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The difference between sandpaper sand cloth and non-woven cloth grinding
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- Time of issue:2021-11-16
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(Summary description)Abrasive cloth is a new type of abrasive product with a three-dimensional network structure formed by a non-woven process with excellent nylon fibers, bonded with abrasive materials such as corundum and silicon carbide. This type of product was born in the 1970s. After decades of development,
The difference between sandpaper sand cloth and non-woven cloth grinding
The difference between sandpaper sand cloth and non-woven cloth grinding
The difference between sandpaper sand cloth and non-woven cloth grinding
(Summary description)Abrasive cloth is a new type of abrasive product with a three-dimensional network structure formed by a non-woven process with excellent nylon fibers, bonded with abrasive materials such as corundum and silicon carbide. This type of product was born in the 1970s. After decades of development,
- Categories:Trade News
- Author:
- Origin:
- Time of issue:2021-11-16
- Views:0
Abrasive cloth is a new type of abrasive product with a three-dimensional network structure formed by a non-woven process with excellent nylon fibers, bonded with abrasive materials such as corundum and silicon carbide. This type of product was born in the 1970s. After decades of development, it has now formed non-woven abrasive discs, non-woven abrasive wheels, rollers, abrasive belts and discs with a backing base, and abrasive products of special fibers. The series are widely used in the polishing of metal and non-metal materials, deburring, oxide film removal and pattern decoration.
1 The characteristics of sandpaper emery cloth
Compared with traditional abrasive products, sandpaper emery cloth has the following characteristics:
⑴Because of its good elasticity and mild grinding force, it can quickly dress the surface while maintaining the dimensional integrity of the workpiece.
⑵Because of the effective heat dissipation during the processing, the deformation and blackening of the workpiece caused by overheating are greatly avoided.
⑶ The three-dimensional network structure composed of excellent nylon fiber material has good water and oil resistance and anti-blocking effect.
⑷Long life, high cost performance, saving labor and time.
As an ideal surface treatment tool, sandpaper and emery cloth have become popular in developed countries in Europe and the United States, whether in factories or home DIY, and are accepted by more and more industries in China.
2 Classification of sandpaper and cloth
The following is a brief introduction to various products:
⑴ Non-woven abrasive sheet
This type of product is currently more popular non-woven abrasive products, also known as industrial scouring pads. It is usually used by hand or machine, which is convenient and fast, and greatly saves the complexity of surface treatment. It is widely used in the polishing, deburring, and thread decoration of stainless steel and other alloy hardware products, woodworking furniture, etc. There are also many applications in the surface treatment of machinery, electronics, and ceramic industries.
⑵ Non-woven fabric grinding wheel, roller
Such products mainly include insert type flying wing wheels, drawing wheels, laminated fiber wheels, take-up type take-up wheels, non-woven brush rollers, etc.
Flying wing wheels are widely used, with complete specifications and models. Because they can adapt to the grinding of irregular surfaces and have uniform grinding patterns, they are used in the hardware industry such as watches, door bolts, handles, locks, and wood products. In terms of line processing, this type of processing technology is currently quite mature.
There are two types of wire drawing wheels, composite sandpaper and separate non-woven fabrics. They are usually used with electric polishing and wire drawing tools (as shown in the picture). They are used for polishing and drawing satin on the surface of stainless steel, alloy, glass, and hard plastic, like in automobiles, It is widely used in kitchen and bathroom, elevator and glass furniture industries.
Laminated fiber wheels are divided into hardness. The fiber wheels of fine fibers are strong and durable, and the sand pattern is beautiful and uniform. It is usually mechanized. It is the more commonly used type of non-woven grinding wheels. It is used for polishing, stainless steel, copper, and alloy products. Wire drawing and deburring.
The take-up wheel is made of non-woven fabric wound in one direction. High-speed, grinding wheels with different hardness are used in the surface treatment of stainless steel, glass and other alloy products. The efficiency and effect are better than those of flying wing wheels and laminated fiber wheels. It requires high-speed work, and the surface cannot be blackened, and the lines cannot be chaotic. Therefore, the manufacturing process of the take-up wheel is relatively difficult.
