发动机飞轮壳开裂分析及改进  

Failure analysis and improvement of engine support

作　　者：吴雪峰 徐萍 

机构地区：[1]陕西重型汽车有限公司,陕西西安710200

出　　处：《汽车实用技术》2017年第18期185-186,共2页Automobile Applied Technology

摘　　要：通过对某大客户频发失效的飞轮壳进行理化分析,及与其他主机厂的上装约束对比,确定造成其开裂的主要原因为结构设计强度和上装约束不足。通过结构提升和上装改进,效果较好。From the flywheel cover of the main customers frequent failure by physical and chemical analysis, and compared with others fastening, the main causes were weak design strength and lack of special truck loading. Through the improvement of construction and constraints on the truck, the effect is very well.

关 键 词：飞轮壳 断裂 上装约束 

分 类 号：U467[机械工程—车辆工程]