Shouldered oil-free lining
An oil-free bushing and shoulder-type technology, which is applied to engine components, mechanical equipment, valve devices, etc., can solve problems such as reduced work efficiency, wear of bushes and shafts, and increased production costs, saving time and reducing friction coefficient, the effect of prolonging the service life
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[0011] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0012] Such as figure 1 The shown shoulder type oil-free bushing has a bushing body 1, one end of the bushing body 1 is provided with a shaft shoulder 2, and a plurality of round holes 3 are arranged on the bushing body 1, and the surface of the bushing body 1 The protective layer 4 is sprayed, the bushing body 1 and the shaft shoulder 2 are integrally formed, and the number of round holes 3 is 12-24.
[0013] The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. Substantial equivalent changes or modifications shall fall within the protection scope of the present i
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