一、引言气体静压轴承主要是以气体为润滑剂。由于气体的粘度小,所以,尽管气体静压轴承具有摩擦小,能在高温或低温或存在放射性影响的环境中工作等许多优点,但轴承中的不稳定性不但会影响轴承的工作精度,而且常常会导致轴承的损坏。因此,有必要查明轴承的不稳定振动的原因,以便制定稳定化的措施。空气静压轴承中产生的自激不稳定现象按其机理来分类,可以分为自激振动,即气锤振 I. Introduction Gas hydrostatic bearings are mainly gas lubricants. Due to the low viscosity of the gas, although the hydrostatic bearing has many advantages such as low friction, working under high or low temperature or in the presence of radioactive effects, the instability in the bearing not only affects the working accuracy of the bearing, but also Often lead to bearing damage. Therefore, it is necessary to find out the causes of unstable vibration of bearings in order to develop a stabilizing measure. Static hydrostatic bearings generated self-oscillation instability according to the mechanism to classify, can be divided into self-excited vibration, that hammer vibration