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Preparation method of water-lubricating rubber bearing

A rubber bearing and water lubrication technology, applied in the field of rubber bearings, can solve the problems of lack of performance data, and achieve the effect of good friction resistance and good seawater corrosion resistance.

Inactive Publication Date: 2013-12-25
DALIAN MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The rubber used in water-lubricated rubber bearings is mainly NBR. For example, the BTG water-lubricated rubber bearing developed by Chongqing University is a type of water-lubricated dynamic-sealed rubber alloy bearing prepared by adding various fillers to NBR. Chinese invention patent, 200510057204 .X, water-lubricated dynamic seal rubber alloy bearing; 200810070089.3, water-lubricated rubber alloy bearing, these patents provide structural diagrams and design parameters, indicating that they have excellent performance and application prospects, but lack relevant performance data in seawater environments

Method used

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  • Preparation method of water-lubricating rubber bearing
  • Preparation method of water-lubricating rubber bearing
  • Preparation method of water-lubricating rubber bearing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Compared with Comparative Example 1, the functional agent molybdenum disulfide was added to the formula, the addition amount was 10, 20, 30, and 50, and the addition amount of carbon black was 70. The formula is as follows:

[0035]

[0036] The molding and curing conditions were the same as those in Comparative Example 1.

Embodiment 2

[0038] The rubber bearing was prepared according to the following composition and content mixture, where NBR JSR230 rubber with 35% CN content was used instead of NBR JSR240 with 26% CN content in Example 1. The addition amount of functional agent molybdenum disulfide was 10, and other components The formula is the same as in Example 1:

[0039]

[0040] The molding and curing conditions were the same as those in Comparative Example 1.

Embodiment 3

[0042] The rubber bearings prepared in Comparative Example 1 and Example 1 were combined with steel sets to form a bearing system. The friction coefficient and wear amount were tested on a marine rubber bearing friction tester. The test conditions were: speed 500r / min, load 500N , The time is 60min, fresh water is used as the lubricating medium, the measurement results are shown in Table 1 and Table 2.

[0043] Table 1. Results of friction coefficient and wear amount of rubber bearings prepared in Comparative Example 1

[0044]

[0045] Table 2. The friction coefficient and wear amount of the rubber bearing prepared in Example 1

[0046]

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PUM

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Abstract

The invention discloses a water-lubricating rubber bearing which is prepared by taking NBR (nitrile butadiene rubber) as a matrix and adding a reinforcing agent, a vulcanizing agent, an accelerant, a lubricant, an anti-aging agent, a functional agent and the like by the steps of mixing and mould-pressing vulcanization forming. The test of a marine rubber bearing friction testing machine indicates that the rubber bearing has remarkably low friction coefficient and abrasion loss in seawater, shows excellent performance such as friction resistance, abrasion resistance, seawater corrosion resistance and the like, and can be widely applied to the fields such as bathyscaphes, underwater robots, submarine oil drilling, shipping, mining, water conservancy irrigation and national defense equipment, and the like.

Description

Technical field [0001] The invention belongs to the technical field of rubber bearings, and specifically relates to a water-lubricated rubber bearing prepared by using nitrile rubber (NBR). Background technique [0002] At present, about 1 / 3 of the energy consumption in the world is in different forms of friction, and the consumption of sliding bearings accounts for about 1 / 10. For a long time, the bearing friction pairs in the ship propulsion system are mostly composed of metal components, and mineral oil is used as the lubricating medium. This not only consumes a lot of strategic resources such as mineral oil and precious non-ferrous metals, but also needs to be equipped with complex seals to prevent oil leakage. The device and equipment make the structure of the entire transmission system very complicated, and the problems of friction, wear, vibration, noise, poor reliability and short life generated in the process of mechanical transmission cannot be solved well, especially i...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08K13/02C08K3/06C08K3/22C08K5/09C08K3/04C08K13/04C08K7/08B29C43/58B29C35/02
Inventor 廖明义辛波励琦彪
Owner DALIAN MARITIME UNIVERSITY
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