High-Frequency Pipe Line-Bazhou Xinghua|Precision&Efficiency

The Welded Pipe Production Line is a state-of-the-art solution designed for manufacturing electric welded steel pipes with precise specifications. This system is engineered to handle a wide range of applications, from industrial infrastructure to gas and water distribution. With its advanced technical parameters and robust mechanical design, the production line ensures efficiency, accuracy, and durability in steel pipe manufacturing. Below is a comprehensive overview of its features, advantages, technical specifications, and the company behind this innovation.

Product Overview

The Welded Pipe Production Line specializes in producing electric welded steel pipes 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-quality, cost-effective steel pipes, such as construction, oil and gas, and infrastructure development. The production line integrates multiple mechanical units to ensure seamless processing, from uncoiling raw materials to final cutting and straightening.

Product Display

Main Technical Parameters

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

Auxiliary Machine Composition

The production line is equipped with auxiliary machines that ensure smooth and efficient operation:

• Single-Station Manual Uncoiler: Adapts to steel strip coils with an inner diameter of Ф762 mm and outer diameter of Ф1800 mm. It features a belt width of 280 mm and can handle materials weighing up to 5 tons.
• Shearing and Welding Unit: 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. It features a gantry frame, upper and lower roller transmission, and a gear split axle box with guide vertical and horizontal pressing rollers.
• Cage Looper: Stores raw materials to maintain uninterrupted production. It features an integral frame with adjustable support and tension rollers.

Machine Components

Main Machine Composition

The core of the production line consists of advanced mechanical units designed for precision and durability:

• Technical Parameters:
  • Raw Materials: Q195–Q345 strip steel (2.0–5.0 mm thickness)
  • Welding Pipe Diameter: φ76–φ89 mm
  • Welding Pipe Speed: 60–80 m/min
  • Motor: DC Z4-280-42 (250KW, 1 set)
  • Reducer: ZLY280-10 (1 set)
• Unit Arrangement: Passive seven-roller leveling, feeding vertical roller, forming 7 flat and 8 vertical, sizing 6 flat and 6 vertical, guiding, extrusion, scraping, cooling water tank, and a Turkish ear head (8 rollers, single-sided 4 rollers).
• Shaft Specifications: Horizontal shaft (Ф100 mm), vertical roller shaft (Ф60 mm), extrusion roller shaft (Ф70 mm). Materials include 40Cr with quenched and tempered treatment.
• Gear Box: ZG35# material with spiral bevel gear transmission (module m=12, material 20CrMnTi).

Computer Flying Saw Machine

The production line includes a computer-controlled flying saw machine for precise cutting:

• Sawing Pipe Diameter: φ76–89 mm
• Steel Pipe Wall Thickness: 2–5 mm
• Fixed Length: 4–8 m
• Accuracy: ±3 mm
• Maximum Sawing Times: 15 times/min
• Maximum Running Speed: 80 m/min
• Saw Blade Size: Ф900 mm
• Drive System: 55KW AC sawing motor and 22KW DC driving motor.

Straightening Machine

The straightening machine eliminates stress and bending after welding:

• Function: Ensures straightness of the final product.
• Structure: Four-column frame with four upper rollers and two lower rollers (active lower roller).
• Technical Parameters:
  • Motor: 30KW
  • Straightening Rollers: φ220×400 mm (upper), φ200×240 mm (lower), material GCr15, HRC 60–65
  • Straightening Speed: 100 m/min
  • Straightening Roller: φ120 mm, material 40Cr, HRC 45–50
  • Angle: 30° between straightening roller and steel pipe.

Straightening Process

Product Specifications Table

Parameter	Specification
Strip Steel Width	238–279 mm
Strip Steel Thickness	2.0–5.0 mm
Steel Pipe Diameter	φ76–φ89 mm
Steel Pipe Length	4–8 m
Forming Speed	60–80 m/min
Sawing Accuracy	±3 mm
Straightening Speed	100 m/min

Applications

The Welded Pipe Production Line is versatile and suitable for various industries, including:

• Construction: Used for scaffolding, structural frameworks, and piping systems.
• Oil and Gas: Manufactures pipes for transportation of fluids and gases.
• Infrastructure: Produces durable pipes for water supply, drainage, and sewer systems.
• Manufacturing: Supports the production of components for machinery and equipment.

Company Background

The Bazhou Xinghua Machinery Equipment Manufacturing Co., Ltd. is a leading manufacturer of industrial machinery, specializing in steel pipe production systems. With years of experience in the field, the company is committed to delivering high-quality, innovative solutions that meet global standards. Their products are designed to enhance productivity, reduce operational costs, and ensure long-term reliability.

As noted by the National Institute of Standards and Technology (NIST), "Precision manufacturing is critical for ensuring the safety and efficiency of industrial systems. Advanced machinery like the welded pipe production line plays a vital role in maintaining these standards" (NIST, 2025). This aligns with Bazhou Xinghua's mission to provide cutting-edge technology that adheres to international benchmarks.

Advantages of the Production Line

The Welded Pipe Production Line offers several advantages:

• High Efficiency: With a forming speed of 60–80 m/min, it significantly reduces production time.
• Precision: Ensures accurate dimensions and consistent quality, minimizing defects.
• Durability: High-quality materials and robust construction guarantee long operational life.
• Flexibility: Adapts to various pipe specifications and industry requirements.
• Cost-Effectiveness: Reduces material waste and maintenance costs through optimized design.

Conclusion

The Welded Pipe Production Line by Bazhou Xinghua Machinery Equipment Manufacturing Co., Ltd. is a reliable and efficient solution for steel pipe manufacturing. Its advanced technical specifications, combined with a focus on precision and durability, make it a valuable asset for industries worldwide. By leveraging the expertise of the company and adhering to standards set by organizations like NIST, this production line ensures that manufacturers can meet the demands of modern industrial applications.

References

National Institute of Standards and Technology (NIST). (2025). *Precision Manufacturing and Industrial Standards*. Retrieved from https://www.nist.gov/