Air bearing and bearing matrix thereof and manufacturing method

Abstract

The invention relates to the field of sliding bearings, in particular to an air bearing and a bearing matrix thereof and a manufacturing method. The air bearing comprises a shell and the bearing matrix arranged in the shell, the bearing matrix is manufactured in the mode that three-dimensionally braided plate block materials are bent and deformed and then connected end-to-end, the butt-joint surfaces are fixed through welding, and multiple strength strengthening points which are arranged at intervals in the circumferential direction and used for strengthening the strength of the bearing matrixare arranged on the circumference of the bearing matrix through a local heat treatment method. A large quantity of pores exist among metal wires in the three-dimensionally braided structure, influences of cutting machining on the material porosity can be avoided through overall sequential braided molding and welding after limiting and deforming, and meanwhile influences on the stability of the bearing matrix of the air bearing is avoided.

Description

technical field [0001] The invention relates to the field of sliding bearings, in particular to an air bearing, a bearing matrix and a manufacturing method thereof. Background technique [0002] The three-dimensional braided structure is finally formed by interweaving the metal wires participating in the movement through position transformation in space through a specific weaving process. like figure 1 As shown, there are a large number of pores 8 between the metal wires 7 in the three-dimensional braided structure 6, which is conducive to the infiltration and storage of lubricating substances. At the same time, the three-dimensional braided structure 6 is produced by the regular periodic weaving motion of the metal wires 7, and the final material is The internal structure of the pores 8 is regular, which facilitates the establishment of a mathematical model and accurate theoretical calculation of various properties of the material. Moreover, the three-dimensional braided ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a bearing matrix of an air bearing to solve the problem that the existing bearing matrix is ​​a metal porous material and needs to be cut to cause blockage of the processed surface, which in turn leads to changes in porosity and air permeability; The purpose of the invention is also to provide an air bearing to solve the problem that the existing air bearing needs metal porous material to be cut and processed, which will affect the working stability of the bearing; the purpose of the invention is also to provide a Manufacturing method of bearing base body of air bearing with high degree of air bearing and air permeability

Images