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A special rubber grinding wheel for bearings and its production method

A rubber and bearing technology, which is applied in the direction of abrasives, grinding devices, grinding/polishing equipment, etc., can solve the problems of insufficient hardness and no application, etc., and achieve the effects of enhanced hardness, short final temperature time, and increased use

Active Publication Date: 2016-06-01
江苏重负荷砂轮有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the special requirements of the bearing on the surface and the nature of the material itself, the selected abrasive must have high hardness and high control performance. In terms of controlling the size of the grinding workpiece, the traditional resin grinding wheel has excellent control performance, but the traditional The hardness of the resin grinding wheel is not enough, and the original resin grinding wheel has no precedent for bearing grinding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1. Weigh the materials, weigh the following materials in proportion, and put them into the reaction kettle: 100 parts of styrene-butadiene rubber, 60 parts of sulfur, 1 part of zinc oxide, 10 parts of resin powder, 0.2 parts of stearic acid, 1 part of accelerator M, pine tar oil 1 part, 8 parts of alumina, plus three times the amount of abrasives of the aforementioned components;

[0021] 2. Mixing, mixing the materials evenly through mixing;

[0022] 3. Forming, the mixed material is evenly distributed on the substrate by rolling, and laminated according to the diameter and thickness of the polishing wheel to be produced. After standing still, it is cut and processed into the required shape, and it is processed by heat treatment after

[0023] 4. Vulcanization, heat the material to 165°C and keep this temperature for 20 hours for vulcanization.

Embodiment 2

[0025] 1. Weigh the materials, weigh the following materials in proportion, and put them into the rubber mixer: 100 parts of styrene-butadiene rubber, 75 parts of sulfur, 2.5 parts of zinc oxide, 20 parts of resin powder, 0.5 parts of stearic acid, 2 parts of accelerator M, pine 2 parts of tar, 10 parts of aluminum oxide, plus three times the amount of abrasives of the aforementioned components;

[0026] 2. Mixing, mixing the materials evenly through mixing;

[0027] 3. Forming, the mixed material is evenly distributed on the substrate by rolling, and laminated according to the diameter and thickness of the polishing wheel to be produced. After standing still, it is cut and processed into the required shape, and it is processed by heat treatment after

[0028] 4. Vulcanization: heat the material to 165°C and keep this temperature for 15 hours for vulcanization.

Embodiment 3

[0030] 1. Weigh the materials, weigh the following materials in proportion, and put them into the rubber mixer: 100 parts of styrene-butadiene rubber, 70 parts of sulfur, 2 parts of zinc oxide, 15 parts of resin powder, 0.4 parts of stearic acid, and 1.5 parts of accelerator M , 1.5 parts of pine tar, 9 parts of aluminum oxide, plus three times the amount of abrasives of the aforementioned components;

[0031] 2. Mixing, mixing the materials evenly through mixing;

[0032] 3. Forming, the mixed material is evenly distributed on the substrate by rolling, and laminated according to the diameter and thickness of the polishing wheel to be produced. After standing still, it is cut and processed into the required shape, and it is processed by heat treatment after

[0033] 4. Vulcanization, heat the material to 165°C and keep this temperature for 18 hours for vulcanization.

[0034] The rubber grinding wheel made by the production method of the present invention adopts heat preserv...

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PUM

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Abstract

The invention relates to a rubber grinding wheel special for bearings, and further provides a method for producing polishing wheel pieces. The rubber grinding wheel special for bearings comprises butadiene styrene rubber, sulfur, zinc oxide, resin powder, stearic acid, promoter M, pine tar, aluminum oxide and abrasive materials. The method for producing the polishing wheel pieces comprises the following steps of material weighing, material mixing, forming and vulcanization. The rubber grinding wheel made through the method is short in final temperature time because a thermal insulation time delay technology is adopted when the vulcanization point is reached, and accordingly the hardness of the grinding wheel is improved, the shape keeping performance of the grinding wheel is good, control over the size of a ground workpiece is greatly improved, and the application of the resin grinding wheel is extended; compared with the prior art, the rubber grinding wheel has the advantages of being durable and low in cost.

Description

technical field [0001] The invention relates to a special rubber grinding wheel for replacing imported bearings and a production method thereof, belonging to the field of mechanical accessories. Background technique [0002] Grinding wheel is the most important type of abrasive tool in grinding process. The grinding wheel is a porous body made by adding a binder to the abrasive, compacting, drying and firing. Due to different abrasives, bonding agents and manufacturing processes, the characteristics of grinding wheels vary greatly, which has an important impact on the processing quality, productivity and economy of grinding. The characteristics of the grinding wheel are mainly determined by factors such as abrasive, particle size, bond, hardness, structure, shape and size. [0003] Abrasives are the main raw material for making grinding wheels, which are responsible for cutting work. Therefore, the abrasive must be sharp and have high hardness, good heat resistance and ce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D3/22B24D18/00C08L9/06C08L101/00C08K13/02C08K3/06C08K3/22C08K5/09
Inventor 曹杰
Owner 江苏重负荷砂轮有限公司
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