Reason and solutions about trimming burr of automobile cover panel
XU Li-qiang;ZHANG Yue-qiang;LIU Wen-jie;Anhui Fuda Automobile Die & Mould Manufacturing Co.Ltd.;
The cause and solutions for trimming burr of automobile cover panel were described. Based on the theory of material forming, mechanics of materials and stamping process engineering, the trimming burr problem in actual production was summarized. A solution applied in the four aspects of process design, structure design, numerical machining and fitter assembly, which improved parts quality.