It is introduced how to select reasonable compression ratio and use relativerolling process according to the quality of billet to improve quality of bar.
介绍了根据连铸坯的质量生产棒材选择合适压缩比，采用相应的轧制工艺，提高产品质量。
2
The characteristic, application and common material of rolling guide are summarized. At the same time the construction, work principle and decision of relative design parameter are introduced.
概述了滚动导轨的特点、应用和常用的材料，并介绍了其结构和工作原理及其设计的有关参数的确定。
3
On the base of comparing the relative deformation degree under the different rolling conditions, the influence of process parameters on the axial stretching of workpiece is obtained.