1) mechanical autofrettage
机械自紧
1.
Therefore,when a complex mechanical autofrettage technique of eliminating Bauschinger effect was studied,It may be used for reference in enhancing the strength of autofrettage cylinder.
由于Bauschinger效应的影响 ,自紧厚壁管反向屈服现象普遍存在 ,使得内壁残余应力减少 ,厚壁管承载能力下降 ,因此 ,通过复合机械自紧技术 ,可消除Bauschinger效应 ,提高自紧厚壁管的弹性强度。
2.
from mechanical analysis of element of lamina and reasonable assumption, ananalytical method is provided for studying calculation of the mandrel pushforce in mechanical autofrettage of exponential material thick-walled cylinders.
利用塑性力学中的能量法，以幂硬化材料模型为基层，从微元体的力学分析入手，结合合理的假设，分析计算了机械自紧冲头推力问题。
2) swage autofrettage
机械自紧
1.
Although the presence of axial acting force and axial stress is proved to exist in the swage autofrettage process,no theoretical analysis and calculation of the axial stress can be fou.
结合实验具体分析了机械自紧机理，并建立了理论计算公式，通过与实验数据比较，误差很小。
3) automatic mechanical latch
自动机械锁紧装置
5) mechanical tightening
机械上紧
6) clamping mechanism
卡紧机械
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