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Common problems in welding of high frequency welded pipe equipment (3) —— according to the shape reason and adjustment method of the wrong side
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- Release time：2022-09-04 11:30
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【概要描述】The high frequency welded pipe equipment is the core equipment of the entire HFW production line, and it is also the equipment with the highest technical requirements. If it is adjusted improperly, it will directly affect the quality of the welded pipe. This article takes five-roll extrusion welding as an example to introduce the used high frequency tube mills in detail. Common problems of high-frequency welding of machines (3)——According to the shape reason and adjustment method of the wrong edge.
Common problems in welding of high frequency welded pipe equipment (3) —— according to the shape reason and adjustment method of the wrong side
【概要描述】The high frequency welded pipe equipment is the core equipment of the entire HFW production line, and it is also the equipment with the highest technical requirements. If it is adjusted improperly, it will directly affect the quality of the welded pipe. This article takes five-roll extrusion welding as an example to introduce the used high frequency tube mills in detail. Common problems of high-frequency welding of machines (3)——According to the shape reason and adjustment method of the wrong edge.
- Sort：Information
- Auth:
- Source:
- Release time：2022-09-04 11:30
- Pvs：
Detail
The high frequency welded pipe equipment is the core equipment of the entire HFW production line, and it is also the equipment with the highest technical requirements. If it is adjusted improperly, it will directly affect the quality of the welded pipe. This article takes five-roll extrusion welding as an example to introduce the high frequency welded pipe equipment in detail. Common problems of high-frequency welding of machines (3)——According to the shape reason and adjustment method of the wrong edge.
The shape and adjustment of the wrong side
When the high frequency welded pipe equipment runs high-frequency welding, the wrong edge of the plate edge (also called lap welding) often occurs. In addition, the wrong edge of the plate edge is an important reason that affects the welding quality. If the adjustment is improper, the wrong edge will appear, which reduces the effective wall thickness of the welding seam, and it is easy to cause stress concentration here.
Fig. 9 shows the shape of normal docking.
Figure 10 shows the wrong edge caused by the different height of the board edge, which is a common welding wrong edge.
The reasons for the wrong edge in Figure 10 are:
(1) In most cases, the height of the two upper squeezing rollers is different. Therefore, it can be corrected by adjusting the height of one of the upper squeezing rollers.
(2) Sometimes it is caused by the different heights of the welding squeeze side rollers, which can be corrected by adding or subtracting metal gaskets at the bottom or side of the squeezing side roller frame.
Figure 11 shows the edge misalignment caused by the different angles of the welded plates. Such misalignment can easily cause the welding burrs to fall to one side. The metallographic test of high-frequency welding shows the bending of the fusion line or the asymmetrical angle of the left and right streamlines of the fusion line.
Reasons for such wrong edges:
(1) The roller position of the upper welding roller is asymmetrical along the rolling center of the welded pipe, which causes the two upper rollers to exert unequal force on the two plate edges. The upper roller frame can be adjusted horizontally to make the entire upper roller simultaneously Move to the left or right, and finally reach the center of the upper squeeze roller (Figure 12).
(2) The height of the two squeezing side rollers is different or the squeezing roller frame is inclined.
(3) Reasons for edge quality. The strip steel has defects such as sickle bends, wavy bends, etc., or the single side plate edge of the strip steel is worn out.
The above problems are the reasons for the shape and adjustment methods of the wrong side of the high frequency welded pipe equipment during high-frequency welding. I hope to give you effective help.
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The mold types and types of used precision high-frequency welded pipe units
Time of issue : 2024-11-30
1.Molding die: used to shape steel strip into pipe. This type of mold usually consists of multiple sets of rollers, and the forming process is completed by gradual pressure.
2.Welding die: Specially used for high-frequency welding process to ensure the quality and accuracy of the weld. These molds are often used to ensure that the joint parts of the pipe are precisely aligned and soldered securely.
3.Sizing die: used for further sizing and straightening of the pipe after welding to ensure the dimensional accuracy of the final product. These molds allow the pipe to achieve the desired diameter and roundness.
4.Shaping mold: used to shape the welded pipe that has been formed to ensure that it meets the specified size and shape requirements.
5.Straightening mold: used to straighten the welded pipe and correct the bending and deformation of the pipe to ensure its flatness in the production process.
