... spherical lathe and CNC machine tools,ect, just only change the cutter; 6.Just one time,improve production efficiency greatly; 7. Components: ... surface without any abrasive to get desirable roughness,this process just like ironing clothes.Process:Firstly,make the workpiece pre- ... 1 easily, just like ironing the clothes,a kind of compressive stress created on the surface at the same time,the mico ...