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论述预行程与凸轮转角之间的关系 ,分析柱塞预行程产生误差的根源 ,提出用容栅尺测量预行程 ,最后介绍了误差的校正方法 .
The relationship between pre-stroke and cam rotation angle is discussed. The origin of the error caused by plunger pre-stroke is analyzed. The pre-stroke measurement is proposed by using capacitance scale. Finally, the error correction method is introduced.