Ltd by breaking through traditional cold-bending forming change on OD 114 mm high frequency welded pipe units.
上海申花钢管有限公司在114高频焊管机组上突破传统冷弯变形方法，设计出强力焊管。
With the increase of ionic potential, the dehydrated temperature and the bending vibration frequency of interlayer water increase, and strength vibration frequency decreases.
随着层间阳离子离子势的增大，其层间水脱失温度增高，层间水的对称伸缩振动频率降低，弯曲振动频率提高。
The bending vibration characteristic of a nonlinear cracked rotor is then analyzed. The time frequency characteristics of a cracked rotor after entering double cycle bifurcation are introduced.
然后研究了非线性裂纹转子的弯曲振动特性，给出了进入倍周期分叉后裂纹转子的时域特性和频域特性。
This algorithm is based on high-order range model, which firstly corrects range walk in the process of range compression and then corrects range bending in two dimensional frequency domain.
该算法基于高阶距离模型，首先在距离压缩时校正距离走动，然后在两维频域校正距离弯曲。
The frequency of bending vibration has less effect on the fretting life of conductor.
弯曲振动频率对导线微动寿命影响不大。
An approximate method of calculating the fundamental frequency of bending vibrations of multi-cracked beams is proposed on the basis of a modification of the method for single-cracked structures.
将计算单裂纹结构基频的方法推广到求含多处裂纹梁弯曲振动的近似基频。
Therefore, the horizontal linkages system reduced the effect of the longitudinal cracks on the positively symmetrical transverse bending mode frequency.
横向联系体的存在减小了纵向裂缝对横向正对称弯曲模态频率的影响。
Based on theoretical analysis of stepped bending vibration boring bars, the frequency equation of a stepped bending vibration boring bar with circular and square sections is established.
通过对阶梯式弯曲振动镗刀杆的理论分析，推导出了圆形截面和矩形截面组合的阶梯弯曲振动镗刀杆的频率方程，并对阶梯弯曲振动镗刀杆进行了试验研究。
The deformation and fracture of mild steel under high frequency bending fatigue has been studied by optical microscope, scanning electron microscope and microhardness determination.
用光学、扫描电子显微镜及显微硬度计，研究了低碳钢在高频弯曲疲劳过程中的形变及断裂。
The resonators, oscillate at the same frequency in a combined elongating (or breathing) mode and bending mode.
这些谐振器按照组合的拉长(或呼吸)模式和弯折模式以相同的频率振荡。
Based on frequency probability constraints, the models of topology optimization for a bending thin plate and a plain stress thin plate are constructed.
研究了具有随机参数的连续体结构在频率概率约束下的动力特性拓扑优化问题。
Then the motion responses in a random seaway are predicted in time and frequency domain, and the bending moment of boat's girder is further deduced.
而后，分别采用时域方法和谱分析方法，预报快艇在不规则波中的运动响应，进而确定总纵弯矩。
A broadband underwater Tonpilz transducer was designed by using the coupling of transducer's longitudinal vibration mode and the bending vibration mode of front mass to widen its frequency band.
该换能器利用前盖板的弯曲振动与换能器的纵向振动耦合展宽频带。
The calculated lower-frequency bending vibration modes of the powerplant are consistent with experimental modal analysis results.
对该动力总成的主要低频弯曲振动模态的计算结果得到实验模态分析结果的验证。
It is hot-rolled or cold-rolled strip or sheet for the blank shape by the cold bending process after the high-frequency welding as a square cross-section made of steel shapes and sizes.
它是以热轧或冷轧带钢或卷板为坯料经冷弯曲加工成型后再经高频焊接制成的方形截面形状尺寸的型钢。
It is hot-rolled or cold-rolled strip or sheet for the blank shape by the cold bending process after the high-frequency welding as a square cross-section made of steel shapes and sizes.
它是以热轧或冷轧带钢或卷板为坯料经冷弯曲加工成型后再经高频焊接制成的方形截面形状尺寸的型钢。
应用推荐