High-Frequency Straight Seam Welded Pipe Production Line - BZhou Xinghua Machinery Equipment Manufacturing Co., LTD.

Introduction

The welded pipe production line is a state-of-the-art solution for producing high-quality electric welded steel pipes with diameters ranging from φ76 to φ89mm and wall thicknesses between 2.0 to 5.0mm. This system is engineered to meet the demands of modern industrial applications, offering high-speed production, precision, and durability. Developed by BZhou Xinghua Machinery Equipment Manufacturing Co., LTD., this production line integrates advanced technology to ensure optimal performance and reliability.

Main Technical Parameters

• 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

These technical parameters highlight the production line's capability to handle a wide range of steel strip materials and produce pipes with precise dimensions, ensuring compliance with industry standards.

Auxiliary Machine Composition

The auxiliary machines are designed to support the main production process, ensuring smooth operation and material handling:

• Single-Station Manual Uncoiler: Adapts to steel strip coils with an inner diameter of Ф762mm and outer diameter of Ф1800mm, featuring a belt width of 280mm and a weight of 5 tons.
• Shearing and Welding: Includes hydraulic cutting, pneumatic pressing platforms, and manual welding (excluding welding machines).
• Four-Roller Delivery Machine: Ensures continuous material supply to the forming and sizing machine with a feeding speed of 140m/min.
• Cage Looper: Stores raw materials for uninterrupted production, with adjustable frames to accommodate varying steel strip widths.

Main Machine Composition

The main machine is the core of the production line, featuring advanced components for precision and efficiency:

• Technical Parameters:
  • Raw materials: Q195-Q345, strip steel thickness 2.0–5.0mm coil
  • Welding pipe diameter: φ76–φ89mm
  • Welding pipe speed: 60–80 m/min
  • Motor DC: Z4-280-42, 250KW
  • Reducer: ZLY280-10
• Unit Arrangement: Includes passive seven-roller leveling, forming (7 flat and 8 vertical), sizing (6 flat and 6 vertical), and extrusion systems.
• Material Specifications:
  • Horizontal shaft: Ф100mm, vertical roller shaft: Ф60mm, material 40Cr
  • Extrusion roller shaft: Ф70mm, material 40Cr
  • Gearbox: ZG35# spiral bevel gear transmission, module m=12, material 20CrMnTi
• Computer Flying Saw Machine:
  • Sawing pipe diameter: Ф76–89mm
  • Fixed length: 4–8m
  • Maximum sawing times: 15 times/min
  • Saw blade size: Ф900mm
  • Drive motor: 55KW (AC), 22KW (DC)

Straightening Machine

The straightening machine is designed to eliminate stress and bending after welding:

• Function: Ensures straight and uniform steel pipes.
• Structure: Four-column frame with four upper rollers and two lower rollers (active roller).
• Technical Parameters:
  • Motor: 30kW
  • Straightening roller diameter: 220×400mm (upper), 200×240mm (lower)
  • Material: GCr15, HRC60–65
  • Straightening speed: 100m/min
  • Steel pipe diameter: φ60–φ89mm
  • Angle between straightening roller and pipe: 30°

Advantages of the Production Line

• High Efficiency: With a forming speed of 60–80m/min, the system ensures rapid production without compromising quality.
• Precision Engineering: Advanced components and control systems guarantee accurate pipe dimensions and consistent quality.
• Durability: High-grade materials like 40Cr and 20CrMnTi ensure long-term reliability and resistance to wear.
• Flexibility: Adaptable to various steel strip widths and pipe specifications, making it suitable for diverse industrial applications.
• Cost-Effective: Reduces material waste and labor costs through automated processes and efficient design.

Applications

This production line is ideal for industries requiring high-quality steel pipes, including:

• Construction: Structural supports, scaffolding, and piping systems.
• Oil and Gas: Pipelines for transporting fluids and gases.
• Automotive: Components for vehicle frames and exhaust systems.
• Manufacturing: Custom pipes for machinery and equipment.

Company Background

BZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a leading manufacturer of industrial machinery, specializing in high-frequency straight seam welded pipe production lines. With years of experience, the company is committed to delivering innovative solutions that meet global standards. Their expertise in steel pipe manufacturing ensures that their products are reliable, efficient, and tailored to meet the specific needs of clients worldwide.

Product Specifications Table

Conclusion

The welded pipe production line by BZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a robust solution for modern steel pipe manufacturing. Its advanced design, precision engineering, and versatility make it an essential asset for industries requiring high-quality pipes. For more information, visit the product page or explore the company website.

Product Images

References

NIST (National Institute of Standards and Technology) plays a critical role in advancing manufacturing standards. Their research and measurements ensure the precision and reliability of industrial technologies, including those used in steel pipe production. For more information, visit https://www.nist.gov/.