Surface Roughness Measurement of Stainless Steel 304 Cut by LBM

Laser beam machining is a form of non-traditional machining that can machine almost any known materials. It is thermal, non-contact process, which does not induce any mechanical stresses in the work-piece. Laser beam machining (LBM) is one of the most widely used thermal energy based non-contact type advance machining process which can be applied for almost whole range of materials. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. It is suitable for geometrically complex profile cutting and making miniature holes in sheetmetal. The objective of the present study is to investigate the effect of the machining variables like cutting speed, laser cutting power during machining of AISI 304 stainless steel work piece. Based on experimental results, surface roughness is measured and analysed.