The previous article introduced that grinding is the smoothing and precision machining of the surface of the parts. The abrasive particles coated or pressed on the grinding tool are used to complete the processing through the relative movement of the grinding tool and the workpiece under a certain pressure. Grinding and polishing are two different processing methods. Compared with polishing, the surface finish achieved by grinding is lower. Let’s introduce the characteristics of grinding. If you want to know more about other processes, please pay more attention to our website.

1. The grinding has high dimensional accuracy. The grinding uses a very fine powder to grind off a very thin layer of metal at low speed and low pressure. The heat generated during the grinding process is very small, and the surface deterioration layer is very slight, so a surface with high precision can be obtained.

2. The surface shape precision is high, the cutting amount of grinding is small, the movement is complex, and it is not affected by the movement precision, so a higher shape precision can be obtained. On the other hand, since the cutting amount of grinding is very small, the original position error cannot be fully corrected, so grinding cannot correct the position accuracy of the part.

3. The surface roughness is small, and there is a certain relative movement between the part and the grinding tool. Each movement trajectory will not repeat the previous movement trajectory, so the convex peaks on the surface of the part can be uniformly removed and the surface roughness can be reduced.

4. Improve the wear resistance of the surface of the parts, the grinding surface roughness is small, the surface friction coefficient is reduced, the effective contact area is increased, and the wear resistance is improved.

5. Improve the fatigue strength of the surface of the parts, there is compressive stress on the grinding surface, which is beneficial to improve the fatigue strength of the surface of the parts.

6. Good craftsmanship, simple and convenient grinding equipment; grinding is not only suitable for single-piece manual production, but also suitable for batch mechanized production of steel, cast iron, various non-ferrous metals and non-metallic metals. For example, it can grind hard and brittle materials such as glass, ceramics, diamonds, etc.

7. Wide range of applications Grinding is widely used in the processing of various precision parts in modern industrial production. Various block gauges, optical glass, precision tools, semiconductor components, and precision mating surfaces need to be ground.