6.Surface treatment mold: These molds are used to treat the surface of the pipe, such as deburring, polishing, etc., to ensure the smooth and smooth surface of the pipe.
7.Cutting mold: used to cut the produced welded pipe to the required length according to demand. The main function of these molds is to ensure that the cutting is straight and high precision.
Each mold plays an important role in the production process, ensuring the quality and production efficiency of the welded pipe. According to the specific use and needs, different types of molds can be combined to achieve the best production results.
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.Molding die: used to shape steel strip into pipe. This type of mold usually consists of multiple sets of rollers, and the forming process is completed by gradual pressure.
2.Welding die: Specially used for high-frequency welding process to ensure the quality and accuracy of the weld. These molds are often used to ensure that the joint parts of the pipe are precisely aligned and soldered securely.
3.Sizing die: used for further sizing and straightening of the pipe after welding to ensure the dimensional accuracy of the final product. These molds allow the pipe to achieve the desired diameter and roundness.
4.Shaping mold: used to shape the welded pipe that has been formed to ensure that it meets the specified size and shape requirements.
5.Straightening mold: used to straighten the welded pipe and correct the bending and deformation of the pipe to ensure its flatness in the production process.
6.Surface treatment mold: These molds are used to treat the surface of the pipe, such as deburring, polishing, etc., to ensure the smooth and smooth surface of the pipe.
7.Cutting mold: used to cut the produced welded pipe to the required length according to demand. The main function of these molds is to ensure that the cutting is straight and high precision.
Each mold plays an important role in the production process, ensuring the quality and production efficiency of the welded pipe. According to the specific use and needs, different types of molds can be combined to achieve the best production results.
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
Roll forming machine is an important manufacturing equipment
Time of issue : 2024-11-29
1.Initial development stage
In the early stages of roll forming technology, machining mainly relies on manual operation and simple mechanical devices. This kind of equipment has simple structure and is difficult to meet the production needs of complex profiles.
2.Mechanization improvement
With the advance of the Industrial Revolution, the degree of mechanization has gradually increased. Roller forming machines began to be equipped with electric motors and mechanical transmission systems, which increased production efficiency and output.
3.Automation and CNC technology
In the late 20th century, the development of computer technology led to the introduction of automation and numerical control technology (CNC). CNC roller forming machine can realize high-precision and high-efficiency automatic processing through programming, reducing labor costs and improving product quality.
4.Advanced control system
The new generation of roll forming machines introduces advanced control systems, including PLC (Programmable logic controller) and HMI (human machine interface), making operation easier and more intelligent. At the same time, the development of sensor technology also provides support for real-time monitoring and precise control.
5.High strength materials and new coatings
Modern roller forming machines use high-strength materials and advanced coating technology on roller wheels and other key components, which not only improves the durability and service life of the equipment, but also better ADAPTS to the processing needs of high-strength and high-hardness materials.
6.Modularity and flexibility
In recent years, modular design has become a significant trend in roll forming machines. This design allows the equipment to have greater flexibility, can quickly adjust and replace different modules according to production needs, to adapt to diverse, customized production requirements.
7.Intelligent manufacturing and Industrial Internet
With the advancement of Industry 4.0, intelligent manufacturing and industrial Internet technologies are gradually applied to roll forming machines. Through data acquisition, analysis and remote monitoring, intelligent equipment operation and production management are realized, improving the efficiency and reliability of the entire manufacturing process.
8.Environmental protection and energy saving technology
Environmental protection and energy saving technologies also play an important role in modern roll forming machines. Reduce energy consumption and environmental pollution through optimized design, use of energy-efficient motors and energy recovery devices, and achieve sustainable development.
In short, roll forming machine technology in the continuous innovation and development, through the use of new materials, new processes and intelligent technology, greatly improve the production capacity and product quality, to meet the manufacturing needs of different industries.
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.Initial development stage
In the early stages of roll forming technology, machining mainly relies on manual operation and simple mechanical devices. This kind of equipment has simple structure and is difficult to meet the production needs of complex profiles.
2.Mechanization improvement
With the advance of the Industrial Revolution, the degree of mechanization has gradually increased. Roller forming machines began to be equipped with electric motors and mechanical transmission systems, which increased production efficiency and output.
