Analysing why surplus frictional force and forword slide occur when rolling shows that surplus fyictionl force is an action force to keep workpiece moving forword instead of main causes.

• 通过对轧制时的剩余摩擦力和前滑产生原因的分析,说明剩余磨擦力是维持轧件向前运行的作用力,而不是产生前滑的实质。