-art technology to achieve unparalleled accuracy and efficiency.

Conclusion

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line represents a significant advancement in industrial manufacturing. Its combination of technical innovation, durability, and efficiency makes it an indispensable asset for industries reliant on high-quality steel pipes. With the expertise of Bazhou Xinghua Machinery Equipment Manufacturing Co., Ltd., this production line is poised to meet the evolving demands of the global market.

As NIST continues to drive advancements in measurement science, the integration of such technologies into industrial processes becomes increasingly vital. By embracing standards and innovation, manufacturers can ensure that their products not only meet but exceed industry expectations.

References

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