浮動ブシュ静圧気体ジャーナル軸受に関する研究 : 第1報, スロット絞りを用いた場合

抄録

In this paper, a new type of aerostatic floating-bush bearing is proposed to establish relatively high stiffness, low power consumption and excellent stability in the high-speed region. The proposed floating-bush bearing employs slot restrictor and is operated in a relatively small bearing clearance to obtain high stiffness. Furthermore, the floating bush is flexibly supported by an aerostatic bearing Which enables the floating bush to rotate with a rotor. This makes the power consumption of the proposed bearing low even in a high-speed region. Here, the stability of the proposed bearing is discussed theoretically and experimentally. Consequently, it is found that the proposed bearing shows an excellent stability and can have relatively high stiffness and low power consumption.