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Edit:Zongxiang Heavy Industry--Gerry Date:2018-05-30 15:07:17
The technology of furnace refining and vacuum degassing is adopted to ensure the inner quality of billet, control the residual elements and gas content of steel and ensure the purity of steel. The use of continuous casting generous billet, this is mainly to improve the billet low - fold structure. The steels can be heated by step furnace, which can effectively control the atmosphere in the furnace and prevent the steel from decarbonizing and uneven heating temperature in the heating process.High pressure water descaling technology is adopted. The defects caused by the oxidized iron sheet can be greatly reduced. The rolling precision of rail section is ensured by using universal method aperture design and on-line adjustment of rail geometry by computer. Long gauge rolling, long scale cooling, reverse prebending and long scale straightening are adopted to improve the material yield, reduce the bending degree before straightening, reduce the residual stress after straightening, and improve the fatigue life of track.
Using on-line quality inspection technology, through ultrasonic, eddy current and laser inspection of the rail, we can fully understand the internal, surface quality and geometric dimensions of the rail.High machining precision can be obtained by the end - end machining and drilling of track with carbide saw - drilling machine.
The above is the basic processing technology of the track, hoping to help more customers to have a deeper understanding of the track, and improve their demand for the track.
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