Thin Wall Metal Material Laser Cutting Process Optimization Based on Orthogonal Experiments
After laser cutting,the material substrates of thin wall metal components and the sup-port plates below were prone to adhesion,which seriously affected the cutting quality.Fiber laser cut-ting experiments were conducted on 304 stainless steel and GH605 high temperature alloy thin plates,and the formation mechanism of the adhesion in laser cutting of different materials was analyzed.The single factor experimental method was used to analyze the influences of laser cutting process parame-ters on the HAZ and burr accumulation.The processing results show that with the addition of a mi-cro-connection process,when the laser power is as 165 W,the cutting speed is as 5 m/min,and the auxiliary gas pressure is as 1.2 MPa,the cut edges are smooth and without deformation and residual adhesion.
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