04 a) Drilling machine (TT) Reading, listening.

What is a Drilling Machine?

A drilling machine is a machine used to make round holes in different materials, such as metal, wood, or plastic. It works by turning a sharp tool called a drill bit, which cuts into the material to create a hole. Drilling machines are very useful in manufacturing and construction.

Main Parts of a Drilling Machine

A drilling machine has several main parts: the base, the column, the table, spindle. The base supports the machine and keeps it stable. The column holds the machine radial arm. The table is where you place the material you want to drill. The spindle rotates the drill bit, and the motor provides power to the spindle. All these parts work together to drill a hole safely and accurately.

How It Works

The drilling machine works in a simple way. When the motor is turned on, it makes the spindle rotate. The spindle spins the drill bit very fast. As the drill bit moves down into the material, it cuts and removes small pieces to make a round hole. The machine keeps the drill steady and helps make holes in the right place.

Types of Drilling Machines

There are different types of drilling machines for different jobs. A bench drill is small and used for light tasks. A pillar drill is bigger and stronger, used for heavier work. A radial drill can move in different directions and is used for large workpieces. CNC drilling machines are controlled by computers and are used in modern factories for very precise work.

Uses of Drilling Machines

Drilling machines are used in many places. In factories, they help to make machine parts.

In workshops, they are used by carpenters and metal workers. On construction sites, they help build houses and buildings. People also use them to make furniture or repair equipment. These machines save time and make work easier and more accurate.

Safety Rules

When using a drilling machine, safety is very important. You should always wear

safety glasses to protect your eyes. Do not wear loose clothes or jewelry, because they can get caught. Hold your material firmly so it doesn’t move. Always turn off the machine when you're done. Keep your hands away from the drill bit while it is moving.