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A large number of second-hand real source, rapid integration of the entire used welded pipe production line. Installation and commissioning services can be provided at home and abroad to ensure the rapid production of qualified steel pipes. 

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How to correctly match used high frequency tube mills is important?
How to correctly match used high frequency tube mills is important? 查看详情
2023-05-29
During the whole welding process of the used high frequency tube mills, all the output power of the welder is transmitted to the electromagnetic coil during operation. The working ability of the electromagnetic coil is determined by the impedance (load) of the electromagnetic coil and the larger output voltage and larger output current of the transformer. The ratio of the two is in the middle of the matching decision.
The method of adjusting the r angle of the directly forming to square pipe mill when making pipes
The method of adjusting the r angle of the directly forming to square pipe mill when making pipes 查看详情
2023-05-26
When the square tube is manufactured by the directly forming to square pipe mill, the r-angle symmetry and the same size of the square tube are important conditions to measure the external beauty of the square tube, and it also affects the subsequent assembly requirements of the finished tube tooling.
How to place the impedance and calculate the length and outer diameter of the high frequency welded pipe equipment
How to place the impedance and calculate the length and outer diameter of the high frequency welded pipe equipment 查看详情
2023-05-23
The magnet bar is an open-circuit element in the welded pipe blank of the high frequency welded pipe equipment. When it is magnetized by the magnetic field of the induction coil, the magnetic field at both ends of the magnet bar will inevitably diverge, resulting in a decrease in the effective magnetic permeability. , and thus weaken the ability of the magnetic rod to increase the impedance of the inner loop.
Analysis of the rolling line of used welded pipe machine
Analysis of the rolling line of used welded pipe machine 查看详情
2023-05-20
The rolling line of the used welded pipe machine is all rolls on the welded pipe unit, including leveling rolls, forming flat rolls, guide rolls, squeeze rolls, deburring idlers, calendering rolls, sizing rolls, straightening rolls and other rolls. It is also the reference line for the installation and adjustment of related auxiliary equipment such as uncoilers, spiral loopers, flying saws, conveyor rollers, etc. It is the general term for the rolling bottom line and rolling center line, just like the human body. The spine plays a pivotal role in all process parameters of welded pipe production.
How to adjust directly forming to square pipe mill to improve square and rectangular pipes not square
How to adjust directly forming to square pipe mill to improve square and rectangular pipes not square 查看详情
2023-05-17
How to adjust the square tube irregularity of the directly forming to square pipe mill It is necessary to adjust whether the square tube square is qualified by combining the size adjustment and the tube surface adjustment.
How to adjust the convex surface of directly forming to square pipe mill when manufacturing square and rectangular pipes ?
How to adjust the convex surface of directly forming to square pipe mill when manufacturing square and rectangular pipes ? 查看详情
2023-05-14
When the directly forming to square pipe mill is used to manufacture the square pipe, the convex surface of the square pipe will cause the tolerance size, square tube shape, etc. to lose the angle measurement benchmark and size adjustment benchmark, and it is impossible to judge the true condition of the welded pipe.
Used square pipe mill to adjust the diagonal of square and rectangular tube
Used square pipe mill to adjust the diagonal of square and rectangular tube 查看详情
2023-05-11
The essence of adjusting the diagonals of the used square pipe mill is to adjust the square of the square tube. In theory, if the two diagonals of the square tube are equal, the square tube is square. But not necessarily for the rectangular tube in physical form.
Tension adjustment of sizing section of used high frequency welded pipe equipment
Tension adjustment of sizing section of used high frequency welded pipe equipment 查看详情
2023-05-08
The process characteristics of the used high frequency welded pipe equipment are: at the same time, the forming section, the welding section and the sizing section respectively perform continuous operations with completely different process connotations and process objectives for the same flexible welded pipe blank. In order to ensure the pipe blank In the forming section, welding section and sizing section, neither "pulling the tube" nor "pushing the tube" occurs. According to the rolling principle, it is necessary to ensure that the welded tube blank maintains proper tension in each section.
How to determine the main size of the guide ring of the used high frequency welded pipe machine
How to determine the main size of the guide ring of the used high frequency welded pipe machine 查看详情
2023-05-05
The thickness of the guide ring is the main factor that determines the size of the opening angle of the used high frequency welded pipe machine. The thickness of the guide ring of the commonly used unit is shown in the table below.

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