Gas lubricating method adopting axial non-uniform distribution and application

Abstract

The invention discloses a gas lubricating method adopting axial non-uniform distribution and application. Gas lubricating is adopted, and at least one of axial positions, hole diameters and the numberof gas throttle holes is distributed non-uniformly to strength bearing force and rigidity away from the force bearing end. Multiple sets of throttle holes are included, the axial positions of the throttle holes in the same set are the same, and by means of non-uniform distribution of the axial positions, deviation is achieved by being away from the force bearing end. By means of non-uniform distribution of the hole diameters, the hole diameters of the throttle holes of the sets away from the force bearing force are large. By means of non-uniform distribution of the number, the number of the throttle holes of the sets away from the force bearing force is large. Under the condition of not hanging the processing difficulty and gas supply pressure of gas lubricating, the bearing force and rigidity, especially, the steering resisting rigidity of a motion component, are improved by changing the structure, and gas lubricating is optimized.

Description

technical field [0001] The invention relates to a gas lubrication method and application using axial non-uniform arrangement, and belongs to the field of high-performance gas lubrication. Background technique [0002] Air bearings are based on the inherent properties of air (low viscosity and small temperature changes, radiation resistance, etc.) using air elasticity to produce a bearing. As an important bearing, in recent years, it has shown its unique advantages in the occasions of high speed, low friction, high temperature, low temperature and radiation. For example, in applications such as high-speed grinding heads, high-speed centrifugal separators, gyro instruments, compressors for cooling nuclear reactors, and computer memory devices, air bearings can solve some of the common difficulties in using rolling bearings or oil film bearings. [0003] However, during the use of air bearings, limited by the air supply pressure and the structural form and manufacturing proces...

AI Technical Summary

Problems solved by technology

The bearing wear caused by the failure of gas lubrication reduces the life of the bearing, and the vibration and precision drop caused by the offset and deflection of the moving parts during operation also greatly limit the scope of use and performance of gas lubrication.

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