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Polyether-ether-ketone modified polytetrafluoroethylene composite material, bearing retainer and making method of bearing retainer

A technology of bearing cage and polytetrafluoroethylene, which is applied in the direction of bearing components, shafts and bearings, mechanical equipment, etc., can solve the problem of not meeting the requirements of long service life cage materials, low mechanical strength, wear resistance and poor bearing capacity, etc. problems, to achieve low friction coefficient, long service life and good temperature resistance

Active Publication Date: 2015-11-18
LUOYANG BEARING RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a polyether ether ketone modified polytetrafluoroethylene composite material, which solves the shortcomings of the existing modified polytetrafluoroethylene composite materials such as low mechanical strength, poor wear resistance and load-bearing capacity, which cannot meet long-term use. Lifetime Bearing Requirements for Cage Material

Method used

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  • Polyether-ether-ketone modified polytetrafluoroethylene composite material, bearing retainer and making method of bearing retainer
  • Polyether-ether-ketone modified polytetrafluoroethylene composite material, bearing retainer and making method of bearing retainer
  • Polyether-ether-ketone modified polytetrafluoroethylene composite material, bearing retainer and making method of bearing retainer

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Embodiment 1

[0043] The polyether ether ketone modified polytetrafluoroethylene composite material in this embodiment is composed of the following components in mass percentage: 20% polyetheretherketone, 8% tungsten disulfide, and the rest is polytetrafluoroethylene.

[0044] The bearing cage of this embodiment is composed of the following components in mass percentage: 20% of polyether ether ketone, 8% of tungsten disulfide, and the rest is polytetrafluoroethylene. That is, the bearing cage of this embodiment adopts the above-mentioned polyether ether ketone modified polytetrafluoroethylene composite material.

[0045] The preparation method of the bearing cage of the present embodiment comprises the following steps:

[0046] 1) Put the polyether ether ketone powder and tungsten disulfide powder in a vacuum drying oven for vacuum drying. During the drying process, the raw materials are spread in the vacuum drying oven, and the thickness of the laying does not exceed 25mm; the vacuum degre...

Embodiment 2

[0055] The polyether ether ketone modified polytetrafluoroethylene composite material in this embodiment is composed of the following components in mass percentage: polyetheretherketone 18%, tungsten disulfide 5%, and the rest is polytetrafluoroethylene.

[0056] The bearing cage of this embodiment is composed of the following components in mass percentage: 18% of polyether ether ketone, 5% of tungsten disulfide, and the rest is polytetrafluoroethylene. That is, the bearing cage of this embodiment adopts the above-mentioned polyether ether ketone modified polytetrafluoroethylene composite material.

[0057] The preparation method of the bearing cage of the present embodiment comprises the following steps:

[0058] 1) Put polyether ether ketone powder and tungsten disulfide powder in a vacuum drying oven for vacuum drying. During the drying process, the raw materials are tiled in the vacuum drying oven, and the tile thickness does not exceed 25mm; the vacuum degree of vacuum dr...

Embodiment 3

[0066] The polyether ether ketone modified polytetrafluoroethylene composite material in this embodiment is composed of the following components in mass percentage: 20% polyetheretherketone, 5% tungsten disulfide, and the rest is polytetrafluoroethylene.

[0067] The bearing cage of this embodiment is composed of the following components in mass percentage: 20% of polyether ether ketone, 5% of tungsten disulfide, and the rest is polytetrafluoroethylene. That is, the bearing cage of this embodiment adopts the above-mentioned polyether ether ketone modified polytetrafluoroethylene composite material.

[0068] The preparation method of the bearing cage of the present embodiment comprises the following steps:

[0069] 1) Put the polyether ether ketone powder and tungsten disulfide powder in a vacuum drying oven for vacuum drying. During the drying process, the raw materials are spread in the vacuum drying oven, and the thickness of the laying does not exceed 25mm; the vacuum degre...

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Abstract

The invention discloses a polyether-ether-ketone modified polytetrafluoroethylene composite material, a bearing retainer and a making method of the bearing retainer. The composite material comprises, by mass, 18-25% of polyether ether ketone, 5-8% of tungsten disulfide, and the balance of polytetrafluoroethylene. The composite material comprises polytetrafluoroethylene, polyether-ether-ketone and tungsten disulfide. Polyether-ether-ketone has good temperature resistance, hydrolysis resistance, compression strength and corrosion resistance, has a low friction coefficient and has wear fastness, tungsten disulfide has high compression strength and high oxidation resistance, and very low friction coefficient, and polyether-ether-ketone and tungsten disulfide are used to modify polytetrafluoroethylene as fillers, so the obtained composite material reserves the lubrication performance of polytetrafluoroethylene, improves the dimension stability, the compression strength and the wear resistance of polytetrafluoroethylene, and has a greatly higher thermal deformation temperature than a pure polytetrafluoroethylene material, thereby requirements of the material of the retainer by long life bearings are met.

Description

technical field [0001] The invention belongs to the technical field of non-metallic material cages, and specifically relates to a polyether ether ketone modified polytetrafluoroethylene composite material, and also relates to a bearing cage using the composite material and a preparation method thereof. Background technique [0002] Bearing is an important transmission part in mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement and ensure its rotation accuracy. According to the different friction properties of moving elements, bearings can be divided into two categories: rolling bearings and sliding bearings. Rolling bearings are generally composed of four parts: outer ring, inner ring, rolling body and cage. Cage (also known as bearing cage) refers to a bearing part that partially wraps all or part of the rolling elements and moves with them to isolate the rolling elements, usually guide the ...

Claims

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Application Information

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IPC IPC(8): C08L27/18C08L61/16C08K3/30B29C43/36B29C43/02F16C33/44F16C33/56
CPCY02T10/86
Inventor 王枫王萍孙小波王子君时连卫李雪梅
Owner LUOYANG BEARING RES INST CO LTD
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