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A kind of production recipe method of polishing wheel

A polishing wheel and weight ratio technology, which is applied in the field of grinding wheels and stone polishing wheels, can solve the problems of poor mechanical properties and shape retention of resin grinding wheels, reduce the service life of grinding wheels, and affect the surface quality of processed workpieces, etc., to achieve self-sharpening Good performance, high hardness and long service life

Inactive Publication Date: 2018-05-29
贵阳高新恒至磨料磨具厂
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it has the advantages of good self-sharpening and sharp grinding, there are also shortcomings due to the structure of the resin itself.
One is its low heat resistance. During the grinding process, due to the instantaneous grinding high temperature or the accumulated high temperature, the resin is easy to carbonize and decompose, and it is difficult to hold the superhard abrasive, resulting in a large amount of abrasive falling off or cracking and de-ringing of the working layer of the grinding wheel. The service life of the grinding wheel and the surface accuracy of the grinding wheel are greatly reduced; the second is that the mechanical properties and shape retention of the resin grinding wheel are poor
Both will affect the surface quality of the machined workpiece

Method used

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  • A kind of production recipe method of polishing wheel
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Experimental program
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preparation example Construction

[0031] According to the preparation method of polishing wheel of the present invention, it comprises the following steps:

[0032] First enter the mixing step S1100, prepare the materials, and mix the raw materials in the following weight ratio evenly to obtain the mixture: 18%-25% of silicon carbide, 20%-40% of industrial salt, 15%-25% of resin powder, 18% of brown corundum %~25%. The mixed raw materials should have good plasticity and fluidity, and the materials should not be agglomerated, let alone have powder balls, so as to ensure sufficient injection molding. Through this step, the mixture is obtained.

[0033] Then enter the pressing step S1200, which is also called a hardening step. The specific operation is: install the mold, weigh the required amount of mixture and add it into the cavity of the mold, and then press after scraping. Those who need to place reinforced glass fiber mesh should be placed as required. Then it is heated to 150-235° C. and screened by the ...

Embodiment 1-3

[0041] According to the formula in the above table 1 and the process parameters of each operation step, accurately weigh various materials respectively, and make the polishing wheel according to the following steps:

[0042] Mixing step S1100, uniformly mixing the raw materials according to the formula to obtain a mixed material;

[0043] Pressing step S1200, putting the mixed material into the mold and hot pressing to form the blank;

[0044] Secondary hardening step S1300, after demolding the blank, put it into an oven to heat and solidify to obtain a blank;

[0045] Finished product step S1400, the rough embryo passes the quality inspection to obtain the finished product.

[0046] After the polishing wheel made by the above-mentioned embodiment was used in many stone processing factories, the polishing wheel had high hardness, good grinding performance, high mechanical strength and long service life, which obviously improved the grinding of the workpiece by the polishing w...

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Abstract

The invention discloses a polishing wheel. The polishing wheel comprises the following raw materials including silicon carbide, brown aluminium oxide, industrial salt and resin-oatmeal. The invention further discloses a preparation method for the polishing wheel. The polishing wheel adopts resin binder, grinding materials are formed by choosing and compounding the silicon carbide and the brown aluminium oxide, since the two grinding materials are chosen and mixed, the relationship between the hardness and the toughness of the grinding materials can be adjusted, the polishing wheel has the properties and advantages of the two grinding materials, and therefore the grinding performance of the polishing wheel is improved, and the polishing wheel has the advantages of being high in hardness, good in self-sharpening performance, strong in grinding force and low in heat production amount; meanwhile, the preparation technology adopts the high-temperature pressing technology, the mechanical strength of the polishing wheel is further strengthened, and the grinding efficiency of the polishing wheel to workpieces is obviously improved. According to the production formula method for the polishing wheel, the produced polishing wheel is good in grinding performance, high in mechanical strength and long in service life.

Description

technical field [0001] The invention relates to a grinding wheel, in particular to a stone polishing wheel, and belongs to the technical field of abrasive tools and abrasives. Background technique [0002] Since China's stone industry became the world's largest stone producer in 2005, it has maintained rapid growth for nine consecutive years, and the demand for abrasive tools related to it has also increased dramatically. Grinding wheels are the most widely used abrasive tools. One type rotates at a high speed during use and is suitable for processing various materials. There are many types of grinding wheels. Different grinding wheels can be used for rough grinding, semi-finishing and fine grinding, as well as cutting and grooving of the outer circle, inner circle, plane and various profiles of the workpiece. This grinding wheel is mainly used for plate cutting. Polishing behind the edges. [0003] General grinding wheels are divided into ceramic grinding wheels, resin gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D18/00C09K3/14
CPCB24D3/00B24D18/0009
Inventor 项吉英
Owner 贵阳高新恒至磨料磨具厂
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