Study on etching technology of low carbon steel

In this paper,metal chemical etching techniques were studied.Ferric chloride was selected as metal etchant.Through the initial screening test and orthogonal,the relative optimum etching conditions of low carbon steel were affirmed:the concentration of ferric chloride was 220 g/L,etching temperature 45 ℃,pH=1.0,workpiece speed 50 turns/min(relative flow rate of etching solution is 3.6 m/min).After chemical etching,the metal work piece has some characteristics: It has identical etching thickness,smooth etching surface,the same cut texture and high precision.