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Have you heard of CNC turning inserts? If you're in the machining industry, you probably have. CNC turning inserts are the small cutting tools that are used in computer numerical control (CNC) machines to remove material from a workpiece. But did you know that there are different types of CNC turning inserts? In this article, we'll explore the various types of CNC turning inserts that exist and what makes them unique.
1. ISO Turning Inserts
The ISO turning inserts are the most commonly used CNC turning inserts in the industry. These inserts have a standardized shape and dimensions that conform to the International Organization for Standardization (ISO) standards. They are widely available and used in a variety of CNC machines.
2. Negative Inserts
A negative insert is a CNC turning insert with a negative topography. The negative topography means that the insert has a concave shape on its top surface, and it creates a negative rake angle. Negative inserts are typically used for roughing operations, where large amounts of material need to be removed quickly.
3. Positive Inserts
Positive inserts have a convex topography and create a positive rake angle. The positive rake angle allows the insert to shear the material rather than simply rubbing against it, which results in a smoother cutting process. Positive inserts are used for finishing operations, where a high-quality surface finish is required.
4. Ceramic Inserts
Ceramic inserts are made from tough ceramics and are used for cutting hard metals like cast iron and nickel-based alloys. They are very wear-resistant and can handle higher cutting speeds than other types of inserts. However, they are also brittle and can fracture if they encounter too much force.
5. Carbide Inserts
Carbide inserts are made from tungsten carbide and are used for cutting all types of materials, from aluminum to steel. They can be coated with different coatings to enhance their wear resistance or reduce friction. Carbide inserts are one of the most commonly used inserts in the industry, and their versatility makes them a popular choice.
6. Diamond Inserts
Diamond inserts are made from synthetic diamonds and are used for cutting the hardest materials like ceramics, glass, and stones. They are incredibly wear-resistant, and the small diamond particles embedded in the insert create a sharp cutting edge. Diamond inserts are expensive compared to other types of inserts, but they are essential for cutting hard materials.
In conclusion, CNC turning inserts come in different shapes and sizes, and each type has its own unique properties. The type of insert you choose depends on the material you're cutting and the type of operation you're performing. Hopefully, this article has provided you with a better understanding of CNC turning inserts and helped you choose the right one for your next project.
cnc turning insert types
