By studying and analyzing the weight and force applied to the support plate spring of fourdrinier shake, the position where the largest stress was distributed was found, thereby, the most easily damaged zone was discovered.

• 通过对长网纸机摇振装置支撑板簧在受振部件的重力及摇振力的作用下的受力分析,寻找出板簧量大应力分布的位置,从而找到了板簧最易破坏的危险区。