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Self-lubrication porous elastic oil-containing bearing material and preparation method thereof

A bearing material and self-lubricating technology, applied in the field of bearing materials, can solve the problems of damaged self-lubricating bearing lubrication function, reduced bearing service life, poor critical lubrication state, etc., to ensure overall lubricity, reduce wear, and high oil content. rate effect

Inactive Publication Date: 2018-08-21
NANCHANG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the operating conditions of the bearing, the material and structure of the bearing, and the lubricating medium of the bearing, the critical lubrication state of the self-lubricating bearing is poor during the time of use. In the high-speed operation of the bearing, the friction surface of the bearing The lubricating medium is easy to form a copolymer with the bearing surface, which affects the formation of the oil film, and then causes the lubrication function of the self-lubricating bearing to be damaged, reducing the service life of the bearing

Method used

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  • Self-lubrication porous elastic oil-containing bearing material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0021] A method for preparing a self-lubricating porous elastic oil-containing bearing material. The specific steps of the method are as follows: S1: After uniformly blending 20 parts of bronze powder, 10 parts of phosphorus alloy powder, 3 parts of chromium carbide powder and 2 parts of solid lubricant, place into the forming mold; S2: pressurize the mixture in the mold to form a porous medium inside, pour 1 part of propylene glycol fatty acid ester on the surface of the mixture, and make it penetrate into the pores inside the mixture, and apply the mixture inside the mold The pressure is 0.5MPa; S3: Put the raw material that is preliminarily formed under pressure into a vacuum furnace for sintering. The sintering temperature in the vacuum furnace is 700°C, the holding time is 10min, and the heating rate is 50°C / min; S4: Sintering is completed Finally, the bearing is processed into the required size to obtain the finished product.

Embodiment 2

[0023] A method for preparing a self-lubricating porous elastic oil-containing bearing material. The specific steps of the method are as follows: S1: After uniformly blending 40 parts of bronze powder, 20 parts of tin alloy powder, 5 parts of chromium carbide powder and 4 parts of solid lubricant, place into the forming mold; S2: pressurize the mixture in the mold to form a porous medium inside, pour 3 parts of sodium stearoyl lactylate on the surface of the mixture, and make it penetrate into the pores inside the mixture, and apply the mixture inside the mold The pressure is 1.5MPa; S3: Put the raw material that is pressurized and initially formed into a vacuum furnace for sintering. The sintering temperature in the vacuum furnace is 900°C, the holding time is 15min, and the heating rate is 50°C / min; S4: Sintering is completed Finally, the bearing is processed into the required size to obtain the finished product.

Embodiment 3

[0025] A method for preparing a self-lubricating porous elastic oil-containing bearing material. The specific steps of the method are as follows: S1: After uniformly blending 30 parts of bronze powder, 15 parts of copper alloy powder, 4 parts of chromium carbide powder and 3 parts of solid lubricant, place Into the forming mold; S2: pressurize the mixture in the mold to form a porous medium inside, pour 2 parts of fatty alcohol oxide ethylene ether on the surface of the mixture, and make it penetrate into the pores inside the mixture. The applied pressure is 1 MPa; S3: Put the raw material that is preliminarily formed under pressure into the vacuum furnace for sintering. The sintering temperature in the vacuum furnace is 800°C, the holding time is 13min, and the heating rate is 50°C / min; S4: The sintering is completed Finally, the bearing is processed into the required size to obtain the finished product.

[0026] Aiming at the wear resistance of the self-lubricating porous el...

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Abstract

The invention discloses a self-lubrication porous elastic oil-containing bearing material and a preparation method thereof in the technical field of bearing materials. The bearing material consists ofthe following raw materials in parts by weight: 20-40 parts of bronze powder, 10-20 parts of alloy powder, 3-5 parts of chromium carbide powder, 2-4 parts of solid lubricant and 1-3 parts of emulsifier. The self-lubrication porous elastic oil-containing bearing material has the advantages of simple preparation technology and controllable operation, and the added solid lubricant can form one layerof lubricating oil film on the surface in the high-speed running process of the bearing so as to lower the abrasion of the bearing. The self-lubrication porous elastic oil-containing bearing materialhas the advantages of good lubrication performance and high oil containing rate, and meanwhile, the integral lubricity of the bearing is effectively guaranteed by the addition of the solid lubrication media.

Description

Technical field [0001] The invention discloses a self-lubricating poroelastic oil-containing bearing material and a preparation method thereof, specifically in the technical field of bearing materials. Background technique [0002] Porous bearings are self-lubricating bearings. The characteristic is that oil seeps out of the holes during operation and lubricates the friction surface. Once the operation stops, the oil will be sucked into the holes, so use a small amount of The lubricating oil can be lubricated for a long time. In addition, it does not generate heat and stick, and is cheap. Therefore, it is currently widely used in audio, home appliances, and automotive electrical equipment. However, due to problems such as the operating conditions of the bearing, the material and structure of the bearing, and the lubricating medium of the bearing, the critical lubrication state of the self-lubricating bearing is poor during the use of the bearing. During the high-speed operat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00B22F5/10B22F3/11
CPCB22F3/11B22F5/106B22F2998/10B22F1/105B22F3/1007B22F3/02
Inventor 胡瑞许春霞刘佐民燕松山张一兵解芳谭德坤闫肖肖朱春生朱仁淼何雪龙陶珍叶剑勇江剑峰徐志康郑泽昌邱仁伟
Owner NANCHANG INST OF TECH
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