论文部分内容阅读
牙钻用高速支承一般有滚动轴承和空气轴承两种。空气轴承具有转速高、噪声低和寿命长等优点。本文介绍了牙钻用40～50万转/分空气轴承的结构及计算方法。
Drill with high-speed bearings are generally two kinds of rolling bearings and air bearings. Air bearings with high speed, low noise and long life and so on. This paper introduces the structure and calculation method of 40 ~ 500,000 rev / min air bearings for dental drills.