Polyethylene bearing having high-bearing performance

A polyethylene, high-load-bearing technology, applied in the field of mechanical parts, can solve the problems of limited use, insufficient strength and wear resistance of polyethylene bearings, etc., to improve wear resistance, improve water lubrication friction performance, and combine very novel effect

Inactive Publication Date: 2017-07-14
王涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although polyethylene can be injection molded into bearing parts, the strength and wear resistance of polyethylene bearings are insufficient in high-load situations, and their use is greatly restricted.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A polyethylene bearing with high load-carrying performance is composed of the following raw materials in parts by weight: 80 parts of ultra-high molecular weight polyethylene, 20 parts of nitrile rubber, 10 parts of self-lubricating agent, 0.1 part of zinc oxide, and 0.1 part of stearic acid , 0.1 part of cross-linking agent, 0.2 part of antioxidant, 20 parts of EVA modified resin, 0.4 part of dioctyl phthalate, 1.5 parts of zinc oxide, 2 parts of blowing agent, 0.3 part of lead stearate, 12 1 carbon fiber, 5 nanometer graphite powder.

Embodiment 2

[0017] A polyethylene bearing with high load-bearing performance is composed of the following raw materials in parts by weight: 80 parts of ultra-high molecular weight polyethylene, 40 parts of nitrile rubber, 30 parts of self-lubricating agent, 1 part of zinc oxide, and 1 part of stearic acid , 2 parts of crosslinking agent, 1.6 parts of antioxidant, 20 parts of EVA modified resin, 1.0 parts of dioctyl phthalate, 3 parts of zinc oxide, 3.5 parts of foaming agent, 1 part of lead stearate, 16 parts 10 parts of carbon fiber, 10 parts of nanometer graphite powder.

[0018] The composition of the invention is novel. While maintaining the advantages of self-lubricating and wear-resistant properties of ultra-high molecular weight polyethylene, the invention further improves its wear-resistant properties by introducing self-lubricating agents; by introducing rubber components, it improves its water lubrication While the friction performance has also improved the flexibility of the ma...

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PUM

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Abstract

A polyethylene bearing with high load-carrying performance belongs to the technical field of mechanical parts and is modified from ultra-high molecular weight polyethylene, nitrile rubber, self-lubricating agent, zinc oxide, stearic acid, cross-linking agent, antioxidant, and EVA. It is composed of permanent resin, 2-2-octyl phthalate, zinc oxide, foaming agent, lead stearate, carbon fiber and nano-graphite powder. The composition of the invention is novel. While maintaining the advantages of self-lubrication and wear resistance of ultra-high molecular weight polyethylene, the invention further improves its wear resistance by introducing a self-lubricating agent; by introducing rubber components, it improves its water lubrication While the friction performance has also improved the flexibility of the material, impact resistance, vibration damping; It is much smaller than that and is suitable for use as a water-lubricated bearing material.

Description

technical field [0001] The invention belongs to the technical field of mechanical spare parts and relates to a bearing, in particular to a polyethylene bearing with high load-carrying performance. Background technique [0002] Bearings are components that fix and reduce the friction coefficient of loads during mechanical transmission. It can also be said that when other parts move relative to each other on the shaft, it is used to reduce the friction coefficient in the process of power transmission and keep the center of the shaft fixed. Bearings are an important part of modern mechanical equipment. Its main function is to support the mechanical rotating body to reduce the friction coefficient of the mechanical load during the transmission process of the equipment. According to the different friction properties of moving elements, bearings can be divided into two types: rolling bearings and sliding bearings. [0003] The mechanical properties of polyethylene are average, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L9/02C08L15/00C08L13/00C08K13/04C08K7/06C08K3/04C08K3/30C08K5/09C08J9/10
CPCC08L23/06C08J9/103C08J2203/04C08J2323/06C08J2409/02C08J2413/00C08J2415/00C08K2201/011C08K2201/014C08L2203/14C08L2207/068
Inventor 王涛
Owner 王涛
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