What are the technologies of steel rail manufacturers?

Edit:Zongxiang Heavy Industry--Lucas Date:2020-05-13 17:51:26

The steel rail manufacturer said that since the production of rail requires professional technology and equipment to produce qualified products, which technologies are used in the processing and production of rail products by the rail manufacturer?

External refining and vacuum degassing technologies are adopted to ensure the internal quality of steel billet, control the content of residual elements and gases in steel and ensure the purity of steel.

Continuous casting bloom is adopted, which is mainly to improve the macrostructure of billet. steel rail China manufacturer

Using walking-beam heating furnace to heat billet can effectively control the atmosphere in the furnace and prevent decarburization and uneven heating temperature during billet heating.

High pressure water descaling technology is adopted.  The occurrence of defects caused by scale can be minimized.

Universal pass design and computer on-line adjustment of rail geometry are adopted to ensure the rolling accuracy of rail section.

Long-gauge rolling, long-gauge cooling, reverse pre-bending process and long-gauge straightening process are adopted to improve the yield, reduce the bending degree before straightening, reduce the residual stress after straightening, and improve the fatigue life of rail. steel rail China manufacturer

Using on-line quality inspection technology, through ultrasonic, eddy current and laser inspection of the rail, the internal, surface quality and geometric dimensions of the rail can be fully understood.

High machining accuracy can be obtained by using a saw and drill machine with hard alloy to machine and drill the end of the rail. steel rail China manufacturer

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