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Correct use of impedance device (magnetic rod) in welding of high frequency welded pipe equipment (2)
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【概要描述】Usually the use of used high frequency welded pipe equipment 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 cause the induced current to 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 impedance device (magnetic rod) in welding of high frequency welded pipe equipment (2)
【概要描述】Usually the use of used high frequency welded pipe equipment 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 cause the induced current to 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：2022-12-03 11:30
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Detail
Usually the use of used high frequency welded pipe equipment 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 cause the induced current to 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.
Below we combine some experience in the production process to summarize the installation of the impedors device (magnetic rod) and the related issues that should be paid attention to in the production:
d. Several issues that should be paid attention to in the production process.
1) When installing the impedors device (magnetic rod), the front end should not exceed the center line of the squeeze roller too far, generally controlled between 3~6mm.
2) Do not touch the edge of the tube when adjusting the impedors device (magnetic rod), otherwise it will be easily carried away by the tube, and of course the distance should not be too large.
3) In the process of winding the impedors device (magnetic rod), care should be taken not to wind too thick or too thin. It should be appropriately determined according to the diameter, wall thickness and inner diameter of the steel pipe produced, and water cooling should be ensured in the middle. Clearance, and there are measures to prevent breakage.
4) During the production process, check the position of the impedors device (magnetic rod) and whether it is taken away or broken, and often remove the wire or debris hanging on the impedors device (magnetic rod).
5) In the normal production process, short magnetic bars can be attached to each side of the inductor, which can improve the welding efficiency (there are two functions:
① To strengthen the proximity effect of the lower tube blank edge of the inductor, reduce its eddy current loss, increase the welding current, and then improve the welding efficiency;
② To concentrate the induced current on the upper half of the tube blank, which can reduce the loss of the tube back).
6) In the case of a short magnet bar, part of the short magnet bar can be placed in the tube behind the magnet bar during adjustment to make up for the insufficient length of the short magnet bar.
7) In the normal production adjustment, attention should be paid to the cooling of the impedors device (magnetic rod) to reduce the use temperature of the internal magnetic rod and prolong its service life. If the high temperature exceeds the Curie temperature point (170~340°C), the magnetic rod will lose its magnetism, and the remaining effective magnetic rod will carry more magnetic flux density, which will further deteriorate the impedors device (magnetic rod) and eventually lead to The entire impedors device (magnetic rod) stops working.
In short, the impedors device (magnetic rod) is one of the main components of high-frequency welding (whether it is contact welding or induction welding). Whether the installation position is correct or not plays a key role in increasing the welding speed and improving the welding quality.
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For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
1.Equipment introduction and Basic principles:
The composition of the equipment and the function description of each part.
The production principle of spiral welded pipe, including the basic process of forming, welding and shaping steel strip.
2.Safe operation rules and regulations:
Explain safe operation procedures in detail.
Emphasis on the use of personal protective equipment.
Safe operation procedures for equipment start-up, operation and shutdown.
3.Equipment Operation Training:
How to properly start and shut down the device.
Loading and centering adjustment method of steel belt.
Set and adjust welding current and voltage.
How to control production speed and quality control.
4.Common fault diagnosis and treatment:
Common fault identification and elimination methods.
Diagnosis and countermeasures of welding defects.
Routine maintenance and maintenance of equipment.
5.Quality Control:
How to ensure the stability and consistency of welding.
Methods to detect and test the quality of welded pipes, such as ultrasonic inspection, X-ray inspection, etc.
6. Hands-on Training:
Training and guidance in actual operation to ensure that trainees can operate the equipment independently.
Simulate problem handling and emergency response in a production environment.
7.Theoretical and practical evaluation:
Assess the theoretical knowledge and practical skills of the trainees to ensure that they meet the training requirements.
Training is usually conducted by experienced technicians and engineers and includes both detailed written information and field practice. After the training, there may be a corresponding certification or certificate issued as a sign that the operator is qualified.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
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For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
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Equipment knowledge: Understand the basic components of the slitting unit and its working principle.
Operation specifications: Familiar with the operation procedures, including starting, stopping, adjusting parameters, common problem handling, etc.
Safety training: Understand the safety risks in equipment operation and corresponding preventive measures, and be familiar with emergency handling methods in emergency situations.
2.Practical operation:
On-site operation demonstration: An experienced operator gives a demonstration on site to guide new employees to master basic operating skills.
Hands-on practice: Let new employees operate the equipment themselves, accumulate experience in actual operation, and solve the problems encountered.
3.Maintenance:
Daily inspection: Train employees to understand the contents and methods of daily inspection of equipment, including cleaning, lubrication, fastening and other work.
Troubleshooting: Teach employees how to identify common equipment failures, understand basic troubleshooting methods and when professional maintenance personnel are required to intervene.
4.Efficiency optimization:
Production Management: Explain how to rationally arrange production tasks to improve equipment utilization and production efficiency.
Data Analysis: Teach employees how to record and analyze production data to find and improve the weak links in production.
5.Assessment and continuous improvement:
Assessment: Evaluate the effectiveness of training through examinations or practical assessments to ensure that employees have the necessary knowledge and skills.
Continuous improvement: Regularly organize training review and skill upgrading courses, and constantly improve the training content according to the actual production and equipment update.
After the training, new employees can work under the supervision of an experienced operator until they are fully competent.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
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For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
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Check before starting: Check the lubrication state of the motor and transmission parts, whether the fasteners are loose, and whether the electrical line is normal.
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Constant tension: The tension control system is used to maintain a constant tension during the operation of the looping motor to avoid strip relaxation or pulling.
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Fault diagnosis: When there is a fault, professional detection equipment is used to diagnose the motor and determine the cause of the fault.
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For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
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For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
1.Basic construction: A typical roller type bedroom spiral hoop usually consists of two sets of rollers that form a spiral shaped channel for guiding and supporting the metal strip.
2.Operation principle: When the metal strip passes through the looper, the strip is guided and supported in the spiral path. Due to the spiral structure of the looper, the strip can be smoothly transmitted under the condition of uneven strip speed to ensure the normal progress of the subsequent process.
3.Commissioning and maintenance: Used equipment needs to be inspected and maintained in detail before use. Includes:
Cleaning: Remove oil, dust and so on from the surface.
Lubrication: Check and add lubricating oil to ensure the normal operation of each transmission component.
Calibration: Ensure that the neutralization pressure of the roller is set correctly.
Replacement parts: Check for wear and replace necessary parts.
4.Application process: In the process of use, it is necessary to pay attention to the operation specifications, monitor the operating status of the equipment, and adjust the equipment parameters in time to meet the strip specifications and process requirements. In addition, it is also necessary to pay attention to safe operation to prevent accidents.
Through the above methods, the used roller bedroom spiral looper can continue to play its function and provide support for metal processing production.
For more information, please pay attention to the website of Jinyujie Mechanical and Electrical Used Pipe Mill Supplier：www.usedpipemill.com
JinYuJie-Used Pipe Mills Supplier（Please click the link→) :second-hand pipe mill
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Company address:No. A99, East Lecong Avenue, Lecong Town, Foshan City, Guangdong Province
Wechat: 13392281699
Email: zty@usedpipemill.com
Company address:No. A99, East Lecong Avenue, Lecong Town, Foshan City, Guangdong Province
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