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Introduction of stone polishing and grinding disc


The research on the stone polishing mechanism, the main factors affecting the polishing effect and the stone polishing technology, mainly refers to the smooth surface of the stone.(Diamond Grinding and polishing Tools for Concrete)


After many years of use and its natural weathering, coupled with improper care of man-made, it is easy to cause its natural color and brightness to disappear, which is unbearable; the cost of re-decoration is too high and the time is too long. The marble renovation process uses chemical and physical effects in a very short time. On the original basis, it is restored to its original brightness through machine grinding and polishing. The color is natural and the brightness is 100%. It is economical and time-saving. The service life is more than five years.

Due to the different occasions, purposes and processing techniques of stone materials, polishing brushes, polishing grindstones, grinding discs, and grinding discs are currently used when polishing different specifications of matte (rough) plates. So what tools are used for marble, granite and ceramic tiles?




1. The magnesite grindstone is made of silicon carbide abrasive, magnesium oxide and magnesium chloride. The use of silicon carbide is preferably green silicon carbide. Black silicon carbide is relatively cheaper. The particle size is generally from 16#--1200 #, The hardness of the grindstone produced is also from hard to soft. It is characterized by low cost, good self-sharpening, and strong processing adaptability. It can process granite, marble, artificial stone, ceramic tiles, etc., but the processing efficiency is relatively high Low, the production cycle is relatively long, and the grinding head needs greater pressure when working. It is a conventional grinding tool. After the storage cycle of this kind of grinding stone exceeds one year, various properties will change, such as self-sharpening, soft Hardness etc.

2. (Resin edge grinding disc)Silicon carbide resin grindstones are made by mixing and consolidating silicon carbide abrasives and resins. They can be pressed with phenolic resin, and some can be poured after mixing with liquid resin. It is mainly used for fine grinding. The characteristics of pressing are good durability and good wettability during grinding. Especially when processing marble, the grinding brightness is good and the efficiency is relatively high, but the cost is relatively higher. Particle size, phenolic grindstone is easy to color when grinding and polishing light-colored stones, which is the main reason why it cannot be widely used. Mixing very fine silicon carbide powder and other materials with resin and pouring the grindstone is the main method used for polishing granite, terrazzo and concrete.





3. Ceramic grindstone is made by mixing silicon carbide abrasive and vitreous material and sintered at high temperature. It is characterized by good durability, but it is easy to be clogged, and the phenomenon of grinding and slipping occurs. The cost is also high. Now it is used less.

4. The metal bond grinding disc is made of diamond and metal powder after sintering. (Metal Bond Diamond Trapezoid Grinding Pads), It is characterized by high processing efficiency and good processing effect. Generally, the number starts from 50#, and the coarse grain size 20# should be selected carefully, otherwise, the result will be relatively coarse. It is difficult to process the back of the scratches. In addition, the finest particle size used is not more than 400#. This tool is used to trim rough surfaces. It is the most effective tool. It can process a satisfactory plane, and the cost is relative to the front. In other words, it is higher, but its processing efficiency is unmatched by ordinary grinding stones.




5. The resin bond grinding disc is made of diamond single crystal, micro powder and resin. It is characterized by lower cost than metal and high processing efficiency. It is mainly used for fine grinding of stone, to polishing, after the metal grinding disc is flattened. Yes, continue grinding and polishing tools. The cost is relatively moderate.

6. The diamond soft abrasive disc is a new type of tool used for ground renovation in recent years. Its lightness and unique flexibility make it have good adhesion to the machined surface. The particle size can be provided from 20#---3000#, And BUFF black and white (polished). In this product, the grinding disc uses diamond as the abrasive, which is light in weight and can effectively protect the soft part of the stone surface during grinding. The processed product has high gloss; it is connected by Velcro fasteners, which is convenient for operation. Its use still has good room for improvement.