Grinding wheel is one of the essential products in the industrial production industry and has a wide range of applications in many industries. According to their main uses, they can be divided into ceramic grinding wheels, cutting grinding wheels, and sanding grinding wheels;
Ceramic grinding wheels have good heat resistance, high grinding efficiency and polishing effect, and the processed workpiece surface is smooth, uniform and consistent.
Cutting grinding wheels are usually very thin and are mainly used for cutting applications such as metal, ceramics, marble, roads, glass, and other materials.
Grinding wheels are mainly used for processing and correcting the shape of metal workpieces, such as surface polishing and grinding, casting burrs, rust removal, sheet metal trimming correction, etc.
There are many factors to consider when choosing a grinding wheel, such as the type of abrasive, abrasive particle size, specification size, abrasive hardness, type of binder, density, and so on;
Grinding wheels are classified into ordinary abrasives and natural abrasives according to their abrasive properties; Ordinary abrasives refer to brown corundum, white corundum, black corundum, zirconium corundum, chromium corundum, single crystal corundum, silicon carbide, etc. Natural abrasives refer to diamond, cubic boron nitride, etc. The following are several commonly used abrasives:
Brown corundum has high hardness and toughness, so it can exhibit good grinding performance when grinding metals with high tensile strength such as carbon steel, alloy steel, malleable cast iron, hard bronze, etc. It is mostly used in the rough grinding process of cutting off large margins and is inexpensive;
Compared to brown corundum, white corundum has higher hardness but slightly lower toughness. During the grinding process, the abrasive particles are easily broken; Therefore, it is mostly used for manufacturing precision ground quenched steel, high carbon steel, high-speed steel, or for grinding thin-walled parts.
Black silicon carbide has high hardness and sharpness; But it has low brittleness and is commonly used in grinding low mechanical strength materials such as cast iron, brass, aluminum, and refractory materials.
Green silicon carbide has good abrasive sharpness and thermal conductivity, and its hardness and brittleness are slightly higher than those of black silicon carbide. It is widely used in the grinding of hard and brittle materials such as hard alloys, optical glass, and ceramics.
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