Characteristics and Applications of Coated Abrasives
Release Date：2023-05-31 10:59
Coated abrasives are widely used in various grinding applications and are available in a wide range of varieties. They can be categorized into two types: those designed for manual use, such as sheet abrasives, sandpaper, and some types of rolls, and those used for mechanical processing, including sanding belts, sanding discs, and wheel sleeves. This article explores the characteristics and applications of coated abrasives, highlighting their versatility and effectiveness in different grinding tasks.
Characteristics of Coated Abrasives:
Compared to bonded abrasives, coated abrasives possess several distinct characteristics that make them highly desirable in various applications:
1. Flexibility and Versatility:
Coated abrasives exhibit excellent flexibility, allowing them to be folded, bent, wrapped, torn, or cut into various shapes and sizes to meet different processing requirements. This flexibility enables easy handling and adapts to irregular surfaces or complex shapes.
2. Ideal for Large Surfaces and Complex-Shaped Work-pieces:
Coated abrasives are indispensable for processing large-area workpieces and intricate surfaces that cannot be effectively addressed by other abrasive tools. For example, they are used to grind stainless steel strips, plywood, whole leather sheets, and even engine blades.
3. High Grinding Efficiency and Precision:
Sanding belts, in particular, offer exceptional grinding efficiency, converting almost all of the input power into useful grinding work (e.g., achieving 96% efficiency in flat surface grinding machines in the United States and 2.25 meters in China). Moreover, coated abrasives can achieve grinding precision ranging from 0.012 to 0.0012mm.
4. Simple and Safe Equipment Usage:
Coated abrasives are easy to use and offer a high level of safety during operation. The simplicity of their application makes them accessible to a wide range of users, ensuring efficient and secure grinding processes.
Applications of Coated Abrasives:
The versatility of coated abrasives makes them suitable for a diverse range of applications across various industries. Some common applications include:
1. Surface polishing of large flat panels, such as steel plates, plywood, and leather.
2. Mass production of workpieces requiring surface sandings, such as printed circuit boards, piano keys, and wooden furniture.
3. Continuous polishing and finishing of metal strips with widths exceeding 1200mm.
4. Shaping, grinding, and polishing of complex-shaped workpieces.
5. Outer diameter grinding of metal tubes, rods, and rollers, as well as internal diameter grinding of containers with inner diameters greater than 25mm, such as cylinders, hydraulic cylinders, and oil tanks.
6. Replacement of polishing cloth wheels with page wheels and sanding sleeves, enabling automation of polishing processes.
7. Sanding discs used for grinding weld seams, deburring, and paint removal on large shells, enclosures, and ship hulls.
Coated abrasives offer unique characteristics that set them apart from other types of abrasives. Their flexibility, adaptability, high grinding efficiency, and broad range of applications make them indispensable tools in various industries. From manual surface sanding to automated polishing processes, coated abrasives provide exceptional results and play a vital role in achieving high-quality finishes and precision grinding.
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