通过对轮系扭振强度计算，科学及时地作出了更换主轴的决定，并适当加大了新主轴轴颈直径。
By means of calculating the shafting torsional strength, a decision of replacing the main shaft by new one, whose bearing diameter is increased, was made reasonably and duly.
它可以测量凸轮轴各轴颈的直径、圆度、锥度及跳动等参数。
It can measure several different parameters at the same time, such as diameter, roundness, taper and round-out etc.
对阀轴的扭矩、轴颈、气缸直径等主要部件进行设计计算。
Designs and computations were made for major components such as twisting moment of the valve axle, neck and air jar diameter.
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