Drilling is a process used to create cylindrical holes in a variety of materials, including wood, metal, plastics, and composites. This process has a variety of applications in industries such as aerospace, automotive, and medical, as well as in construction and manufacturing. This article will discuss the fundamentals of drilling, the common types of drills used, and the various materials used for drilling.
The fundamental concept of drilling involves using a rotating tool to cut away material, creating a cylindrical hole. The drill bit is the component that actually cuts the material. It is a cutting tool made of a variety of materials, including high-speed steel, cobalt steel, and carbide. The drill bit is attached to a drill, which is powered by a motor. The drill is guided along the surface of the material by either hand or by a machine, such as a drill press.
Drilling is used in a variety of industries for a variety of purposes. It is commonly used in construction for making holes for nails, screws, and bolts. In manufacturing, it is used to create holes for rivets and other fasteners. In the aerospace industry, it is used to create holes for rivets, screws, and other fasteners. In the medical industry, it is used to create holes for implants, prosthetics, and surgical instruments.
There are many types of drills available, including twist drills, spade drills, bell-hanger drills, and core drills. Twist drills are the most common type of drill and are used for general purpose drilling. Spade drills are used for drilling larger holes, such as those used for plumbing. Bell-hanger drills are used for drilling into materials such as sheet metal and other thin materials. Core drills are used for drilling deeper holes, such as those used for electrical wiring.
The materials used for drilling vary depending on the application. Common materials used for drilling include wood, metal, plastics, and composites. Wood is typically drilled with twist drills, spade drills, and core drills. Metal is typically drilled with high-speed steel, cobalt steel, and carbide drill bits. Plastics are typically drilled with twist drills and spade drills. Composites are typically drilled with high-speed steel, cobalt steel, and carbide drill bits.
In conclusion, drilling is a process used to create cylindrical holes in a variety of materials, including wood, metal, plastics, and composites. There are many types of drills available, and the type of drill used depends on the application and the material being drilled. The materials used for drilling vary depending on the application.
References
American Technical Publishers. (2020). Drill Bits. Retrieved from https://www.americantechpubs.com/drill-bits
Ferguson, S. (2015). The Various Types of Drills and Their Uses. Retrieved from https://www.wisegeek.com/what-are-the-different-types-of-drills.htm
The Engineering Toolbox. (2020). Drilling. Retrieved from https://www.engineeringtoolbox.com/drilling-processes-d_1278.html