分别采用六种载荷边界条件和三种位移边界条件对曲轴应力和变形进行了有限元分析；
The stress and deformation of crankshaft are calculated by finite element method with six load boundary conditions and three displacement boundary conditions.
曲轴的结构复杂，不同角度下的刚度不同，受力变形也不相同。
Due to the complex structure of crank shaft, its stiffness varies in different angles, which results in the varying forced deformation error.
在修理前和修理后都要检查曲轴的变形情况。
Check the deflection of the crankshaft both before and after repair.
二次开发了参数化曲轴滚压加工残余变形的有限元分析。
It has developed the parametric residual deforming FEA in crankshaft rolling process.
本文的研究对象，是一台由四气缸母型机变形后的三气缸发动机曲轴圆角设计。
In this paper, we will study a three-cylinder engine which is reformed from a four-cylinder prototype engine.
曲轴所受到的周期性的气体压力和惯性力导致曲轴磨损、产生弯曲和扭转变形。
The periodic gas and inertia forces taken by the crankshaft may cause it to suffer wear and bending and tensional strains.
利用ANSYS有限元分析软件分别建立曲轴连杆轴颈、主轴颈圆角滚压模型，进行变形分析计算。
The models of the connecting rods and principal axis neck are built, and the finite element analyses have been done to them by using ANSYS engineering software.
分析曲轴圆角滚压的强化机理，考虑加载过程中存在的塑性变形，提出变力滚压，并加以探讨分析。
The fatigue strength can greatly be improved by the method of the engine crankshaft fillet rolling, but the deformation may be produced at the same time.
分析曲轴圆角滚压的强化机理，考虑加载过程中存在的塑性变形，提出变力滚压，并加以探讨分析。
The fatigue strength can greatly be improved by the method of the engine crankshaft fillet rolling, but the deformation may be produced at the same time.
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