Based on the result, we optimized piston structure, designed and manufactured new composite piston, and solved the problem of piston short fatigue life which endangered the railway transportation.
据此，优化了活塞结构，设计了新的组合活塞并付诸实施，解决了影响机车运营安全的活塞疲劳寿命低下的实际问题。
参考来源 - 重载机车柴油机活塞可靠性关键技术的研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
为研究组合活塞的变形和应力状态，进行变形设计提供了依据。
Provides a basis for studying the deformation and stresses distribution of composite piston and for the deformation design.
在内燃机中组合式活塞结构应用广泛，例如钢顶铝裙活塞、内外组合活塞等。
Composite pistons of various types are widely used in internal combustion engines, such as steel crown and aluminium skirt type, inner and outer pistons type, and so on.
本文给出一种组合活塞配合间隙(过盈)值的计算方法，可以替代以往单凭经验估算的传统方法。
This paper puts forward a method for calculating shrink fit to replace the traditional empirical method.
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