Product Overview
The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is a state-of-the-art solution for producing electric welded steel pipes with diameters ranging from φ76mm to φ89mm and wall thicknesses of 2.0–5.0mm. This system is engineered to meet the stringent demands of industries requiring high-quality, durable steel pipes, including construction, oil and gas, and infrastructure development. The production line integrates advanced machinery and precision engineering to ensure consistent quality, high throughput, and operational reliability.
Main Technical Parameters
The production line is optimized for efficiency and precision, with the following key technical specifications:
- 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 is supported by a series of auxiliary machines designed to enhance efficiency and precision:
- Single-Station Manual Uncoiler: Features a manual expansion and contraction mechanism, accommodating steel strip coils with an inner diameter of Ф762mm, outer diameter of Ф1800mm, and a belt width of 280mm. It can handle up to 5 tons of material.
- Shearing and Welding Unit: Includes hydraulic cutting, pneumatic pressing platforms, and manual welding (excluding welding machines) to ensure seamless steel strip processing.
- Four-Roller Delivery Machine: Equipped with a gantry frame, upper and lower roller transmission, and a gear split axle box. Technical parameters include feeding roller diameter Ф170mm, a 18.5KW motor, and a feeding speed of 140m/min.
- Cage Looper: Stores raw materials for continuous production, with an adjustable structure to accommodate varying steel strip widths.
Main Machine Composition
The core of the production line consists of advanced machinery designed for precision and durability:
- Technical Parameters:
- Raw materials: Q195–Q345, strip steel thickness 2.0–5.0mm coil
- Welding pipe diameter: φ76–φ89mm
- Welding pipe 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, cooling water tank, and a Turkish ear head (8 rollers, single-sided 4 rollers).
- Material Specifications:
- Horizontal shaft: Ф100mm, material 40Cr (quenched and tempered)
- Extrusion roller shaft: Ф70mm, material 40Cr (quenched and tempered)
- Gearbox: ZG35#, spiral bevel gear transmission, module m=12, material 20CrMnTi
- Computer Flying Saw Machine: Features a bed, gears, rack box, saw car, and speed measurement system. Capable of cutting pipes with a diameter of Ф76–89mm, wall thickness of 2–5mm, and a maximum sawing speed of 80m/min.
Straightening Machine
The straightening machine is designed to eliminate stress and bending after welding. Key features include:
- Structural Form: Four-column frame structure with four upper rollers and two lower rollers (active lower roller).
- Technical Parameters:
- Motor: 30kW
- Straightening Rollers: φ220×400mm (upper), φ200×240mm (lower), material GCr15 (HRC60–65)
- Straightening Speed: 100m/min
- Steel Pipe Diameter: φ60–φ89mm
- Steel Pipe Wall Thickness: 2.0–5.0mm
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 |
Motor Power (Main Machine) |
250KW |
Straightening Speed |
100m/min |
Computer Flying Saw Motor |
55KW (AC), 22KW (DC) |
Applications and Industries
The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is ideal for a wide range of applications, including:
- Construction: Used for structural steel pipes in buildings, bridges, and infrastructure projects.
- Oil and Gas: Produces high-strength pipes for transportation and storage systems.
- Automotive: Manufacturing components requiring durable, precision-engineered steel tubes.
- Industrial Machinery: Provides reliable piping solutions for manufacturing and processing equipment.
Company Background
Manufactured by BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD., a leading Chinese manufacturer of industrial machinery, this production line reflects decades of expertise in steel processing technology. The company specializes in designing and producing high-quality equipment for the steel and pipe manufacturing industries, with a focus on innovation, durability, and customer satisfaction.
Why Choose This Production Line?
Several factors make the φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line a superior choice:
- High Efficiency: With a forming speed of 60–80m/min, the system maximizes productivity while maintaining precision.
- Flexibility: Adaptable to various steel strip widths and thicknesses, ensuring versatility for different production needs.
- Durability: Constructed with high-grade materials (e.g., 40Cr, 20CrMnTi) and advanced engineering, ensuring long-term reliability.
- Compliance: Meets international standards for quality and safety, supported by rigorous testing and certification processes.
Industry Standards and Compliance
The production line aligns with NIST (National Institute of Standards and Technology) guidelines for industrial equipment, ensuring accuracy, consistency, and safety. NIST's role in establishing technical standards for manufacturing processes underscores the importance of precision engineering in industries such as steel production. By adhering to these standards, BzZhou Xinghua ensures its products meet global benchmarks for performance and reliability.
Reference: NIST (National Institute of Standards and Technology). Retrieved from https://www.nist.gov.