... ,such as Turbine,Mining machinery,Mechanical valve,Petroleum Machinery,Bearing mechanical, Mold,Paper machinery,Pharmaceutical Machinery centrifuge,Piston rod,Hydraulic ... boring machine,milling machine,planning machine,spherical lathe and CNC machine tools,ect, just only change the cutter ... superfinishing equipment,the roughness will reach less than Ra0.1 easily, just like ironing the clothes,a kind ...