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一、前言在情密磨床的砂轮主轴轴承中,液体动压轴承得到了最广泛的应用。其中整体成形面多油楔动压轴承和弹性变形多油楔轴承可使主轴获得高的旋转精度,且轴心稳定性好。这些轴承的缺点是结构复杂,对制造技术和装配技术都有较高的要求。特别是磨床砂轮主轴在启动和停车过程中由于主轴回转速度低,不能保证和轴承之间建立液体摩
First, the preface In the grinder spindle grinder, the fluid dynamic pressure bearing has been the most widely used. One of the overall forming surface multi-wedge hydrodynamic bearings and elastic deformation of the oil wedge bearings can make the spindle to obtain high rotation accuracy, and the axis of stability. The disadvantage of these bearings is the complex structure, manufacturing technology and assembly technology have higher requirements. In particular, grinding wheel spindle in the process of starting and stopping as the spindle speed is low, can not guarantee the establishment of liquid and friction between the bearings