A kind of bearing ball and its manufacturing method
A bearing ball and manufacturing method technology, applied in the field of machinery, can solve the problems of fatigue failure, shortened service life, serious ball friction, etc., and achieve the effects of prolonging service life, reducing heat generation, and increasing anti-fatigue strength
Active Publication Date: 2016-10-05
JIANGSU HENGHAO ELECTROMECHANICAL MFG
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Problems solved by technology
[0003] In order to reduce the coefficient of friction, people usually use the method to make the balls as smooth as possible. However, due to the smoothness of the balls, the lubricating oil cannot be well infiltrated on the surface of the balls, resulting in serious ball friction during the use of the bearing. , generate a lot of heat, easily lead to its fatigue failure and shorten its service life
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[0025] The present invention provides a bearing ball and its manufacturing method. In order to enable those skilled in the art to understand the solution of the present invention more clearly, and to make the above-mentioned purpose, characteristics and beneficial effects of the present invention more clear and understandable, the following combination attached Figure 1-3 The present invention will be further described in detail with specific embodiments.
[0026] A bearing ball, comprising a ball body 1, the outer surface of the ball body 1 is a double-layer structure; the outer surface of the ball body 1 is distributed with a first series of micro-holes 2 with a diameter of 3-20 μm, and the outer surface of the ball body 1 is also provided with The eccentric holes of the first series of microholes 2—the second series of microholes 3; the depth of the first series of microholes 2 is 0.1-5 μm; the second series of microholes 3 and the internal space of the double-layer struct...
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The invention discloses a bearing ball, which comprises a ball body, and the outside of the ball body has a double-layer structure; the outer surface of the ball body is distributed with a first series of micro-holes with a diameter of 3-20 μm, and the outer surface of the ball body is also provided with a second series of micro holes. The eccentric holes of a series of micro-holes—the second series of micro-holes; the depth of the first series of micro-holes is 0.1-5 μm; the second series of micro-holes and the inner space of the double-layer structure communicate with multiple first series of micro-holes. The first series of micro-holes can hold lubricating oil, and the communication channels between multiple first series of micro-holes-the inner space of the second series of micro-holes and the double-layer structure can also hold lubricating oil, so that the lubricating oil can be well Existing on the surface of the ball body, due to the presence of lubricating oil, the coefficient of friction is reduced and the generation of heat is reduced; it increases the fatigue resistance of the bearing balls and prolongs their service life. The invention also provides a preparation method of the bearing ball.
Description
technical field [0001] The invention relates to the technical field of machinery, in particular to a bearing ball and a manufacturing method thereof. Background technique [0002] Bearing balls are the components that fix and reduce the load friction coefficient in the process of mechanical transmission, and are the key components of bearings. [0003] In order to reduce the coefficient of friction, people usually use the method to make the balls as smooth as possible. However, due to the smoothness of the balls, the lubricating oil cannot be well infiltrated on the surface of the balls, resulting in serious ball friction during the use of the bearing. , generate a large amount of heat, easily lead to its fatigue failure and shorten its service life. Contents of the invention [0004] The purpose of the present invention is to provide a bearing ball and its manufacturing method, which can make the lubricating oil well exist on the surface of the bearing ball, because the ...
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IPC IPC(8): F16C33/32
Inventor戎海明
OwnerJIANGSU HENGHAO ELECTROMECHANICAL MFG