Press "Enter" to skip to content

What are the abrasives used for cutting discs?

The customized metal cutting disc has high strength, certain elasticity and self-sharpness. These remarkable advantages are derived from the choice of materials. The cutting disc has three important materials in production, which is the decision product. What are the three important factors of quality?
1. Liquid phenolic resin. The fluctuation range of the solid content, viscosity, gel time and water solubility of the liquid phenolic resin has different degrees of influence.
2. The stability of the technical indicators of the mesh. As the performance of aluminum abrasive cutting disc continues to increase, the role of webs in resin-cut discs is important. Mainly manifested in: the fluctuation of the cutting disc strength, the deformation of the slice, the delamination of the grinding sheet and so on. The amount of glue contained in the mesh has an effect on the strength and viscosity of the cutting disc and the cutting performance of the resin-cut disc.
3. Powder phenolic resin. The flow of the powder phenolic resin is an important performance index that affects the structure of the binder. The particle size affects the amount of the wetting agent, and the content of the volatiles is also important. In the actual cutting disc production process, it is necessary to ensure the stability of the performance of each batch of powder resin, so as to ensure the quality of the cutting disc.
The above three kinds are important materials for the resin cutting disc, and the quality of the material should be paid attention to during the production, so as to ensure the overall quality of the product.
The cutting disc will use different abrasives during the production process, and the quality of the abrasive directly affects the use effect of the product. There are many cutting discs on the market, and there are corresponding differences in quality. If you want to become a shining star among many merchants, you should pay attention to the use of good quality abrasives. What are those?
1. Black corundum: Also known as low-aluminum corundum, its color is black, it has the characteristics of high toughness, good hydrophilicity and good cutting performance. It is the abrasive for polishing the bottom surface of parts before plating.
2, single crystal steel jade: its color varies with impurities, generally light yellow and white. This abrasive is similar to brown fused alumina with high hardness and toughness. Since its particle shape is spherical and each particle is a crystal, it has high crush resistance in the grinding process. It is used to grind stainless steel and high vanadium high speed steel and other steels with high toughness and high hardness.
3. Microcrystalline corundum: The main chemical composition of AI?O? is the same as that of brown corundum. It only uses the rapid cooling process in the smelting process to obtain the effect of fine crystallization. The finely crystallized corundum is mechanically stronger than ordinary corundum. Its color and chemical composition are similar to those of brown fused alumina, but its abrasive grains are composed of many tiny-sized crystals with high strength, toughness and self-sharpness. It is suitable for grinding stainless steel, bearing steel and special ductile iron, and can also be used for superfine grinding.
4, black silicon carbide: from petroleum coke, quartz sand, wood chips and other raw materials in the resistance furnace smelting. Black silicon carbide has a black color and a dark blue color. The black silicon carbide texture is brittle and harder than the corundum abrasive. Its toughness is inferior to the corundum abrasive. It is especially suitable for the processing of materials with low tensile strength, such as non-metallic materials and non-ferrous metals. It is hard and brittle. The processing of the material is also an ideal abrasive.
5. Green silicon carbide: The raw materials used in the manufacture are almost the same as the production of black silicon carbide. The industrial salt is reacted as a reactant and accelerator in an electric resistance furnace, and its color is green. Green silicon carbide has a softer texture and higher hardness than black silicon carbide. Its grinding application is more suitable for fine grinding of materials such as grinding and grinding than the black silicon carbide. More widely used in grinding materials for workpieces of cemented carbide and diamond products. Since green silicon carbide is higher in manufacturing cost than black silicon carbide, the price is more expensive than black silicon carbide. Therefore, green silicon carbide is mainly used as a hard alloy and precision ground abrasive.
The above five kinds of abrasives, in the production of the normative links, will present a high quality China cutting disc for metal. Each of the above abrasives needs to be taken seriously, and the standardization of the whole link can present a better quality product, which will reduce various conditions and prolong the service life in future use.

Be First to Comment

Leave a Reply

%d bloggers like this: