松弛的经纱会引起纱线的纠缠，纱线张力过大则会引起断头。经纱张力的波动还会影响到织物的结构。
The slackness might enable entanglements to form and the high tensions could lead to end breaks the variations in tension would also affect the fabric structure.
例如在发动机停机或者起动失败时出现的发动机倒转也会导致链条张力的波动。
For example when the engine outage or the defeated starting appears, it will cause the fluctuation of the chain tension.
借助于信号分析技术研究了纱线的张力波动规律。
By means of signal analysis technique, the variation law of the tension was studied.
经过实际缠绕证明，所推导的公式是正确合理的，保证了纱线张力的波动率小于5 %。
The actual winding results show that the formula drawn is proper and reasonable, and the fluctuation rate of the yarn tension is lower than 5%.
运用这种系统提高控制精度，减少张力波动，为保证带材产品质量，提供切实可行的最佳途径。
By this system, tension fluctuation during operation can be reduced and the quality of products improved.
然而，在内燃机的严酷环境中，各种各样的因素都能导致链条张力的波动。
However, in the severe environment of the internal combustion engine, various factors can cause the fluctuation of the chain tension.
在张力波动范围窄、张力数值较小的控制系统中，采用矢量闭环控制，通过对收放卷速度的补偿，能收到较好的效果。
In the system with little tension fluctuation and numeric, by compensating the reeling in and out rate, adopting vector close-loop control can get better effects.
结果表明，拉伸比、拉伸速度和拉伸温度对纤维张力、张力波动和不匀率均存在着明显的影响。
The test results showed that the influence of drawing ratio, speed and temperature on the tension, tension fluctuation and irregularity of the fiber were obvious.
增大拉伸比、拉伸速度和拉伸温度能有效地减小张力波动和不匀率。
The tension fluctuation and irregularity of fiber decreases with the increase of drawing ratio, speed and temperature.
分析结果表明，接触导线线质、张力和刚度以及列车运行速度、波动传播速度和抬升力是影响导线疲劳可靠性的主要因素。
Analyses results show that the materials, tension and rigidity of wires, speed of trains, wave speed, and lift forces are primary factors that affect fatigue life of contact wires.
在带钢连续退火过程中，带钢张力的波动是造成带钢产品质量下降及制约连续退火机组高速运行的重要原因。
In continuous annealing process, strip tension is an important factor that decides whether the continuous annealing line works steadily and promptly or not.
在高速络纱时，由于惯性作用，筒子的回转会导致纱线张力的波动。
At high winding speeds, due to inertia, the rotation of the spool may lead to tension variations in the yarn.
本文根据波动理论推导出在重力作用下波的传播速度表达式，分析了微小波动中表面张力的作用。
Based on the mechanics of wave, the expression of water wave propagation velocity under the action of gravity is deduced and the effect of surface tension on small wave is analyzed.
并对实测张力波动信号作了频谱分析，为设计张力传感器和微机张力信号采集系统提供了依据。
The spectrum of the tension fluctuation signals is also analysed, providing a basis for the design of tension testing sensors and tension signal collecting systems with microcomputers.
钢丝绳表面浪形和金属绳芯外逃是由于成型率过高、波动偏大，各股捻制张力不均匀和顺向捻制不到位。
The surface wave of wire rope and the metal core of rope to be free to other place is due to molding rate too high, bigger fluctuation, uneven strand tension forces and cl…
后梁系统作为喷气织机的重要组成部分，它是经纱张力的检测与调节机构，其动态特性反映了经纱张力的波动情况。
As one of the most important part of air-jet loom, back rest system is the detected and adjusted structure of warp tension, and its dynamic behavior reflects the fluctuation of warp tension.
以紧凑式轧机作为高速线材粗轧机组时，由于粗轧中各机架咬入和稳态轧制的张力不同，致使坯料出口头尾尺寸波动较大。
When taking compact mill as rough stands of high speed wire mill, the tensile force for biting and stable rolling are different, resulting in the dimension variation at end and middle part of product.
生产实践证明，中间张力采用模糊控制响应快、超调小，张力波动在5 %以内。
Practical results show that this system is characterized by its high speed response and low overshoot. Tension variation is less than 5?%.
合理的张力控制方法将减小张力的波动，使经纱承受的张力平稳，从而避免开车痕等。
The method of reasonable tension control will reduce the wave of the tension, so that the tension which warp bears stabilizes, so avoiding the probability of starting marks and so on.
合理的张力控制方法将减小张力的波动，使经纱承受的张力平稳，从而避免开车痕等。
The method of reasonable tension control will reduce the wave of the tension, so that the tension which warp bears stabilizes, so avoiding the probability of starting marks and so on.
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