... replace the ginding machine 3.Very easy operate Surface concrete grinding machine GuoYun founded in 1990,it is HeNan provincial High-tech enterprise. ... be used in parallel lathe,vertical lathe,grinding machine,boring lathe,facing machine,spherical lathe Improve the metal surface roughness, ... workpiece basic processed use the lathe tool in general machine tool,and then,use tbe cutter of shankeping metal ...