A few days ago, China railway owned railway track technology services group limited (hereinafter "orbit group") in Shaoguan, Guangdong Province successfully organized national railway first fast grinding of the rail technology and polished. From China railway company, the railway Bureau, the country's 18 railway company, 13 companies 35 rail relevant works departments such as expert and head of a total of more than 70 people, participated in the rapid rail grinding technology, scene to observe rapid rail grinding processes. Through field observation, exchanges and other means, track groups on the national railroad system to promote preventive rail grinding new ideas and rapid rail grinding technology.

    China iron real track group by development of rail prevention sex fast polished technology has effective elimination rail rail surface scroll contact fatigue layer, and prevention rail disease development, and optimization rail surface straight degrees, and polished speed fast, features, one-day can polished 60-100 km is domestic existing polished way of 3-4 times, great to improve maintenance efficiency, save rail maintenance costs; while, efficient set dust design will polished in the produced of 95% above of debris for absorption, on special lots has unique advantage, Has become an important means of rail maintenance.

    At present, the technology has been in Germany, and Switzerland, and Denmark and the Netherlands and other countries and are widely used. Iron-rail group as the only company in China with rapid grinding technology of preventive service providers, already for the Beijing-Shanghai high-speed railway, hadagaotie, lanxingaotie, zhengxigaotie, jingguanggaotie provides high quality rapid rail grinding services accumulated Polish mileage is over 7000 km, effectively extending the rail service life, improved security, stability, and reliability of the high-speed trains.