壁厚不均是注塑成型中最大的麻烦制造者。
Non-uniform wall thickness is the biggest trouble maker in plastic injection molding.
采用有限元法分析了壁厚不均缺陷对膨胀套管性能的影响。
The influence of wall thickness nonuniformity on the property of the expandable casing is analyzed by the finite element analysis.
空拔后钢管的弯曲度越大，均壁作用越小，甚至加剧壁厚不均。
The greater the tube-flexure after drawing is, the worse the wall-uniform effect and even the non-uniformity of wall thickness is aggravated.
实践证明，不圆度和壁厚不均度对套管抗挤强度的影响是相当可观的。
Practice shows that both ovality and eccentricity affect the casing collapse resistance obviously.
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.
介绍了管端减壁控制时发生壁厚不均的原因及其防止措施和管端减壁的控制效果。
The causes of the wall eccentricity and its countermeasures as well as the effects of the end thinning control are covered.
曼乃斯曼桶形轧辊设计简单，加工方便，但形成非线性的斜轧变形区，导致壁厚不均。
The Mannesmann barrel-shaped rolls can be designed arid processed easily, but it makes the non-linear deformation zone in skew-rolling and leads to the inhomogeneous wall thickness.
为了解决产品由于壁厚不均匀且带有嵌件而产生的注射成型缺陷问题，决定采用二次注射的方法。
In order to solve the problem that there were injection molding bugs on the products caused by the unevenness of the thickness, and the insert in the product, second injection mold was applied.
计算结果表明，套管所能承受最大分布力与其壁厚不均度、椭圆度、分布力的类型和方向等因素有关。
The results of calculation show that the maximum value of distributive force the casing can resist depends on eccentricity, ovality, and the mode of distributive force as well as its direction.
采用有限元法，计算和分析了壁厚不均与椭圆套管在单向均匀和单向椭圆分布外挤力作用下的强度问题。
With finite element method, the collapse strength of casing with ovality and eccentricity under unidirectional uniform and ellipse distributive force was calculated and analyzed.
提出了一种浮动凹模芯模闭式镦粗法，以解决厚壁管在单向加压的普通液压机上进行闭式镦粗后壁厚不均的问题。
Using closed die upsetting process to manufacture thick wall tubes on normal hydraulic press may cause the dis uniformity of the thickness along the length of the tube.
由于薄壁圆柱壳比厚壁圆柱壳的不均匀性更大，薄壁圆柱壳的轴向动力屈曲比厚壁复杂得多。
The dynamic buckling behavior of the thin-wall cylindrical shell is more complicated than that of the thick shell due to its more unevenness.
原发后结核表现为肺上叶尖段、后段的，不均质的含空洞的实变影，呈厚的、结节样、不规则的壁；
Postprimary tuberculosis appears as upper lobe apical/posterior segment heterogenous consolidation with cavitation, with thick, nodular, and irregular walls.
原发后结核表现为肺上叶尖段、后段的，不均质的含空洞的实变影，呈厚的、结节样、不规则的壁；
Postprimary tuberculosis appears as upper lobe apical/posterior segment heterogenous consolidation with cavitation, with thick, nodular, and irregular walls.
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