A METHOD FOR MARKING THE MECHANICAL DRAWING WITH THE SIGNS OF SURFACE ROUGHNEES WHEN DRAWING WITH AutoCAD

with Autolisp language supplied by AutoCAD,a program that can put signs was Compiled of surface roughness on the mechnical drawing.A Command program was addod to AtutoCAD.When drawing,user may use this command to mark signs of surface roughness on the parts drawings fastly and conveniently.