用光弹方法对气缸盖进行结构机械应力分析

Photoelastic Stress Analysis of the Cylinder Head Structure

本文用光弹方法对增压柴油机气缸盖的损坏进行了结构机械应力分析，重点给出了气缸盖断裂部位各截面的应力分布图，分析了结构损坏的原因，提出了改进结构的建议，其分析结果与实际情况吻合，为解决气缸盖的断裂问题及结构改进提供了可靠依据．

This article uses three dimensional Photoelastic method deals damage ofsupercharge diesel engine cylinder head carried out structure stress analysis. Maingived cylinder head cracked position each profile stress distribution figure. Analy-sised structure damage reason. Offer suggest of improve configuration- Results ofanalysis after with case of hardware coincide. Offer reliable proof for solve problemof cylinder head cracked and configuration refinement.