In this article, we introduce "Inconel," a material considered difficult to machine. Inconel is a type of alloy material used under high temperature and pressure conditions, and is very hard, making machining difficult. However, due to its hardness and durability under high temperature and pressure conditions, it is widely used in aircraft, nuclear power plants, chemical plants, and more. There are also various types of Inconel, each with different characteristics and uses. This article aims to be helpful in collecting information on machining defects that those in the machining industry face every day.
As mentioned earlier, there are various types of Inconel, each with different characteristics and uses. The table below can be a reference for the features and mechanical properties of each type.
Inconel is an alloy that is very hard and has high heat resistance, requiring caution during processing. For Inconel 600, using tools that are too soft can lead to surface peeling or wear. Also, excessive cutting amounts may cause scratches on the surface. For Inconel 718, the cutting force is large, which can lead to chipping of the tool's edge or halt the cutting process. Tool replacement or adjustment is necessary before processing. Inconel 825 is often used in high-temperature environments, requiring cooling during processing. Additionally, too slow cutting speeds can lead to surface defects. Inconel X-750 has high hardness and cutting force, necessitating the use of appropriate tools and adjustment of the machining amount. Continuous cooling and regular replacement of the cutting edge are required during processing.
Inconel is an alloy that is very durable and suitable for use under high temperature and pressure conditions. However, its durability makes it difficult to process, requiring caution during processing. When machining Inconel, it is necessary to use high-hardness cutting tools, slow speeds, and shallow cuts. Sufficient cooling is also required, and the use of cutting oil is recommended. As the processing methods differ for each type of Inconel, it is important to understand the appropriate processing conditions. Because Inconel performs highly, it is necessary for technicians with sufficient knowledge and skills to handle its processing.
