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Difference between shot blasting and shot peening.

Shot peening and Shot blasting are two different ways of preparing the surface of a metal. While the end goal is the same, the procedure to do it is a bit different. Shot blasting is mainly used to either clean the surface or prepare it for further work like painting or powder coating by shooting cut wire shots with great energy at the surface. On the other hand, in shot peening, carefully selected abrasive material like a round cut wire shot is used in a controlled way to change the surface of the metal. In the shot peening, the amount of dust the process produces much less compared to shot blasting. Due to this reason, shot peening is widely used in the automotive, aerospace industry as well as construction sites. In shot peening, the media like the steel cut wire shot is carefully selected so that no unnecessary damages is caused when it forcibly hit the metal surface.

What are the advantages of the shot peening process?

The shot peening process is widely used in many industries due to its advantages. Some of the advantages of the shot peening process are as follows.

·        This is comparatively cheaper than the shot blasting process.

·        It increases the life of the metal parts.

·        It helps in refining the hardness and firming up the metal sheet.

·        It helps in flattening the surfaces and revealing the flaws underneath.

·        This process helps to avoid crack formation when the material is put under compressive stress.

What are the advantages of the shot blasting process?

Shot blasting is also widely used for cleaning the metal surfaces so that further work could be done on it. This method also has several advantages, which makes it so popular. Some of these advantages are as follows.

·        In this process, no chemical is used.

·        Compared to soda blasting, it is much cheaper.

·        This is one of the most efficient ways of clearing away the rust from the metal surface.

·        You can clean even the sharpest corner of a metal part by using the shot blasting method.

These are just some of the advantages of shot peening and shot blasting which will help you to understand where and why they are used in the industry.

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