Stone polishing and grinding disc introduction

The research on the polishing mechanism of food material, the main factors affecting the polishing effect and stone polishing technology mainly refers to stone polishing.

Stone after years of use and its natural weathering, coupled with improper artificial care, it is easy to lead to the disappearance of its natural color and brightness, making people take one's eyes off; Re decoration cost is too high, too long time, marble renovation process is in a very short time to use the role of chemical physics, on the basis of the original machine grinding, polishing, so that it restored to the original brightness, color and luster natural, brightness 100 percent, both economic and time-saving, service life in more than five years.

First of all, there is an estimate of the project cost. If the cost is relatively low, the construction period is allowed, and the acceptance work is relatively loose, ordinary grinding tools can be considered.

The hardness of grinding tools should be soft, which is conducive to glazing; At the same time, in order to improve gloss, can reduce the amount of water, improve the rotation speed of the machine, increase the surface temperature, will also promote the improvement of gloss. In short, the polishing of stone is a complex physical and chemical process, both physical micro-plough cutting action, but also the pure chemical reaction of the surface, because of the situation, not uniform.

The following is a variety of polished grindstone discs for marble, granite, tile, etc.

1. Ling magnesia stone by silicon carbide abrasive and magnesium oxide, magnesium chloride polymerization, the use of silicon carbide, green silicon carbide as well, the black silicon carbide is relatively will be cheaper, granularity, generally from 16 #, 1200 #, the hardness of stone is also made by from hard to soft, its characteristic is low cost, good self-sharpening, processing adaptability is strong, can be processing granite, Marble, artificial stone, ceramic brick, but the processing efficiency is relatively low, the production cycle is relatively long, grinding head work requires greater pressure, is a conventional grinding tool, the storage cycle of this grinding stone after more than a year, various properties will change, such as self-sharpening, hardness and so on.

2. Silicon carbide resin grindstone, made of silicon carbide abrasive and resin mixed and consolidated, useful phenolic resin pressing class, with liquid resin after mixing, casting class. Is mainly used in fine grinding, suppressing class is characteristic of good durability, good grinding of invasive, especially when processed marble, grinding the luminosity is good, efficiency is high, but the cost is relatively high some, mainly use fine-grained, phenolic type of stone in the polishing light-colored stone, easy to color, this is not the main reason for the widespread use. With very fine silicon carbide powder and other materials mixed with resin, casting out of the grindstone, is applied to granite, terrazzo, concrete polishing main means.

3. Ceramic grindstone, made of silicon carbide abrasive mixed with glass, sintered at high temperature, is characterized by good durability, but easy to plug, grinding skid phenomenon, high cost, now use less.

4. Metal bond grinding disc, diamond and metal powder by sintering, and features a high machining efficiency, good processing effect, generally from 50 # #, for coarse-grained 20 #, want to choose carefully, otherwise, the appear relatively coarse scratches behind is difficult to processing, in addition, the use of the fine-grained also does not exceed 400 #, this tool is used to trim the rough surface, It is the most effective tool, which can process a satisfactory plane. The cost is a little higher than before, but the high efficiency of its processing is incomparable to ordinary grindstone.

5. Resin binder grinding disc, made of diamond single crystal, micro powder and resin consolidation, is characterized by lower cost than metal, high processing efficiency, mainly used for fine grinding of stone, to polishing, is the metal grinding disc after grinding, continued grinding tools. The cost is moderate.

6. Diamond soft grinding sheet is a new tool used for ground renovation in recent years. Its lightness and its unique flexibility make it have good fitting performance for the processing surface, can provide particle size from 20#-- 3000#, and BUFF black and white (polishing). This product, grinding diamond as abrasive, light weight, grinding processing can effectively protect the soft part of the stone surface, processed products gloss high; Nylon bonding method for connection, easy to operate. Its use, there is good room for improvement.

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