高速冲床可靠性加速试验研究

Research on reliability accelerated test for high speed punch

通过分析高速冲床的维修数据,找出影响其可靠性的主要故障模式,发现高速冲床的主要故障模式是油、气部件损坏、零部件损坏和油、气渗漏。通过故障可测性和失效机理加速性分析,选定冲压载荷和冲压速度作为可靠性加速试验的加速应力,并确定了高速冲床可靠性加速试验的试验内容和监控项目,以此为基础设计高速冲床的可靠性加速试验方案,最终为高速冲床的可靠性增长奠定基础。

The main fault mode,oil / gas parts damage,parts damage and oil / gas leakage,was analyzed. Through analyzing common failures signal measurability and accelerated character of failure mechanism,punch load and punch velocity were chosen as the accelerated stress,and the test and monitoring contents of the reliability accelerated test for high speed punch were given. And it＇s important for the design of the reliability accelerated test of the high speed punch. This paper lays a solid foundation for reliability growth of the high speed punch.