车辆轴承检修用气动背压式内外径偏差测微器工作特性曲线分析

The Working Specific Property Curves Analysis of Internal and External Diameter Deviation Instrumentation Using in Overhaul of Rolling Stock Bearing

论述了气动背压式内外径偏差测微器的测量间隙高度Ｓ与喷嘴前后压差之间的变化关系，以及理论曲线与试验曲线的差别，给出了理论曲线与试验曲线拟合的当量直径法．

Discusses the varying relation between the measure gap heights and the pressure difference in front of and behind the spray nozzle, as well as the difference between the theory curves and the experimental curve. Puts forward a equivalent diameter method to fit the theory curves with the exprimental curve.