1) non-circularity
不圆度
1.
The effects relating to variable structure types on the sound radiation were observed,the non-circularity of double cylindrical shell was also investigated on vibration and sound radiation from underwater stru.
同时研究了圆柱壳不圆度对结构振动和声辐射的影响,结果表明圆柱壳不圆度的存在,一定程度上加强了水下结构的振动,且壳体截面的不圆度越大,结构的辐射声功率越大。
2.
The results show that,with an increasing internal pressure,non-circularity of the tube decreases,and the tendency of thickness thinning on inner and out side of the tube increases,respectively.
失稳起皱和截面畸变是薄壁管弯曲成形过程中的主要缺陷,通过数值模拟和实验的方法,研究了液压支承下管材的弯曲变形行为,进行了从无内压到内压为18MPa的管材充液弯曲成形,分析了充液弯曲成形过程中的内压值对成形的影响,给出了成形后的不圆度和典型点壁厚减薄率的变化规律,结果显示,随着充液压力的增加,管材的截面不圆度逐渐减小,管材内侧壁厚增厚趋势减小,外侧壁厚减薄趋势增大。
2) out of roundness
不圆度
1.
Through designing for finishing pass and ana lysing for rolling shaped of round bar,puts forward reasonable determining metho d for out of roundness of round bar produced by national standard and the devel oping trend of round bar finishing pass design.
通过对圆钢成品孔型成熟设计和轧制成型的分析,提出了国标圆钢不圆度较合理的测定方法以及圆钢成品孔型设计的发展趋势。
2.
It makes an overall analysis of the tread damage(flaking)and the occurrence of the wheel out of roundness in terms of the wheel skidding load and the wheel material,and finally puts forward the measures to be taken to avoid or reduce the wheel damage.
从车轮打滑负荷和材料两方面对踏面损伤 (剥落 )和车轮不圆度的形成作了较全面分析 ,然后提出了避免或减少车轮损伤的措
3) out-of-roundness
不圆度
1.
Thevariation laws of the thickness irregularity andout-of-roundness of the tube while expanding are investigated.
模拟井眼中的钻井实体膨胀管膨胀时的力学环境 ,选用 35CrMo钢管 ,对实体膨胀管在 5种不同膨胀幅度下的管子壁厚不均度及不圆度的变化规律进行了试验研究。
2.
This paper specifically analyzes the philosophy of requirements of permissible out-of-roundness for shells, of shape tolerance for heads, and of alignment tolerance for sections at edges to be welded which are specified by ASME Boiler and Pressure Vessel Code.
本文对ASME锅炉及压力容器规范中壳体许用不圆度规定、封头形状误差规定、待焊对接截面对准误差规定等逐一进行分析。
4) un-roundness
不圆度
1.
The decrease of the un-roundness of an array′s element pattern with parasitic elements;
利用寄生振子降低振子阵中方向图的不圆度
5) Ovality
[英][əu'væliti] [美][o'vælɪtɪ]
不圆度
1.
Considering ovality and eccentricity separately,anti-collapse strength could be calculated.
将不圆度和壁厚不均度分开考虑,分别计算出其中一种缺陷因素影响下套管的抗挤强度。
6) eccentricity of sphere
球不圆度
补充资料:不圆度
不圆度
ovality
buyuandu不圆度(。vality)圆形金属材(包括棒、线、管等)横断面上最大与最小直径的差值,曾称作椭圆度。在产品标准上都规定有不圆度的允许偏差,一般约为直径正负偏差之和的。.5倍,圆管坯为直径公差的。.75一0.8倍,盘条直径则规定有绝对值0.24~0.6omm。钢管外径不圆度为直径偏差之和的。.5~1.0倍,钢丝不圆度则为直径偏差之和的0.5倍。 造成不圆的原因是:轧棍、锻追模具或冷拔模具的孔型不圆,塑性加工时孔型欠充满以及孔型错牙、导板和卫板安装不正或过松、轧件入孔型不正等。 (崔峰)
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参考词条