Sort out and summarize the comparison between sand blasting and shot blasting

Sort out and summarize the comparison between sand blasting and shot blasting

In the two articles "A Detailed Introduction to the Differences between Shot Blasting and Sand Blasting (I)" and "A Detailed Introduction to the Differences between Shot Blasting and Sand Blasting (II)", the Zhongwei Precision Editor specifically introduced the differences between sand blasting and shot blasting. Now, the Zhongwei Precision Editor will rearrange and summarize the differences between them for everyone to better understand and apply the two processing methods of sand blasting and shot blasting.

1. Shot blasting and sand blasting are surface treatment, but it does not mean that only castings can be shot blasted; Other parts can also be shot blasted;

2. The main function of sand blasting is to remove rust and oxide skin on the surface. For example, MIMzhongwei precision technical experts found that shot blasting has many functions for parts after heat treatment, such as not only removing rust and oxide skin on the surface, but also improving surface roughness, removing machining burrs of parts, removing internal stress of parts, reducing deformation of parts after heat treatment, improving wear resistance and compression capacity of parts surface, etc;

3. There are many processes used for shot peening, such as casting, forging, surface treatment of machined parts, surface treatment of parts after heat treatment, etc;

4. Sand blasting is mainly manual operation, while shot blasting is mostly automatic and semi-automatic;

5. The steel shot and iron shot used for shot blasting are not really the shot in the real sense. To be exact, they are small steel wires or small steel rods. They only look like balls after being used for a period of time. The metal powder injection molding manufacturer found that the so-called sand for sand blasting is just river sand, which is no different from that used for construction. It is just that the sand used for sand blasting is screened, with little mud, and the particle size and specification. Of course, some industries are also different. For example, the ship industry uses real steel shot blasting and metal ore sand (not river sand quartz sand) for sand blasting.

For more information about MIM technology and MIM materials, please consult the MIM technology professional team of Zhongwei Precision Metal Powder Injection Molding in Qinhuangdao