【摘要】 对机械产品的多种零件均涉及孔的精加工。滚压加工能获得很低的表面粗糙度，并兼有强化表面的效果，提高了金属零件的使用性能，且滚压工具适应性广，使用维修简便，成本低。更多还原

【Abstract】 Many parts of machine product all involve finish machining of holes.It can be machined by rolling process with the very small surface roughness, it has effect of strengthening surface and improves operating function of metal parts. And the rolling tool has the characteristics of adaptability, operating simply and low cost.更多还原