In this paper, the temperature reduction of cylinder head metal wall and the influence on engine performance are investigated by different thickness of PSZ coating on cylinder head combustion surface.

本文研究了气缸盖火力面喷涂不同厚度的PS Z层对气缸盖金属壁面温度降低的情况及对发动机性能的影响。

youdao

Structural reinforcement measures were proposed in order to reduce the stress level of the joint which can not be effectively reduced by increasing the thickness of the cylinder or tube wall.

当用增加筒体壁厚或者接管壁厚的方法不能有效地降低带长矩形接管受压圆筒体的应力强度时，提出了采用加强筋的方法，此措施可达到显著降低矩形接管部位应力水平的目的。

youdao

Based on the calculation of cylinder wall thickness and the crack detection inspection, This paper analyzes the cause of crack, and introduces the crack processing craft and the processing effect.

文章从核算缸壁厚度出发，结合探伤检查，分析了裂纹成因，介绍了裂纹处理工艺及处理效果。

youdao