There are many kinds of non-woven brush rollers in radial and tight shapes. Most of them are used in the pretreatment of colored steel plates, galvanized sheets, laminates, copper plates, stainless steel plates, printed circuit boards, nameplates, and deburring and line decoration. The use of non-woven brush roller has good consistency, clear lines and high efficiency.
Non-woven abrasive belts and abrasive discs: This type of product uses high-strength nylon mesh cloth as the backing base, supplemented by a non-woven abrasive layer. This structure is a good combination of excellent tensile strength and anti-clogging grinding. Non-woven abrasive belts are mostly used for the drawing processing of metal and wood. The big advantage is that the workpiece size is good, the sand grain effect is clear, the smoothness is high, and it is not easy to block the abrasive belt during the grinding process. The non-woven abrasive belt is better than ordinary abrasive belts. Durable more than ten times. The sand disc is combined with electric and pneumatic tools to quickly remove coverings, rust and other debris on various workpieces.
3 Notes on the use of non-woven abrasive products
⑴The meaning of common specifications
Sandpaper emery cloth is divided into many varieties and specifications according to the type of abrasive, particle size and tissue density (hardness).
Abrasives: generally corundum and silicon carbide, corundum is usually used for grinding metals, and silicon carbide is used for grinding hard and brittle materials or wood.
Particle size: The coarser the particle size, the higher the grinding efficiency, the coarser the texture of the grinding surface, the lower the finish, and the looser the corresponding network fiber structure.
The effect of tissue density on the surface quality of the processed workpiece: the texture of the high density is clearer than the low density, and the texture is not easy to be inclined or interrupted.
⑵Several parameters when using non-woven grinding wheel
The influence of the rotation speed of the grinding wheel on the processing result of the workpiece and the life of the abrasive tool: When the material of the workpiece is hard and the surface treatment effect is high, a high speed is required, but the life of the abrasive tool will be correspondingly shortened; the workpiece material is soft, select a low speed , The surface treatment result is relatively rough.
The effect of feed speed on the local lines of the workpiece: the faster the feed speed, the shorter the time for local grinding, and the fewer the number of line segments; the slower the feed speed, the longer it takes to process the local lines.
The pressure of the grinding wheel when grinding the workpiece: it is easy to burn the workpiece when the pressure is high, and the grinding wheel will change the shape; when the pressure is small, the texture of the workpiece is not clear enough and the efficiency is not high enough. Generally, the pressure of the grinding wheel of the flying wing is relatively small, and the pressure of the winding wheel is higher.
⑶Used environment
The non-woven abrasive sheet can be used in the environment of water, oil or other corrosive agents. There is no need to worry about problems such as steel ball rust and ordinary sandpaper. It can be used with a pallet or directly by hand.
When there are high requirements on the surface, the grinding wheel is often used with some lubricants, which can effectively dissipate heat, improve the surface color and reduce dust.
Compared with traditional abrasive products, non-woven abrasive products have the advantages of convenience, speed, safety and environmental protection. In the past, the price was relatively high for a long time, and only foreign companies could produce them. Although the domestic market is still dominated by foreign brands, domestic sandpaper and emery cloth manufacturers have developed rapidly, and these companies are mostly located in Guangdong, Jiangsu and Zhejiang. With the gradual localization of sandpaper and emery cloth and reasonable prices, it is believed that it will be more popular in the next 3-5 years.
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The difference between sandpaper sand cloth and non-woven cloth grindingAbrasive cloth is a new type of abrasive product with a three-dimensional network structure formed by a non-woven process with excellent nylon fibers, bonded with abrasive materials such as corundum and silicon carbide. This type of product was born in the 1970s. After decades of development, it has now formed non-woven abrasive discs, non-woven abrasive wheels, rollers, abrasive belts and discs with a backing base, and abrasive products of special fibers. The series are widely used in the polishing of metal and non-metal materials, deburring, oxide film removal and pattern decoration. - Tips for using disc sand 11-16
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