The cutting portion of a drill is to.be welded to its shank. The proce...
Explanation:
Welding is a process of joining two or more similar or dissimilar materials by applying heat or pressure or both. In the case of drill cutting portion and shank, friction welding is the best process suited for welding.
Friction Welding:
Friction welding is a solid-state welding process in which two materials are joined by generating heat at the interface through mechanical friction. The heat generated is used to soften the material and fuse them together. Friction welding is widely used in the automotive, aerospace, and manufacturing industries.
Advantages of Friction Welding:
- Friction welding does not require any filler material or flux, making it a clean and efficient process.
- It produces a strong, solid-state bond between the materials, which is often stronger than the parent material.
- Friction welding is a fast process that can be completed in a matter of seconds, making it ideal for high-volume production.
Process of Friction Welding:
- In friction welding, the two materials to be joined are held in a rotating chuck.
- The two materials are brought together under pressure, and the rotating chuck generates heat through friction.
- As the heat builds up, the material softens and starts to fuse together.
- Once the materials have fused together, the pressure is released, and the joint is allowed to cool.
Conclusion:
Friction welding is the best-suited process for welding the cutting portion of a drill to its shank because it is a fast, efficient, and clean process that produces a strong, solid-state bond between the materials.
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