Composite sliding bearing and preparation method thereof
A sliding bearing and composite technology, applied in the direction of bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of weak combination, small load capacity, and non-machining, etc., and achieve the effect of firm combination without separation and large load capacity
Active Publication Date: 2012-05-09
HAIAN HENGYI SLIDING BEARING
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Problems solved by technology
[0002] Traditional composite bearings are generally produced by press-fitting, centrifugal casting, surfacing and other processes, which have defects such as not being able to be machined arbitrarily, not being firmly bonded and easily detached, and carrying a small load.
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[0016] Such as figure 1 As shown, the composite sliding bearing of the present invention includes an outer material layer 1 and an inner material layer 2. The surface of the inner material layer 2 has a plurality of peak-valley waves higher than the inner material layer 2. The surface of the outer material layer 1 There are multiple wave-shaped metallurgical bonding surfaces 3 closely interdependent with the peaks and valleys of the inner material layer 2 .
[0017] The preparation method of the composite sliding bearing of the present invention includes four process stages of pretreatment, explosive welding, annealing treatment and finishing forming,
[0018] Among them, the pretreatment process is: 1) According to the product requirements, determine the form and size of the inner material layer mold core and the outer material layer mold sleeve, and make the mold core and mold sleeve; 2) Grind and derust the joint surface of the inner material layer and the outer material la...
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The invention provides a composite sliding bearing and a preparation method thereof. The composite sliding bearing comprises an external material layer and an internal material layer. The surface of the internal material layer is provided with a plurality of peak-valley waves higher than the internal material layer. The surface of the external material layer is provided with a plurality of wave-like metallurgical bonding faces which are coupled and firmly combined with the peak-valley and valley-peak structures of the internal material layer. According to the composite sliding bearing provided by the invention, a plurality of wave-like peak-valley protrusions higher than the internal material layer are formed on the bonding faces of the external material layer and the internal material layer through explosive welding; the peak-valley and valley-peak structures on the bonding faces of the external material layer and the internal material layer are firmly combined, such that an integralmetallurgical bonding face with permeated materials is formed, and no sliding can occur between the external material layer and the internal material layer. The composite sliding bearing can be subject to processing of any form. The bearing capacity of the sliding bearing is high, the bonding is firm, and detachment is prevented. According to product mechanical property requirements, any two or more materials with different mechanical properties can be selected for welding.
Description
technical field [0001] The invention relates to a composite sliding bearing and a preparation method thereof, belonging to the technical field of mechanical manufacturing. Background technique [0002] Traditional composite bearings are generally produced by press-fitting, centrifugal casting, surfacing welding and other processes, which have defects such as not being able to be machined arbitrarily, not being firmly bonded and easily detached, and having a small load capacity. Contents of the invention [0003] The purpose of the present invention is to overcome the disadvantages of the prior art, and provide a composite sliding bearing and a preparation method thereof. [0004] The composite sliding bearing of the present invention comprises an outer material layer and an inner material layer, the surface of the inner material layer has a plurality of peak-valley waves higher than the inner material layer, and the surface of the outer material layer has a plurality of pe...
Claims
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IPC IPC(8): F16C33/08B23P15/00B23K20/08
Inventor 卢镔
Owner HAIAN HENGYI SLIDING BEARING