弯头的椭圆度不够使什么意思_百度知道
弯头的椭圆度不够使什么意思
我有更好的答案
就是不够圆
公差比较大
那错口比较严重，超过规范允许了，就不能使用了
你买的估计是 非标 的
现在很多都是非标的
但是有的非标产品还是可以用的
如果你们要用的不是很严格 可以试试用
毕竟非标的便宜么
要死严格的话最好不使用
要不造成的后果咱但不起
好的，谢谢！
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出门在外也不愁通过模拟，计算管子弯曲变形所需的弯矩，计算管子弯曲部分外壁减薄率和椭圆度。
The needed pipe bending moment, wall thickness reduction and ovality of section are known by simulating.
利用模型数值模拟分析了锥孔加工中的椭圆度误差造成的图像畸变；
Based on this model, a numerical simulation of image aberration caused by ellipticity error is realized.
经过轧制、焊接和热处理后，钢管存在轴线方向弯曲和横截面椭圆度的缺陷。
After rolling, welding and heat-treatment, the pipe may have some defaults, such as out-of- straightness and ovality .
以往对弯头的研究只考虑壁厚均匀不变的情况，但是实际上弯头的壁厚是沿着弯曲半径变化的，并且弯头的截面也具有一定的椭圆度。
In the previous works only the uniform wall-thickness elbows were studied. However, the elbow thickness is varied with the bending radius and ellipticity on the cross section.
大型储罐在施工中椭圆度、垂直度及局部凸凹度的偏差不可避免。
Deviations of ovality, perpendicularity and partial concave - convex on large-scaled storage tanks are inevitably in construction.
利用鱼刺图对影响热镀锌钢丝椭圆度的因素进行分析，找出主要因素，并采取相应的控制措施；
By means of fish bone figure to analyze the factors affecting ellipticity of hot galvanizing steel wire, main factors are found out, and corresponding control measures are taken.
在允许的制造偏差范围内，壁厚不均度和椭圆度对套管最大分布力值的影响不太严重。
The effect of eccentricity and ovality within allowable error on maximum value of distributive force is not too severe.
从四个大型水泥厂的检测使用表明，该测量仪操作方便可靠，且测量的椭圆度数据准确，利于指导窑设备的检修和调整。
According to its application in four big cement factories, this instrument handles well and offers precise ovality data, favorable to direct the kiln inspection and adjusting.
简述了用于管接头螺纹检验的中径和椭圆度量规的特点、工作原理及使用方法。
Briefed in the paper are the characteristics, work principles and operation procedures of the pitch diameter gauge and ovality gauge used to check coupling threads.
根据生产实践经验，建立了椭圆度方程，并提出了消除钢管内不规圆的措施。
With relevant empirical data, an ovality equation is set up, and actions to eliminate the said polygonal IDs are proposed.
结果表明，小于0.01的椭圆度偏差对成像重建带来的影响可以忽略。
A semi-quantitative result shows that the effect on imaging quality can be omitted when the ellipticity error is less than 0.01.
运用珠粒填料推弯成形工艺成形出的管材截面畸变程度很小，椭圆度不超过1.5%。
The cross-section distortion of bent tube is very small by using ball filler push bending process, with the ovality less than 1.5%.
本程序主要是为了测量圆形小工件物体的椭圆度。
This program is mainly to measure the small circular piece object ellipticity .
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.
弯管部位管材的椭圆度小于2％，内壁光滑无皱褶，外部壁厚均匀无开裂。
The bended part of a tube has the ovality less than 2%, smooth inside wall without folding and even outside wall thickness without crack.
生产实践表明，采用优化后的定径工艺参数，钢管的椭圆度减小，外径精度提高。
Relevant operation practice has proven that with the optimalized sizing process parameters, steel tubes sized by the said mill possess decreased ovality and higher O. D. accuracy.
结果表明，采用所提出的方法能很好地控制抱辊运动，得到椭圆度很小的环件，从而为有效控制难变形材料环件质量奠定了基础。
The results indicate that the guide rolls can be controlled and the rolled ring with a relative small ovality can be obtained using the proposed method.
常规石蜡切片，磷钨酸苏木精染色，图像分析仪测量心肌细胞的胞面积、核面积、核浆比和核椭圆度。
Routine paraffine sections were made for PTAH staining and data of cell area, nuclear area, ratio of nucleus to cytoplasm, nuclear ellipticity were measured by image computer analyzer.
提出了椭圆度概念下的扁挤压筒结构优化思想。
The structure optimization for the flat receptacle under the condition of ellipticity is proposed.
依据回归方程和模拟结果，得出了工艺参数对等内径空心轴椭圆度的影响规律，以及各因素对椭圆度的影响程度主次和工艺参数的最优组合。
According to the regressive equation being presented and the simulation results, the effect rules of process parameters on the ovality and optimal combination of process parameters were obtained.
利用该程序研究了椭圆波导FEM放大器的输出功率、效率、带宽等高频特性，并对不同椭圆度的椭圆波导FEM放大器的性能进行了计算、对比分析。
The characteristics of FEM amplifier with elliptical guide, such as the evolutin of power, efficiency and bandwidth, are analyzed. These results are useful to design FEM devices.
建立了计算轻微非共面腔输出光椭圆度的数学模型，分析了R。
A mathematic model for calculating the ellipticity of the output beams in slightly noncoplanar resonators is given. By analyzing the error in the patent registed by R.
检修后，罐体的水平度、椭圆度偏差明显减小，使原储罐能继续使用。
It was found that the deviation of levelness and ellipse was obviously minimized so that the storage tank could restore to offer service.
系列计算表明，外压圆筒体屈曲临界压力值会随筒体椭圆度的增加而明显降低。
Series analysis showed that the critical buckling pressure of cylinder under external pressure could be obviously decreased with the inc…
算法仿真实验研究了椭圆孤度、长短轴比率以及样本噪声对算法的影响，研究表明弧度越大、长短轴长度越接近、样本噪声越小，算法越稳定，参数估计越准确。
Experimental results show that the larger radian, the closer length of two axis and the lower noise of samples will make the algorithm is more accurate and stable.
红100度椭圆LED灯带有色扩散镜头和立场取舍。波长（典型值）624纳米。发光强度（典型值）450麦当劳。
Red 100 degrees elliptical LED lamp with tinted diffused lens and stand offs . Wavelength(typ. ) 624 nm. Luminous intensity(typ. ) 450 mcd.
得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
A regularity result of a class of second order divergence form elliptic equation was obtained .
模拟分析给出了椭圆光斑在线性度、灵敏度和动态范围等方面对探测性能带来的影响。
It is found by simulation analysis that the elliptic spot affects detector performance in linearity, sensitivity and dynamic range of the detector.
提出了一种新的以面积为标度的任意两椭圆骨料侵入的判别准则，有效地克服了椭圆形骨料几何模型生成中的效率瓶颈问题；
A criterion of conflict overlap of any two oval aggregate is proposed based on an area-index that can solve the bottle-neck problem in geometry modeling.
在这篇文章中，我们讨论了散度型拟线性弱椭圆型方程组正解的最大值原理。
The maximum principle of the weak positive solution for quasilinear weak elliptic system in divergence form is investigated in this paper.
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