Metal-plastic composite material sliding bearing and manufacturing method thereof
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A composite material, metal-plastic technology, applied in the direction of additive manufacturing, shafts and bearings, bearing components, etc., to achieve the effect of large processing flexibility, guaranteed fixed connection, and good product consistency
Pending Publication Date: 2020-07-03
DALIAN SANHUAN COMPOSITE MATERIAL TECH DEV
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The feature of this technology is that the engineering plastic resin layer is very thin, generally less than 0.5mm; therefore, this technology is only suitable for bearing products with thin walls and engineering plastic resin layers requiring less than 0.5mm
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Embodiment 1
[0072] Such as Figure 1-4 As shown, the metal-plastic composite sliding bearing includes: a fan-shaped steel substrate, a stainless steel network connection layer, and a new heterocyclic high-performance modified engineering plastic resin layer.
[0073] The fan-shaped steel substrate is made of carbon steel or stainless steel, and its shape and size are completed by machining.
[0074] The material of the network connection layer is 316L, 17-4PH stainless steel, its thickness is 3mm, and the structure of the connection layer is as follows: figure 2 As shown, the porosity of the connection layer is 80%, and the diameter of the network connection wire is 0.5 mm. The network connection layer is formed on the connection surface of the fan-shaped steel substrate by metal 3D printing technology. The stainless steel powder particle size is 15-20 μm, the laser spot diameter is 90 μm, and the average thickness of the powder layer is 30 μm. After the connecting layer is formed, san...
Embodiment 2
[0085] Such as figure 1 , 2, 5, and 6, (on the basis of Example 1), the metal-plastic composite material thrust bearing includes: a fan-shaped steel substrate, a bronze alloy network connection layer, and a modified polyetheretherketone engineering plastic resin layer.
[0086] The material of the network connection layer is CuSn10 bronze alloy, its thickness is 5mm, and the structure of the connection layer is as follows: image 3 As shown, the porosity of the connecting layer is 60%, and the diameter of the network connecting wire is 1 mm. The connection layer is formed on the connection surface of the fan-shaped steel substrate by metal 3D printing technology, using bronze alloy powder with a particle size of 50-80 μm, a laser spot diameter of 100 μm, and an average thickness of the powder layer of 60 μm. After the connecting layer is formed, sandblasting is required to complete the manufacturing of the connecting layer.
[0087] The new heterocyclic high-performance mod...
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Abstract
The invention discloses a metal-plastic composite material sliding bearing and a manufacturing method thereof, and relates to the technical field of sliding bearing manufacturing, in particular to a sliding bearing made of a novel heterocyclic high-performance modified engineering plastic and modified polyether-ether-ketone metal-plastic composite material and a manufacturing method thereof. The metal-plastic composite material sliding bearing comprises a base body, a network connecting layer and a composite material resin layer, wherein the base body is made of a metal material, the network connection layer is fixed to the surface of the base body in a metal 3D printing mode, a composite material resin layer is fixedly connected with the base body through the network connecting layer, andthe manufacturing method comprises the following steps of A, early-stage preparation; B, preparing the network connection layer; C, composite preparation; and D, forming and processing. According tothe technical scheme, the problems that in the prior art, connection strength and reliability are not enough, and a composite material resin is only suitable for bearing working conditions with smallloads and low fatigue strength, meanwhile, the thickness of the engineering plastic resin layer is smaller than 0.5 mm, and the engineering plastic resin layer is only suitable for thin-wall bearingsand cannot meet the requirements of thick-wall bearings are solved.
Description
technical field [0001] The metal-plastic composite sliding bearing and the manufacturing method thereof of the present invention relate to the technical field of sliding bearing manufacture, in particular to a new-type heterocyclic high-performance modified engineering plastic and a modified polyetheretherketone metal-plastic composite material suitable for nuclear main A metal-plastic composite sliding bearing and a manufacturing method thereof for mechanical equipment such as pumps, hydroelectric generators, wind power, gearboxes, and ships. Background technique [0002] New heterocyclic high-performance modified engineering plastics and modified polyether ether ketone metal-plastic composite sliding bearings have the characteristics of high load capacity, high temperature resistance, radiation resistance, corrosion resistance, good friction reduction and wear resistance, and compliance; and It is suitable for high-speed, oil-lubricated and water-lubricated working conditi...
Claims
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