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Correct use of impedors device (magnetic rod) in the welding of used high frequency welded pipe equipments(1)
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【概要描述】Usually the use of used high frequency welded pipe equipments consumes a lot of impedors device (magnetic rod). At the same time, when high-frequency induction welding technology is used to produce welded pipes, it is necessary to place impedors device (magnetic rod) in the inner cavity of the welded pipe blank to change the induced current in the pipe blank. Distribution, as shown in Figure 1. Placing the impedors device (magnetic rod) in a suitable position can make the induced current concentrate on the fusion surface of the welded pipe, thereby improving the efficiency of induction welding; if the placement of the resistor is not appropriate, it will not only reduce the welding efficiency of the welded pipe, but also Cause product quality problems.
Correct use of impedors device (magnetic rod) in the welding of used high frequency welded pipe equipments(1)
【概要描述】Usually the use of used high frequency welded pipe equipments consumes a lot of impedors device (magnetic rod). At the same time, when high-frequency induction welding technology is used to produce welded pipes, it is necessary to place impedors device (magnetic rod) in the inner cavity of the welded pipe blank to change the induced current in the pipe blank. Distribution, as shown in Figure 1. Placing the impedors device (magnetic rod) in a suitable position can make the induced current concentrate on the fusion surface of the welded pipe, thereby improving the efficiency of induction welding; if the placement of the resistor is not appropriate, it will not only reduce the welding efficiency of the welded pipe, but also Cause product quality problems.
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- Release time：2022-11-30 11:30
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Detail
Usually the use of used high frequency welded pipe equipments consumes a lot of impedors device (magnetic rod). At the same time, when high-frequency induction welding technology is used to produce welded pipes, it is necessary to place impedors device (magnetic rod) in the inner cavity of the welded pipe blank to change the induced current in the pipe blank. Distribution, as shown in Figure 1. Placing the impedors device (magnetic rod) in a suitable position can make the induced current concentrate on the fusion surface of the welded pipe, thereby improving the efficiency of induction welding; if the placement of the resistor is not appropriate, it will not only reduce the welding efficiency of the welded pipe, but also Cause product quality problems.
Figure 1 Schematic diagram of impedors device (magnetic rod)
At present, there are few documents that comprehensively introduce the placement plan of the impedors device (magnetic rod). The existing literature only briefly explains the placement plan of the impedors device (magnetic rod) when explaining the production process of welded pipe. These schemes are derived from the production experience. They are not highly versatile, and the placement of the impedors device (magnetic rod) in the various schemes is inconsistent, and some placement schemes are even contradictory. The above deficiencies will cause problems for production technicians, and may lead to poor welding efficiency of the designed welded pipe.
Below we will combine some experience in the production process on the installation of the impedors device (magnetic rod) and related issues that should be paid attention to in the production:
a. The installation position of the impedors device (magnetic rod).
The installation position of the impedors device (magnetic rod) has an important influence on whether it can fully exert its function. Starting from the law of electromagnetic induction, the installation position of the impedors device (magnetic rod) should follow the following principles: one end of the impedors device (magnetic rod) should exceed the induction coil, and the section beyond the induction coil should be appropriately longer (about the length of a coil) . Specifically, if the impedors device (magnetic rod) is long enough, the midpoint of the coil can be taken as the center position of the impedors device (magnetic rod) so that one end of the impedors device (magnetic rod) exceeds the center line of the squeeze roller 3— 6mm, the other section is a longer distance beyond the induction coil. If the impedors device (magnetic rod) is not long enough, its center position should be moved to the heating zone to ensure that one end of the impedors device (magnetic rod) exceeds the center line of the squeeze roller, but also pay attention to make the other end must exceed Induction coil.
b. The installation of impedors device (magnetic rod).
The installation of the impedors device (magnetic rod) must first be firm to avoid vibration of the impedors device (magnetic rod) during the welding process. The installation position should make the axis of the impedors device (magnetic rod) consistent with the rolling center line, and make the impedors device (magnetic rod) as close as possible to the solder joint.
c. Water cooling problem.
Water cooling is an important issue in high-frequency longitudinal welded pipes. Its purpose is to keep all parts of the impedors device (magnetic rod) at a low and constant temperature during the high-frequency welding process, so that the impedors device (magnetic rod) has a higher magnetic permeability and remains unchanged. To achieve this goal, we must pay attention to two issues:
One is to have sufficient water flow, which requires sufficient water pressure and a suitably large cross-sectional area of water flow. The second is to have high heat dissipation efficiency. Even if the water flow is very high, if the heat dissipation efficiency of the impedors device (magnetic rod) is very low, the purpose of water cooling will still not be achieved. In order to improve the heat dissipation efficiency of the impedors device (magnetic rod), it is best to arrange the water passages of the impedors device (magnetic rod) evenly.
The above is the correct use of the impedors device (magnetic rod) in the welding of used high frequency welded pipe equipments. The installation of the impedors device (magnetic rod) and the related issues that should be paid attention to in the production are summarized. The next issue will introduce the impedors device (magnetic rod) Several issues that should be paid attention to in the production process.
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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.
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.
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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.
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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.
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,
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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