钢顶铝裙活塞裙部裂损的预防措施和检测方法

Precautionary measures and detection approaches to the skirt fracture of steel head and aluminium skirt piston

阐述了钢顶铝裙活塞因材质、结构缺陷造成活塞破损的危害。对其破损原因进行了分析。探讨了用超声波技术对运用机车柴油机钢顶铝裙活塞裙部裂损进行提前预防的措施和方法。

The harm of piston damage resulting from the defect of material and constructure for steel head and aluminium skirt piston is described.The damage reasons are analysed.The precautionary measures to prevent skirt from fracturing,by means of ultrasonic flaw detection technology,are discussed.