Not a single industry does not use cutting tools; be it in the aerospace, automobile, or manufacturing industries, cutting tools are a must. However, as the demands of machining progress to more challenges, it becomes essential to have long-lasting, efficient, and accurate cutting tools. The coating also plays a vital role in improving the performance and longevity of any cutting tool, without a doubt. Coatings are found to increase the durability and heat stability of a tool as well as increase its efficiency. This blog will highlight the role of coating for cutting tools and the benefits it will bring to your cutting tool usage.

Coatings for Cutting Tools: Why Coatings?

Cutting tools prevent dynamic heating, intense pressures, and abrasion from comparable cutting tools. These conditions, therefore, lead to wear, tool breakage, and inefficiency in the workpiece, thereby posing a threat to the quality of the workpiece and, in the process, increasing the drag on the cost of production. Coatings act as a protective barrier between the tool and the material being machined, providing several key advantages.

1. Increased Tool Life

The main advantage of coating a cutting tool is that it extends the life expectancy of the tool. Coatings act as lubricants by decreasing the surface friction and reducing the tool’s and the material’s wear. This facilitates the tool to stay sharp and ready for use for a longer duration.

2. Improved Heat Resistance

Taps produce heat, particularly when working at high speed or with materials such as titanium or stainless steel. Holding the hot or heating the cutting edge beyond the required measure weakens or warps it. The TiN and AlTiN coatings are good heat sinks, ensuring high temperatures do not compromise the tool.

3. Optimizing Potential Cutting Speed & Rate

Coated cutting tools are known to perform at greater speeds and feed rates than uncoated cutting tools. This increased efficiency not only causes enhanced production rates but also lowers the cut surface roughness. By applying significant pressure to minimize the friction between the tool and the workpiece, the machining can be accomplished much faster.

4. Resistance to Corrosion and Oxidation

Most coatings give outstanding protection against oxidation and rust, and therefore, they are most suitable for use when tools undergo exposure to water or alkaline substances. Coatings such as Titanium Carbon Nitride (TiCN) and Chromium Nitride (CrN) minimize wear caused by chemical activity and reduce the tool usage time on abrasive surroundings.

5. Versatility Across Different Materials

Coated cutting tools are reusable and applicable to different materials, including ductile metal such as aluminum and sturdy steel like stainless steel. The coating is usually selectable according to the material you are using so that the optimum performance is always achieved, whichever the case.

Popular Coatings for Cutting Tools

Several coating types are widely used in cutting tools. Here’s a brief overview of some of the most popular options:

1. Titanium Nitride (TiN)

The most used coating type, based on titanium and nitrogen, is known for its wear and high heat-resistant properties. This model is best suited for general cutting tasks and can handle most materials that range from steel to aluminum.

2. Aluminum Titanium Nitride (AlTiN)

What’s better, AlTiN is ideal for high-temperature use because of its ability to resist high heat. It is fairly typical for use when cutting through such more rigid materials as stainless steel and titanium alloys.

3. Titanium Carbonitride (TiCN)

The properties of TiCN are superior surface hardness, abrasive resistance, and good adhesion to the substrate as compared to TiN. The coolant best suits rigid materials such as cast iron and stainless steel.

4. Diamond-Like Carbon (DLC)

DLC coatings are hard, and they are well suited to nonferrous applications such as aluminum and copper. These coatings act as lubricant agents and enhance the surface finish characteristic of the coated parts.

5. Chromium Nitride (CrN)

CrN has superior corrosion resistance, and this coat is commonly utilized when moisture or chemicals are encountered with the tool.

Conclusion

Coatings are essential to increase the cutting tools’ life and efficiency. Anti-wear, high heat stability, high cutting velocity, and lubrication are the features that provide a big step forward in modern-day machining by the coatings. Suppose you are an organization in need of increased performance and tool durability. In that case, you must work with a reputable supplier of cutting tools like Jarvis Cutting Tools.  

Whether it is a challenge to machine hard material or to search for optimal ways to decrease manufacturing expenses, Jarvis Cutting Tools is a company that offers exposed knifemaking and individualized care in response to the concerns of today’s vicious business market. Contact Jarvis Cutting Tools today to find out how their coated cutting tools can significantly improve your machining operations.