wrap angle

The cavitation induced vibration and noise characteristics of model pump with different blade number, incidence angle and wrap angle under design condition are measured.

通过实验的方法首次研究了叶片数、叶片进口冲角和叶片包角对离心泵设计流量下空化诱导振动和噪声特性的影响。

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It is proposed that there is a quicker valve-opening speed during the lift of the valve with asymmetrical, N-times harmonic wave cam, and an enlarged wrap angle during the buffer, which can effectively increase the lifting range of tappet stem and approve charging;

非对称N次谐波凸轮的气门上升段的气门开启速度可取得较大，并将缓冲段包角增大，可以有效地提高上升段的挺柱升程丰满系数，改善充气性能；

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During tensioning stringing many factor can effect on the mechanical properties of conductor, such as stringing tension, diameter of pulley, wrap angle for conductor passing through the pulley and number passing through the pulley, conductor structural type and quality, etc..

张力放线中，影响导线机械性能的因素很多，有放线张力，滑轮直径，导线过滑轮时的包角，过滑轮次数，以及导线结构型式和质量等。

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But when the total wrap angle and fiber tension is bigger, fiber will be damaged severely.

过高的总包覆角和纤维张力容易使纤维磨损程度加剧。

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Calculation of the Wrap Angle of the Corrugated Paper around The Corrugating Roll

瓦楞原纸缠绕瓦楞辊顶端包角的计算

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Analysis of the process of change wheel tensioner swing angle indifferent locations with long and round wrap angle changes.

分析了换轮过程中张紧轮摆角在不同位置时带长及各轮包角的变化。

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During the drop, better have a lower speed of resitting and a smaller wrap angle, which can have a smooth resitting without fierce impact.

在气门下降段，将气门的落座速度和下降段缓冲包角取小些，使得气门落座平稳，无激烈的冲击现象。

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