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Main performance of springback during welding of used ERW pipe tube mills
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【概要描述】When the used ERW pipe tube mills is used to manufacture welded pipes. Rebound is generally not a very prominent issue. With the development of China's welded pipe industry, the application of various new materials in the welded pipe industry, the addition of various low-alloy and alloy steel welded pipes, stainless steel welded pipes and other metal elements, and the development and production of alloy welded pipes, they rebound during forming Has become a more prominent problem.
Main performance of springback during welding of used ERW pipe tube mills
【概要描述】When the used ERW pipe tube mills is used to manufacture welded pipes. Rebound is generally not a very prominent issue. With the development of China's welded pipe industry, the application of various new materials in the welded pipe industry, the addition of various low-alloy and alloy steel welded pipes, stainless steel welded pipes and other metal elements, and the development and production of alloy welded pipes, they rebound during forming Has become a more prominent problem.
- Sort：Information
- Auth:
- Source:
- Release time：2023-06-15 11:30
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Detail
When the used ERW pipe tube mills is used to manufacture welded pipes. Rebound is generally not a very prominent issue. With the development of China's welded pipe industry, the application of various new materials in the welded pipe industry, the addition of various low-alloy and alloy steel welded pipes, stainless steel welded pipes and other metal elements, and the development and production of alloy welded pipes, they rebound during forming Has become a more prominent problem.
The forming springback is mainly manifested as:
(1)Design the forming roll according to the general pass design method, due to springback. The actual final shape is not the required shape. In particular, the edge of the strip is insufficiently formed.
(2) When the alloy welded pipe is produced at a higher speed, the rebound will cause cracks in the weld that has not completely solidified when leaving the squeeze roll, and cracks will appear on the inner surface of the welded pipe.
(3) In order to increase the welding speed of alloy welded pipe, it is required that the two edges of the pipe blank must be in close contact. The large springback causes the tube blank to open at the front and back edges of the squeeze roll, making welding impossible.
The forming of the welded pipe manufactured by the used ERW pipe tube mills is a plastic deformation process, which includes a part of elastic deformation, and it is the elastic deformation that causes the springback. Metal materials are not ideal plastic deformation materials. The work hardening phenomenon of metal materials and the complex deformation conditions during welded pipe forming make it difficult to obtain accurate solutions for springback.
As far as iron and steel materials are concerned, their elastic modulus is not very sensitive to small changes in chemical composition and changes in structure. Their elastic modulus is not much different, so their resilience mainly depends on the yield strength. so. The same is low-carbon steel, cold-rolled strip steel is stronger than hot-rolled strip steel, and the rebound is greater; low-alloy steel and alloy steel have higher strength than low-carbon steel, so the rebound is also greater.
The above are the main manifestations of springback when the used ERW pipe tube mills is used to manufacture welded pipes, which causes the quality of welded pipes to be insufficient.
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Used pipe welding machines refer to welding equipment that has been previously used and is resold, typically for producing welded steel pipes. In used pipe welding machines, the roller conveyor motor is a critical component whose role runs through the entire production process, directly affecting the equipment's operational efficiency, processing accuracy, and product quality. Below is an analysis of the main functions and importance of roller conveyor motors in used pipe welding machines.
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The smooth operation of the roller conveyor motor helps reduce vibrations and deviations during material transportation, thereby improving processing accuracy. In used pipe welding machines, the performance of the roller conveyor motor may decline due to equipment aging, so regular inspection and maintenance are necessary to ensure its operational precision.
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7. Reducing Equipment Wear
The smooth operation of the roller conveyor motor can reduce wear on other components of the equipment. For instance, if the motor operates unstably, it may cause premature wear on rollers, bearings, and other parts, increasing maintenance costs. Thus, in used pipe welding machines, the condition of the roller conveyor motor directly impacts the equipment's service life.
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In modern pipe welding production lines, roller conveyor motors are often integrated with PLCs (Programmable Logic Controllers) and sensors to achieve automated control. In used pipe welding machines, if the roller conveyor motor supports automation functions, it can significantly improve production efficiency and product quality.
9. Safety
The stable operation of the roller conveyor motor is also closely related to production safety. If the motor fails, it may lead to material pile-ups, equipment jams, or even injuries. Therefore, in used pipe welding machines, the safety of the roller conveyor motor cannot be overlooked.
