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Control the best efficiency of the operation and welding process of high frequency welded pipe equipment (3)
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【概要描述】In the high-frequency welding of high frequency welded pipe equipment, the welding power is generally above 100KW, and 80% of the power is consumed in the heating of the coil, the resistance, and the heating of the pressure roller and the tube blank.
Control the best efficiency of the operation and welding process of high frequency welded pipe equipment (3)
【概要描述】In the high-frequency welding of high frequency welded pipe equipment, the welding power is generally above 100KW, and 80% of the power is consumed in the heating of the coil, the resistance, and the heating of the pressure roller and the tube blank.
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- Release time：2022-11-27 11:30
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Detail
In the high-frequency welding of high frequency welded pipe equipment, the welding power is generally above 100KW, and 80% of the power is consumed in the heating of the coil, the resistance, and the heating of the pressure roller and the tube blank.
Therefore, the key to minimizing power loss is to set up reasonable coils, resistors and reasonable configuration of rolling mills. In most cases, after optimizing the welding process, power loss can be reduced by 50%, and welding quality can be improved, downtime can be reduced, and output can be increased.
How to control the best efficiency of the operating and welding process of high frequency welded pipe equipment can be divided into 8 types, and we will introduce 3 of them below: ⑥Setting of impedance device. ⑦Induction coil design.⑧Welding frequency.
⑥Setting of impedance.
The function of the resistor is to obtain a large current impedance in the tube, so that more current is concentrated in the V-shaped area. At the same time, the magnetic field is concentrated according to the current of the working coil, so that a large amount of current energy is concentrated in the V-shaped area of the tube.
An important parameter of the impedance device is magnetism. In use, a magnet with the highest possible magnetic flux density and oscillation, and the lowest possible electromagnetic loss should be selected. But sometimes these requirements are incompatible with each other, so the operator is required to master certain welding operation knowledge and electromagnetic circuit design knowledge.
The placement of the resistor is very important. If it is too concentrated below the confluence point, although it has higher efficiency, it is extremely easy to damage. Therefore, the resistor is generally placed in the tube so that there is a gap equivalent to the wall thickness of the tube from the inner surface of the tube. The impedance of most small units is installed at the bottom of the pipe. This placement is not only low in welding efficiency, but also easy to be dragged away when the pipe moves.
The magnetism of the resistor should extend from the center of the induction loop to the squeeze point. The minimum length of the resistor is the diameter of the squeeze roller plus the length of the induction loop. Figure 3 shows how the resistor is set up. Some operators use the front end of the resistor as the best position, and a large number of weld beads appear during welding. Although the life of the resistor is prolonged, the power consumption increases.
⑦Induction coil design.
It is safer to use low-voltage, high-current devices in solid-state welding. Since the power consumption of the working coil is the square of the current value, even if the coil has a small resistance, there will still be a large power consumption. Therefore, in order to reduce the resistance value, the induction coil is usually made by brazing an oxygen-free copper plate and a cooling tube.
⑧Welding frequency.
The high frequency used for welding steel pipes is between 80~800kHz. Although this frequency range has a small effect on the heating zone, it still has a direct effect on the heating quality.
The effect of impedance on the efficiency of the welding process is greater than the effect of frequency, but the loss of impedance increases with the increase of frequency, so it is more difficult to ensure the cooling of the impedance.
The high frequency is suitable for the production of small diameter pipes, and the low frequency is suitable for the production of large diameter pipes. The best way is to make the welding frequency adjustable.
The above is to control the best efficiency of the welding process of the high frequency welded pipe equipment (3). I hope it will be of some help to you. Our company has many brands and resources, and there is always one that suits you. You only need to inform us of your pipe-making needs, and our company will provide you with used welded pipe equipment that really suits your needs. Welcome new and old customers to consult and order.
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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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Time of issue : 2024-12-05
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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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1.Theoretical Training:
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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Time of issue : 2024-12-04
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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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Tel: +86-13392281699
Wechat: 13392281699
Email: zty@usedpipemill.com
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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