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速度阀是减速顶的速度检测元件,也是可控加速顶的检速元件,因此,对速度阀的性能作定性分析,寻找改善其性能的途径,具有普遍的现实意义。 速度阀的性能主要体现在检速精度和关闭特性两个方面。
The speed valve is the speed detecting element of the decelerating top and the speed controlling element of the controllable accelerating top. Therefore, it is of universal and practical significance to qualitatively analyze the performance of the speed valve and find ways to improve its performance. Speed valve performance is mainly reflected in the speed and closing characteristics of two aspects.