Assembling method for full-ceramic angular contact ball bearing

Abstract

The invention provides an assembling method for a full-ceramic angular contact ball bearing. The assembling method comprises the steps that two semi-truncated-cone-shaped grooves which are the same in size are symmetrically machined in positions, close to a ball track, of the outer side of an inner ring; a semi-truncated-cone-shaped groove is machined in a position, close to the ball track, of the inner side of an outer ring; the inner ring and the outer ring are horizontally placed with groove openings facing upwards, one ends of the inner ring and the outer ring are close to each other, a gap is reserved between the other ends of the inner ring and the outer ring, and rolling elements are placed into the gap as many as possible until no excessive rolling element can be placed into the gap continuously; the inner ring and the outer ring are moved to be concentric, so that it is guaranteed that the mounted rolling elements are clamped in the ball track; the inner ring and the outer ring are rotated, so that the positions of the semi-truncated-cone-shaped grooves are aligned to form a circular-truncated-cone-shaped groove, and the rolling elements are pressed into the ball track from the circular-truncated-cone-shaped groove; and the inner ring and the outer ring are continuously rotated until all the rolling elements are assembled. A retainer is pressed into a position between the inner ring and the outer ring. According to the assembling method provided by the invention, on the premise that a machined surface is not damaged, the full-ceramic angular contact ball bearing is assembled; and the full-ceramic angular contact ball bearing can be assembled without needing heating or compression.

Description

technical field [0001] The invention relates to the technical field of mechanical assembly, in particular to an assembly method of a full ceramic angular contact ball bearing. Background technique [0002] With the rapid development of modern science and technology, all walks of life have put forward higher requirements for the performance of product materials. Engineering ceramics are widely used in aerospace, military, machinery, electronics and other scientific and technological fields because of their good properties such as high hardness, high wear resistance, high temperature resistance, and low density. Among them, engineering ceramics as a new type of bearing material has become the mainstream of development. [0003] The speed requirements of modern machine tool spindles and other equipment are very high, and the working environment of some equipment is extremely harsh. When ordinary steel bearings rotate at high speeds, the centrifugal force of the steel balls is...

AI Technical Summary

Problems solved by technology

Engineering ceramic materials have high hardness and high strength. It is not advisable to press the rolling elements directly by external force. Moreover, ceramic materials are resistant to high temperature, not easy to deform, and it is difficult to realize thermal expansion and contraction.

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