... lathe;2.suitable for Sphere,Hole,C metal surface finishingThe advantages of metal surface finishing machine:It can replace the ... the general purpose lathe;It suitable for Sphere,Hole,Cylindrical,Cross section,Curved surface,Carbon steel,Alloy steel,Aluminum alloy; ... hardness,wear resistance,fatigue strength and life.The process of metal surface finishing machine:Firstly to make the workpiece basic ...