What does the mesh size of a grinder mean?

Jun 19, 2025|

Products Description

 

The "mesh" of the grinder refers to the particle size of the abrasive. The larger the mesh number, the finer the abrasive particle size. For example, common abrasive mesh numbers are 240, 320, 400, 600, 800, etc. These numbers represent the number of sieve holes per square inch and are also the standard for measuring the abrasive particle size.


The "mesh" in the grinder is an important parameter, which represents the particle size of the abrasive. Simply put, the larger the mesh number, the finer the abrasive particle size. This parameter has a crucial impact on the grinding effect.

 

Grinding Machine

 

Model Voltage Power KW Output KG/h Weight KG Dimensions (mm)
Gn-50 380/50HZ 220V/1.5 10-30 65 610*400*700
GN-80 380/50HZ 4 50-100 210 850*450*930
GN-110 380/50HZ 7.5 100-200 300 850*450*1000
GN-130 380/50HZ 11 200-300 350 1000*500*1200
GN-180 380/50HZ 18.5 500-800 420 1050*550*1250
GN-220 380/50HZ 30 600-900 480 1080*600*1300
GN-240 380/50HZ 37/45 1000-1500 1300 1400*600*1350
GN-300 380/50HZ 75/90 3000-5000 1600 1500*700*1450

 

 

1. Mesh number and abrasive particle size

In a grinder, the particle size of the abrasive directly affects the fineness and efficiency of grinding. Mesh number, as a standard for measuring abrasive particle size, is defined as the number of sieve holes per square inch. For example, 240-mesh abrasive means there are 240 sieve holes per square inch, while 800-mesh abrasive means there are 800 sieve holes per square inch. Obviously, the abrasive particle size of 800 mesh is much finer than that of 240 mesh.

2. Application of abrasives with different mesh numbers

Abrasives with different mesh numbers are suitable for different grinding scenarios. Generally speaking, abrasives with larger mesh numbers are suitable for grinding hard surfaces such as glass and metal because they can more finely remove surface unevenness and defects. Abrasives with smaller mesh numbers are more suitable for grinding soft surfaces such as wood to avoid excessive wear or damage to the surface.

3. How to choose the right abrasive mesh number

When choosing abrasives for a grinder, we need to determine the right mesh number based on the specific grinding needs and material properties. If you want to do rough grinding or process softer materials, you can choose abrasives with smaller mesh; if you need to do fine grinding or polish hard surfaces, you should choose abrasives with larger mesh.

4. The importance of correctly choosing the mesh of abrasives

The correct selection of abrasive mesh is crucial to improving grinding efficiency and protecting surface quality. Too coarse abrasives may increase surface roughness and even cause scratches; while too fine abrasives may reduce grinding efficiency and increase grinding time. Therefore, in practical applications, we need to flexibly adjust the mesh of the abrasive according to the specific situation to achieve the best grinding effect. 

 

In short, the "mesh" of the grinder is a key parameter that determines the particle size of the abrasive and the grinding effect. By understanding the application scenarios of abrasives of different meshes and the correct selection methods, we can better use the grinder to perform surface treatment work on various materials.

 

 If you have more questions about the equipment, please feel free to contact us.

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