通过有限元模拟针对斜轧穿孔过程中毛管的变形特点，对其壁厚不均进行了计算。
Addressing deformation characteristics of the shell during rotary piercing operation, wall thickness unevenness is calculated by means of the FE simulation method.
金属波纹管的壁厚很薄，它是管道系统中的薄弱环节。
The wall thickness of metal corrugated pipe is very thin, that is the weakest link in the piping system.
分析了不同D/S值的厚、中、薄壁管在A SSEL轧管机上的螺旋变形特征和壁厚精度。
The characteristics of spiral deformation on ASSEL mill and wall thickness accuracy for thick, middle and thin tubes with various D/S value have been analyzed.
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