当前我国小型轧机存在的主要问題 目前,我国现有的老轧机由于刚度低,轧材的尺寸精度一般只能达到普通级精度,与国外同类产品相比,存在着明显差距。 1.轧机刚度低,产品尺寸公差大产品的高精度具有重大的经济意义。对于普碳钢轧材,如轧机刚度高则可进行负偏差轧 At present, the main problems existing in China’s small rolling mill At present, due to the low rigidity of the existing rolling mill in China, the dimensional accuracy of rolled material generally can only reach the ordinary level accuracy, compared with similar foreign products, there is a clear gap. 1. Rolling mill low stiffness, large product size tolerances of high precision products of great economic significance. For carbon steel rolled, such as high mill rigidity can be negative deviation rolling