High-Frequency Straight Seam Welded Pipe Production Line|BzZhou Xinghua Machinery Equipment Manufacturing Co.,LTD.|High Efficiency&Precision Engineering

Overview

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is a specialized system designed to manufacture electric welded steel pipes with diameters ranging from φ76 to φ89mm and wall thicknesses between 2.0-5.0mm. This production line integrates advanced machinery and precision engineering to ensure high-quality output while maintaining efficiency in industrial applications. Developed by BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD., the system is tailored for durability, accuracy, and adaptability to various material specifications.

Key Technical Specifications

Parameter	Details
Strip Steel Width	238-279mm (Material: Q195-Q345)
Strip Steel Thickness	2.0-5.0mm
Steel Pipe Specifications	φ76－φ89mm
Steel Pipe Length	4-8m
Length Accuracy	0-6mm
Forming Speed	60-80m/min
Computer Flying Saw	Sawing Diameter: φ76-89mm | Wall Thickness: 2-5mm | Fixed Length: 4-8m
Straightening Roller Diameter	φ220×400mm (Upper) | φ200×240mm (Lower)

Core Components and Functionality

Auxiliary Machine Composition

• Single-Station Manual Uncoiler: Designed for manual expansion and contraction, it accommodates steel strip coils with an inner diameter of φ762mm and outer diameter of φ1800mm. The belt width is 280mm, and the unit weighs 5 tons.
• Shearing and Welding Unit: Features hydraulic cutting, pneumatic pressing platforms, and manual welding (excluding automated welding machines).
• Four-Roller Delivery Machine: Ensures continuous material supply to the forming machine. Key technical parameters include a feeding roller diameter of φ170mm, a drive motor of YCT250-4A (18.5KW), and a feeding speed of 140m/min.
• Cage Looper: Stores raw materials for uninterrupted production. The structure includes adjustable frames and tension rollers to accommodate varying steel strip widths.

Main Machine Composition

• Technical Parameters:
  • Raw Materials: Q195-Q345 strip steel (2.0-5.0mm thickness)
  • Welding Pipe Diameter: φ76-φ89mm
  • Welding Speed: 60-80m/min
  • Motor: Z4-280-42 (250KW)
  • Reducer: ZLY280-10
• Unit Arrangement: Passive seven-roller leveling, feeding vertical roller, forming (7 flat and 8 vertical), sizing (6 flat and 6 vertical), guiding, extrusion, scraping, and cooling water tank. The system includes an 8-roller Turkish ear head.
• Material Specifications:
  • Horizontal shaft: φ100mm, 40Cr material (quenched and tempered)
  • Extrusion roller shaft: φ70mm, 40Cr material (quenched and tempered)
  • Gearbox: ZG35# material with spiral bevel gear transmission (module m=12, 20CrMnTi)
• Computer Flying Saw Machine:
  • Sawing Diameter: φ76-89mm
  • Fixed Length: 4-8m
  • Maximum Sawing Speed: 80m/min
  • Saw Blade Size: φ900mm
  • Motor Specifications: 55KW (AC), 22KW (DC)

Applications and Industry Relevance

This production line is widely used in the manufacturing of line pipe steel and welded gas pipe for applications in oil and gas, construction, and industrial infrastructure. Its ability to handle high-strength materials like Q195-Q345 ensures compliance with stringent industry standards. The system's precision in maintaining pipe dimensions and wall thickness makes it ideal for critical applications where structural integrity is paramount.

Company Background: BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD.

Based in Bazhou City, Hebei Province, BzZhou Xinghua is a leading manufacturer of steel pipe production equipment. With over two decades of experience, the company specializes in designing and producing high-efficiency, high-precision machinery for the steel industry. Their commitment to innovation and quality is reflected in the robust design of the φ76—φ89 production line, which meets international standards for performance and reliability.

Advantages and Competitive Edge

• High Efficiency: With a forming speed of 60-80m/min, the system maximizes throughput while minimizing energy consumption.
• Flexibility: Adaptable to various steel strip widths (238-279mm) and thicknesses (2.0-5.0mm), ensuring versatility across different production needs.
• Precision Engineering: The inclusion of advanced components like the four-roller delivery machine and computer-controlled flying saw ensures minimal deviations in pipe dimensions.
• Durability: High-quality materials (e.g., GCr15 for rollers, 40Cr for shafts) guarantee long-term performance under demanding industrial conditions.

Compliance and Standards

As highlighted by the National Institute of Standards and Technology (NIST), precision in manufacturing is critical for ensuring product consistency and safety. The production line's adherence to dimensional accuracy (±3mm for cutting) and material strength (Q195-Q345) aligns with NIST's emphasis on metrology and measurement standards. This compliance ensures that the steel pipes produced meet global benchmarks for quality and performance.

Conclusion

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line represents a culmination of advanced engineering and industrial expertise. By integrating precision machinery, durable materials, and efficient processes, BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. delivers a solution that meets the evolving demands of modern manufacturing. For industries reliant on high-quality steel pipes, this system offers a reliable and scalable production option.

References

NIST (National Institute of Standards and Technology). (n.d.). https://www.nist.gov/

BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD.. (n.d.). https://www.xhequipment.com/