3.Automation and CNC technology
In the late 20th century, the development of computer technology led to the introduction of automation and numerical control technology (CNC). CNC roller forming machine can realize high-precision and high-efficiency automatic processing through programming, reducing labor costs and improving product quality.
4.Advanced control system
The new generation of roll forming machines introduces advanced control systems, including PLC (Programmable logic controller) and HMI (human machine interface), making operation easier and more intelligent. At the same time, the development of sensor technology also provides support for real-time monitoring and precise control.
5.High strength materials and new coatings
Modern roller forming machines use high-strength materials and advanced coating technology on roller wheels and other key components, which not only improves the durability and service life of the equipment, but also better ADAPTS to the processing needs of high-strength and high-hardness materials.
6.Modularity and flexibility
In recent years, modular design has become a significant trend in roll forming machines. This design allows the equipment to have greater flexibility, can quickly adjust and replace different modules according to production needs, to adapt to diverse, customized production requirements.
7.Intelligent manufacturing and Industrial Internet
With the advancement of Industry 4.0, intelligent manufacturing and industrial Internet technologies are gradually applied to roll forming machines. Through data acquisition, analysis and remote monitoring, intelligent equipment operation and production management are realized, improving the efficiency and reliability of the entire manufacturing process.
8.Environmental protection and energy saving technology
Environmental protection and energy saving technologies also play an important role in modern roll forming machines. Reduce energy consumption and environmental pollution through optimized design, use of energy-efficient motors and energy recovery devices, and achieve sustainable development.
In short, roll forming machine technology in the continuous innovation and development, through the use of new materials, new processes and intelligent technology, greatly improve the production capacity and product quality, to meet the manufacturing needs of different industries.
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
The cost of controlling a used pipe straightener
Time of issue : 2024-11-28
1.Equipment procurement cost: The purchase price of second-hand equipment is usually lower than that of new equipment, but factors such as the service life, brand, model and functional perfection of the equipment need to be considered.
2.Transportation and installation costs: The cost of transporting the equipment from the place of purchase to the place of use and installing it, including handling, installation and calibration costs.
3.Maintenance and repair costs: Since the used equipment has been used, more maintenance and repair may be required. Therefore, regular maintenance costs and expected repair costs should be considered.
4.Operating costs: includes electricity and other energy consumption, as well as operator salaries and training costs.
5.Spare parts and consumables cost: Used equipment may require more frequent replacement of spare parts and consumables, which will also increase costs.
6.Upgrade and retrofit costs: In order to meet production needs, it may be necessary to upgrade or retrofit used equipment, and these costs need to be taken into account.
7.Warranty and after-sales service cost: Used equipment may have no warranty or a short warranty period, so after-sales service costs need to be taken into account.
In order to effectively control the cost of the second-hand pipe straightener, it is recommended to carry out a comprehensive cost accounting and benefit analysis, select the second-hand equipment with good reputation and good technical conditions, and do a detailed maintenance plan to extend the service life of the equipment and ensure its stable operation.
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 procurement cost: The purchase price of second-hand equipment is usually lower than that of new equipment, but factors such as the service life, brand, model and functional perfection of the equipment need to be considered.
2.Transportation and installation costs: The cost of transporting the equipment from the place of purchase to the place of use and installing it, including handling, installation and calibration costs.
3.Maintenance and repair costs: Since the used equipment has been used, more maintenance and repair may be required. Therefore, regular maintenance costs and expected repair costs should be considered.
4.Operating costs: includes electricity and other energy consumption, as well as operator salaries and training costs.
5.Spare parts and consumables cost: Used equipment may require more frequent replacement of spare parts and consumables, which will also increase costs.
6.Upgrade and retrofit costs: In order to meet production needs, it may be necessary to upgrade or retrofit used equipment, and these costs need to be taken into account.
7.Warranty and after-sales service cost: Used equipment may have no warranty or a short warranty period, so after-sales service costs need to be taken into account.
In order to effectively control the cost of the second-hand pipe straightener, it is recommended to carry out a comprehensive cost accounting and benefit analysis, select the second-hand equipment with good reputation and good technical conditions, and do a detailed maintenance plan to extend the service life of the equipment and ensure its stable operation.
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
For the training of shear butt welders
Time of issue : 2024-11-27
Safety Training
1.Personal Protective Equipment (PPE): Know and wear the necessary personal protective equipment, such as goggles, gloves, protective clothing, etc.
