Cutting tools are devices used to remove material from a workpiece. They are made of various materials such as high-speed steel, carbide, ceramics, diamond, etc. The cutting edge is the portion of the tool that comes into contact with the workpiece and removes material from it.

The portion of the tool on which the cutting edge is formed is known as the shank. It is the main body of the tool that provides support and stability to the cutting edge. The shank is usually cylindrical in shape and is held in a tool holder or collet.

Importance of Shank in Cutting Tools:

The shank plays a crucial role in the performance of cutting tools. Some of its important functions are:

1. Provides support: The shank provides support to the cutting edge and ensures that it remains stable during the cutting process. This helps in achieving accurate and precise cuts.

2. Transmits force: The shank transmits the cutting force from the machine to the cutting edge. A strong and rigid shank can handle higher cutting forces, resulting in faster and more efficient cutting.

3. Dampens vibrations: During the cutting process, vibrations can be generated which can affect the accuracy of the cut. A well-designed shank can dampen these vibrations and prevent them from affecting the cutting edge.

4. Heat dissipation: Cutting generates heat which can damage the tool and the workpiece. The shank helps in dissipating this heat and prevents the tool from overheating.

Conclusion:

In conclusion, the shank is the portion of the cutting tool on which the cutting edge is formed. It provides support, transmits force, dampens vibrations, and dissipates heat. A well-designed shank is essential for achieving accurate, precise, and efficient cuts.