0引言在流体动力系统中,动力是靠封闭回路中的有压力流体(液体或气体)来传递和控制的。密封圈组是用来保持运动构件中的有压力流体。目前,许多生产厂和用户采用各种各样的方法来测量密封组的叠层高度。但是,由于他们在测量时把密封圈所用的材料的特性同许多单独的密封圈的测量混在一起,常使测量结果不一致。而传统的测量工具(如游 0 Introduction In a fluid power system, power is transmitted and controlled by a pressurized fluid (liquid or gas) in a closed circuit. The seal ring group is used to hold the pressure fluid in the moving component. At present, many manufacturers and users use a variety of methods to measure the stack height of a seal set. However, measurement results are often inconsistent as they are mixed with many separate seal measurements as they measure the properties of the material used for the seal. The traditional measurement tools (such as travel