随着我国铁路运输的飞速发展,为适应大轴重、高运量的需要,包钢已试制成功60公斤/米重轨,并投入大批量试生产。但由于与其相配套的关键配件即60公斤/米重轨用的道叉轨断面尺寸较复杂,大而重,轧制难度较大,始终未能试成,致使钢轨的铺设受到很大的影响,包钢轨梁厂广大职工 With the rapid development of China’s railway transportation, Baosteel has successfully completed trial production of 60 kg / m heavy rail and put into trial production in large quantities in order to meet the needs of large axle load and high traffic volume. However, due to its matching key fittings that is 60 kg / m rail track with cross section railroad track size is more complex, large and heavy, rolling more difficult, has failed to test, resulting in rail laying is greatly affected , Baotou Rail Factory majority of workers