10. Maintenance and Care
In used pipe welding machines, the maintenance of the roller conveyor motor is particularly important. Since the equipment has been used for a certain period, the motor's performance may have declined. Regularly checking the motor's insulation, lubrication, and operating temperature can extend its service life and ensure stable equipment operation.
Conclusion
The roller conveyor motor plays a vital role in used pipe welding machines, with its functions covering material transportation, speed control, processing accuracy, energy efficiency, and more. For used equipment, the condition of the roller conveyor motor directly affects the overall performance and production efficiency of the equipment. Therefore,
Used pipe welding machines refer to welding equipment that has been previously used and is resold, typically for producing welded steel pipes. In used pipe welding machines, the roller conveyor motor is a critical component whose role runs through the entire production process, directly affecting the equipment's operational efficiency, processing accuracy, and product quality. Below is an analysis of the main functions and importance of roller conveyor motors in used pipe welding machines.
1. Transporting Pipe Materials
The primary function of the roller conveyor motor is to drive the rollers, transporting pipe materials from one process to the next. During pipe welding production, the pipe material needs to go through multiple stages, including uncoiling, forming, welding, cooling, sizing, and cutting. The roller conveyor motor ensures smooth and continuous movement of the pipe material by controlling the rotation of the rollers, preventing jams or deviations.
2. Ensuring Production Continuity
In used pipe welding machines, the stable operation of the roller conveyor motor is key to ensuring production continuity. If the motor fails, it may cause interruptions in material transportation, affecting the efficiency of the entire production line. Therefore, the reliability and durability of the roller conveyor motor are particularly important, especially in used equipment, where regular maintenance and care are essential.
3. Controlling Pipe Material Speed
The roller conveyor motor controls the speed of the rollers through a speed regulation device, thereby adjusting the transportation speed of the pipe material. During the welding process, the transportation speed of the pipe material must match the welding speed to ensure weld quality. The precise control capability of the roller conveyor motor directly affects welding results and production efficiency.
4. Improving Processing Accuracy
The smooth operation of the roller conveyor motor helps reduce vibrations and deviations during material transportation, thereby improving processing accuracy. In used pipe welding machines, the performance of the roller conveyor motor may decline due to equipment aging, so regular inspection and maintenance are necessary to ensure its operational precision.
5. Adapting to Multiple Specifications
Roller conveyor motors are typically equipped with speed regulation functions, allowing them to adapt to the production of pipes with different specifications. For example, when producing thin-walled and thick-walled pipes, the motor needs to adjust its speed to meet different processing requirements. This flexibility enables used pipe welding machines to fulfill diverse production needs.
6. Energy Saving and Efficiency
Modern roller conveyor motors are often designed for high efficiency and energy savings, reducing energy consumption and improving production efficiency. In used pipe welding machines, if the motor is aging or its performance declines, energy consumption may increase. Therefore, it is recommended to upgrade or replace the motor to enhance the overall energy efficiency of the equipment.
7. Reducing Equipment Wear
The smooth operation of the roller conveyor motor can reduce wear on other components of the equipment. For instance, if the motor operates unstably, it may cause premature wear on rollers, bearings, and other parts, increasing maintenance costs. Thus, in used pipe welding machines, the condition of the roller conveyor motor directly impacts the equipment's service life.
8. Automation Control
In modern pipe welding production lines, roller conveyor motors are often integrated with PLCs (Programmable Logic Controllers) and sensors to achieve automated control. In used pipe welding machines, if the roller conveyor motor supports automation functions, it can significantly improve production efficiency and product quality.
9. Safety
The stable operation of the roller conveyor motor is also closely related to production safety. If the motor fails, it may lead to material pile-ups, equipment jams, or even injuries. Therefore, in used pipe welding machines, the safety of the roller conveyor motor cannot be overlooked.
10. Maintenance and Care
In used pipe welding machines, the maintenance of the roller conveyor motor is particularly important. Since the equipment has been used for a certain period, the motor's performance may have declined. Regularly checking the motor's insulation, lubrication, and operating temperature can extend its service life and ensure stable equipment operation.
Conclusion
The roller conveyor motor plays a vital role in used pipe welding machines, with its functions covering material transportation, speed control, processing accuracy, energy efficiency, and more. For used equipment, the condition of the roller conveyor motor directly affects the overall performance and production efficiency of the equipment. Therefore,
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Wechat: 13392281699
Email: zty@usedpipemill.com
Company address:No. A99, East Lecong Avenue, Lecong Town, Foshan City, Guangdong Province
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