Detailed introduction of welding pipe unit

Detailed introduction of welding pipe unit

07-08-2024

The welding pipe unit is a kind of equipment widely used in the steel, construction, pipeline and other industries. It 

is mainly used to produce welded steel pipes of various specifications. It usually includes pipe coiling machine, 

opening machine, welding pipe machine body and other parts, as well as supporting conveyor and other equipment.


The working principle of the welding pipe unit is mainly divided into three steps: forming, welding and cooling. First, 

after the flat steel is pre-treated, it is formed by the pipe forming machine. The steel plate is bent into a round tube 

by the guide roller and roller press. Then, the formed steel pipe enters the welding machine. The welding machine 

forms a local heating area at both ends of the steel pipe through high-frequency induction heating technology. The 

steel plate in the heating area melts and welds together to form a complete steel pipe. Finally, the steel pipe after 

welding enters the cooling machine. The cooling machine uses the water pipe and fan to quickly cool the welding 

point, so that the welding point solidifies and obtains good welding quality.


The specific structure and components of the welded pipe unit may vary depending on the model and manufacturer,

but usually include a loading rack, a pipe feeding device, a rear axle flexural transmission mechanism, a horizontal 

spiral looper, a resistance welded pipe machine, a positioning device, a pipe release mechanism, a grinding head, 

a base, a vertical roller seat, a horizontal bracket and other parts. These parts work together to complete the 

process of forming, welding and cooling of steel pipes.


The application field of the welded pipe unit is very wide. In addition to the steel, construction and pipeline 

industries, it is also widely used in oil, natural gas, water conservancy, manufacturing and other industries. The 

welded steel pipes it produces have excellent welding quality and performance and are widely used to transport 

various media such as liquids, gases and solids.


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