Based on the I-DEAS software, we carried through the finite element analyse and caculated the stress and strain of the cylinder block.After in-depth analyzing, we proposed design relevant rules.

• 借助于I-DEAS软件对箱体的应力和变形进行了数值计算，在深入分析的基大连铁道学院工学硕士学位论文础上，提出相应设计准则。