2. Emergency stop button: Familiar with the position of the emergency stop button on the machine, and understand its use.
3.Hazard Identification: Identify hazards that may be encountered during shearing and welding, such as high temperatures, sharp edges and electrical risks.
1.Component identification: Understand the main components of the shear butt welder and their functions, such as control panels, tools, welding and so on.
2.Operation principle: Learn the basic operation principle of the machine, including the basic process of cutting and welding.
Procedure
1.Preparation:
Check the status of the equipment: ensure that the machine is in normal working condition and there are no faults or abnormalities.
Set parameters: Adjust cutting and welding parameters as needed, such as temperature, pressure and time.
2.Loading material:
Clamping workpiece: Load the material to be processed correctly onto the machine fixture and ensure that it is firmly fixed.
3.Cutting operatio:
Start the shear function: Start the shear function according to the machine operation instructions and ensure that the shear is stable.
4.Welding operation:
Start welding function: Select the welding mode and start the welding operation according to the requirements, and monitor the welding process to ensure quality.
1.Daily inspection: Regularly check the wear of all parts of the machine, timely replacement or repair.
2.Cleaning: Clean the machine regularly to keep the working environment clean.
3.Lubrication: lubricate and maintain the parts that need to be lubricated according to the requirements of the equipment manual.
Common Troubleshooting
1.Equipment Errors: Learn how to identify and handle common machine error codes or faults.
2.Welding defects: Understand the common welding problems, such as poor welding, welding tumors and their solutions.
Practical operation practice actual operation of shear butt welding machine, consolidate the training content. Ensure that each trainee can operate the equipment independently and safely and achieve the expected machining quality.
The questions arising in the training process will be answered, and finally the operational assessment will be carried out to evaluate whether the trained employees have reached the training objectives.
Precautions An experienced operator or trainer should guide the training process.
Training materials and equipment instructions should be easy to understand and detailed.
Through systematic training, employees can master the operation skills of the shear butt welding machine faster, improve production efficiency, and ensure product quality and work safety.
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
Safety Training
1.Personal Protective Equipment (PPE): Know and wear the necessary personal protective equipment, such as goggles, gloves, protective clothing, etc.
2. Emergency stop button: Familiar with the position of the emergency stop button on the machine, and understand its use.
3.Hazard Identification: Identify hazards that may be encountered during shearing and welding, such as high temperatures, sharp edges and electrical risks.
1.Component identification: Understand the main components of the shear butt welder and their functions, such as control panels, tools, welding and so on.
2.Operation principle: Learn the basic operation principle of the machine, including the basic process of cutting and welding.
Procedure
1.Preparation:
Check the status of the equipment: ensure that the machine is in normal working condition and there are no faults or abnormalities.
Set parameters: Adjust cutting and welding parameters as needed, such as temperature, pressure and time.
2.Loading material:
Clamping workpiece: Load the material to be processed correctly onto the machine fixture and ensure that it is firmly fixed.
3.Cutting operatio:
Start the shear function: Start the shear function according to the machine operation instructions and ensure that the shear is stable.
4.Welding operation:
Start welding function: Select the welding mode and start the welding operation according to the requirements, and monitor the welding process to ensure quality.
1.Daily inspection: Regularly check the wear of all parts of the machine, timely replacement or repair.
2.Cleaning: Clean the machine regularly to keep the working environment clean.
3.Lubrication: lubricate and maintain the parts that need to be lubricated according to the requirements of the equipment manual.
Common Troubleshooting
1.Equipment Errors: Learn how to identify and handle common machine error codes or faults.
2.Welding defects: Understand the common welding problems, such as poor welding, welding tumors and their solutions.
Practical operation practice actual operation of shear butt welding machine, consolidate the training content. Ensure that each trainee can operate the equipment independently and safely and achieve the expected machining quality.
The questions arising in the training process will be answered, and finally the operational assessment will be carried out to evaluate whether the trained employees have reached the training objectives.
Precautions An experienced operator or trainer should guide the training process.
Training materials and equipment instructions should be easy to understand and detailed.
Through systematic training, employees can master the operation skills of the shear butt welding machine faster, improve production efficiency, and ensure product quality and work safety.
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
Contact information
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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