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

The Welded Pipe Production Line by BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a state-of-the-art solution for producing electric welded steel pipes with precise specifications. This production line is designed to meet the demands of industries requiring high-quality line pipe steel and welded gas pipe, ensuring efficiency, durability, and compliance with modern manufacturing standards.

Product Overview

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is engineered to produce electric welded steel pipes with diameters ranging from 76mm to 89mm and wall thicknesses between 2.0mm and 5.0mm. This system is ideal for applications in construction, oil and gas, and industrial manufacturing, where precision and reliability are critical. The production line integrates advanced technologies to ensure high-speed operation, minimal material waste, and consistent product quality.

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Technical Specifications

The production line is equipped with a comprehensive set of technical parameters, ensuring versatility and performance. Key specifications include:

• 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

Auxiliary Machine Composition

The production line includes several auxiliary machines to support the welding and forming process:

1. Single-Station Manual Uncoiler

This uncoiler is designed for manual expansion and contraction, adapting to steel strip coils with an inner diameter of 762mm and an outer diameter of 1800mm. It features a belt width of 280mm and a weight capacity of 5 tons, ensuring stable material feeding.

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2. Shearing and Welding Unit

The shearing and welding system includes hydraulic cutting, pneumatic pressing platforms, and manual welding capabilities. This setup ensures precise edge preparation and secure welding of the steel strip, enhancing the structural integrity of the final product.

3. Four-Roller Delivery Machine

This machine maintains a continuous supply of raw materials to the forming and sizing unit. It features a gantry frame, upper and lower roller transmission, and a gear split axle box with guide vertical and horizontal pressing rollers. Technical parameters include a feeding roller diameter of 170mm, a drive motor of 18.5KW, and a feeding speed of 140m/min.

Main Machine Composition

The main machine is the core of the production line, responsible for forming, sizing, and finishing the steel pipes:

1. Technical Parameters

• Raw Materials: Q195–Q345 strip steel (2.0–5.0mm thickness)
• Welding Pipe Diameter: φ76–φ89mm
• Welding Pipe Speed: 60–80m/min
• Motor DC: Z4-280-42, 250KW
• Reducer: ZLY280-10

2. Unit Arrangement

The machine includes a passive seven-roller leveling system, feeding vertical rollers, forming units (7 flat and 8 vertical), sizing units (6 flat and 6 vertical), guiding, extrusion, scraping, and a cooling water tank. It also features a Turkish ear head with 8 rollers (4 single-sided).

3. Structural Components

• Horizontal Shaft: φ100mm, material 40Cr (quenched and tempered)
• Vertical Roller Shaft: φ60mm, material 40Cr (quenched and tempered)
• Extrusion Roller Shaft: φ70mm, material 40Cr (quenched and tempered)
• Gear Box: ZG35# spiral bevel gear transmission, module m=12, material 20CrMnTi

Computer Flying Saw Machine

The computer-controlled flying saw ensures precise cutting of steel pipes to the required length. Key features include:

• Sawing Pipe Diameter: φ76–89mm
• Steel Pipe Wall Thickness: 2–5mm
• Fixed Length: 4–8m
• Accuracy: ±3mm
• Saw Blade Size: φ900mm
• Sawing Motor (AC): 55KW
• Driving Motor (DC): 22KW

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Straightening Machine

The straightening machine eliminates residual stress and bending in the welded steel pipes. It features a four-column frame structure with four upper rollers and two lower rollers (active). Technical parameters include:

• Motor: 30KW
• Straightening Rollers: φ220×400mm (upper), φ200×240mm (lower)
• Material: GCr15, HRC60–65
• Straightening Speed: 100m/min
• Steel Pipe Diameter: φ60–φ89mm

Applications and Industry Relevance

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is widely used in industries such as:

• Construction: For structural support and scaffolding.
• Oil and Gas: For transporting fluids and gases.
• Industrial Manufacturing: For machinery and equipment components.

Its ability to produce high-quality steel pipe line with precise dimensions makes it a preferred choice for global manufacturers.

Company Background

BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a leading manufacturer of industrial machinery, specializing in high-frequency welded pipe production systems. With years of experience, the company focuses on innovation, quality, and customer satisfaction. Their products are designed to meet international standards, ensuring reliability and efficiency in various industrial applications.

Product Specifications Table

Parameter	Specification
Strip Steel Width	238–279mm
Strip Steel Thickness	2.0–5.0mm
Steel Pipe Diameter	φ76–φ89mm
Steel Pipe Length	4–8m
Forming Speed	60–80m/min
Uncoiler Capacity	Inner Diameter: 762mm, Outer Diameter: 1800mm
Feeding Roller Diameter	170mm
Drive Motor Power	18.5KW
Sawing Accuracy	±3mm
Straightening Speed	100m/min

Conclusion

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line by BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a robust and efficient solution for producing high-quality steel pipes. Its advanced technical specifications, user-friendly design, and versatility make it an ideal choice for industries requiring precision and reliability. By leveraging cutting-edge technology, this production line sets a benchmark for modern manufacturing standards.

References

1. National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov/. NIST plays a critical role in advancing technology through research and standards development, ensuring the accuracy and reliability of industrial processes.

2. BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD.. (n.d.). Retrieved from https://www.xhequipment.com. The company provides innovative solutions for the steel pipe production industry.