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Preparing technology for bronze-base diamond grinding wheel

A preparation process and a technology for grinding wheel pieces, which are used in manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of complex diamond grinding wheel abrasive process, high production cost, inconvenience in mass application, etc., and achieve low equipment cost. , good quality, beneficial to the effect of industrial production

Active Publication Date: 2016-07-27
LIUZHOU KAITONG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing process of preparing diamond grinding wheel abrasives using metal materials as a binder is relatively complicated and the production cost is high, which is inconvenient for large-scale application in industrial production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] A kind of preparation technology of bronze-based diamond grinding wheel sheet, it comprises the following steps:

[0025] (1) Preparation of titanium dioxide sol; when preparing titanium dioxide sol, first dissolve butyl titanate in absolute ethanol under stirring, then add diethanolamine, after the solution is evenly mixed, add ethanol aqueous solution dropwise, continue stirring, and then Aging to obtain titanium dioxide sol; the ratio of butyl titanate, water, diethanolamine and ethanol in the titanium dioxide sol is 1:1:1:(25-28). The invention adopts butyl titanate as an organic precursor, takes ethanol as an organic solvent, and prepares titanium dioxide sol through alcoholysis, hydrolysis and polycondensation reactions.

[0026] (2) Clean the diamond particles; when cleaning the diamond particles, first soak the diamond particles in hydrochloric acid solution, then rinse with deionized water until the pH value of the rinse solution is 7, and dry them, then ultras...

Embodiment 1

[0033] First dissolve butyl titanate in absolute ethanol under stirring, then add diethanolamine, after the solution is uniformly mixed, then add ethanol aqueous solution dropwise, continue stirring, and then age at room temperature for 1 hour to obtain titanium dioxide sol, in which butyl titanate The ratio of ester, water, diethanolamine, and ethanol is 1:1:1:25; at the same time, the diamond particles are first soaked in hydrochloric acid solution, and then rinsed with deionized water until the pH value of the rinse solution is 7, and dried. Dry, then ultrasonically clean with acetone, then rinse with deionized water and dry, then soak the cleaned diamond particles in the above titanium dioxide sol, take them out after standing, and then dry them in an oven at 70°C for 6 minutes, then cool ; and repeat the above steps 3 times; then place it in the muffle furnace, raise the temperature of the muffle furnace to 90°C and keep it for 30 minutes, then raise the temperature to 600...

Embodiment 2

[0035]First dissolve butyl titanate in absolute ethanol under stirring, then add diethanolamine, after the solution is uniformly mixed, then add ethanol aqueous solution dropwise, continue stirring, and then age at room temperature for 1 hour to obtain titanium dioxide sol, in which butyl titanate The ratio of ester, water, diethanolamine, and ethanol is 1:1:1:26.5; at the same time, the diamond particles are first soaked in hydrochloric acid solution, and then rinsed with deionized water until the pH value of the rinse solution is 7, and dried. Dry, then ultrasonically clean with acetone, then rinse with deionized water and dry, then soak the cleaned diamond particles in the above titanium dioxide sol, take them out after standing, and then dry them in an oven at 80°C for 5 minutes, then cool ; and repeat the above steps 4 times; then put it in the muffle furnace, raise the temperature of the muffle furnace to 95°C and keep it warm for 25min, then raise the temperature to 700°...

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Abstract

The invention relates to a bronze-base diamond grinding wheel, in particular to a preparing technology for the bronze-base diamond grinding wheel. The preparing technology comprises the steps that titanium dioxide sol is prepared; diamond particles are cleaned; the cleaned diamond particles are immersed in the titanium dioxide sol and fished out after standing, and the cleaned diamond particles are cooled after being heated and dried; then the diamond particles are placed in a muffle furnace to be subjected to heat treatment; a diamond abrasive material, bronze powder, silicon carbide powder and sodium bicarbonate powder are mixed and subjected to ball milling; and the mixed materials subjected to ball milling are screened, dried and sintered, die disassembly is conducted after cooling, and the bronze-base diamond grinding wheel is obtained. According to the preparing technology, the diamond is immersed in the titanium dioxide sol, and therefore the surfaces of the diamond particles are coated with titanium dioxide films, and the performance of the diamond is greatly improved. The bronze is adopted as a bonding agent, silicon carbide is filler, sodium bicarbonate parties are used for assistance, the quality of the prepared diamond grinding wheel is better compared with a diamond grinding wheel prepared through the similar technology, and industrial production is facilitated.

Description

technical field [0001] The invention relates to a bronze-based diamond grinding wheel sheet, in particular to a preparation process for a bronze-based diamond grinding wheel sheet. Background technique [0002] In recent years, with the advancement of science and technology, people's requirements for production tools are developing in the direction of high efficiency, long life and high economy. In many fields, tools of ordinary materials can no longer meet the increasing requirements of laborers. Therefore, diamond The representative diamond grinding tool has developed rapidly, and its application has penetrated into the fields of mechanical processing, automobile manufacturing, aerospace, biology, medical equipment, electronic information, construction, transportation, geological mining and so on. [0003] At present, most of the artificially synthesized diamonds are in the form of powder or fine particles. In order to use diamonds for high-precision and high-efficiency gr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/05C22C26/00B24D18/00
CPCB24D18/0072C22C1/05C22C26/00C22C2026/006C22C2026/008
Inventor 黎超英吴沛荣
Owner LIUZHOU KAITONG NEW MATERIAL TECH CO LTD
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