首钢落料线常见质量缺陷分析及控制措施

Common quality defects analysis and control measures of Shougang blanking line

首钢落料线是由北京首钢股份有限公司投资建设,于2011年5月底建成投产,主要为汽车企业提供高水平的落料压力成型服务。生产线采用德国舒勒整体进口设备及自动化控制系统,压机采用伺服直驱技术,年加工能力为10万t。首钢落料生产线在生产中产品经常出现硌伤、划伤、油污、锈蚀、辊印、毛刺、波浪、弯曲、边缘损伤和尺寸超差等影响汽车企业冲压工序的质量缺陷。针对产品常见的质量缺陷进行分析,查找各种质量缺陷的成因,提出了相应控制措施,消除了各种质量缺陷,提高了产品成材率和市场竞争力。

The strip blanking line is invested and constructed by Beijing Shougang Co.,Ltd.The blanking line was completed and put into operation at the end of May 2011.The line was used to manufacture outer skin quality steel blanks and tailored blanks.The whole line equipment and the automation system were overall imported from Schuler Germany.The press used servo direct technology,and the annual production was one hundred thousand tons.Shougang blanking production line often had quality defects of hard injure,scratch,oil contamination,roll marks,burr and etc.In the production process,which influenced the automobile factory stamping process.The common quality defects of products were analyzed,the causes of various quality defects were looked,and the corresponding control measures were put forward,which eliminated all kinds of quality defects and improved the product yield and market competitiveness.