A cordless drill is an essential tool that does small jobs at our home. We use this small piece of power tool for different purposes such as drilling holes drilling screw woodworking and son. Although it is not mandatory, many of us do not know how a cordless drill works. Therefore, in this article, I will show you the working principle of a cordless drill in a detailed manner.
Working principle of a cordless drill
The power source
The battery is the powerhouse of a cordless drill. It is located under the handle of the drill. When you press the trigger then the drill is activated. If we release the trigger then the power is cut off and the electrical circulation is broken.
Speed of the drill tip
You will see e a trigger at the middle of the body off the drill. That trigger is responsible for controlling the speed of the tip of the drill. The speed changes according to the tightness of the trigger. The more tightly you fasten and the trigger the more the speed of the drill tip is. You can change the direction of the rotation of the tip as well.
Motor
Moto is the driving force of the drill. The major responsibility of the motor is to convert the electrical energy received from the battery to mechanical energy. This mechanical energy is then used for the rotation of the drill tip. The motor can be overheated if you push it too hard. A modern cordless drill has an overheat protection system. However, the motor is a pivotal part of a cordless drill.
Gearbox
A controlled amount of talk is transferred by the gearbox to the chuck of the drill. Different materials require different amounts of power and speed to work on. Hence we need to change the gear and set the torque according to the material we are working on. You will see some numbers on a cordless drill that specifies different torque numbers for different speeds and power.
Rotation of the chuck
The power of the motor is responsible for the rotation of the chuck. You can use the drill for drilling holes and driving screws. The same drill machine can work both. To do that you need to just change the drill bit.
Bottom line
This is the general construction of a cordless drill. However, the modern cordless deal can have different additional features such as torchlight and so on. Not all drills are good for every kind of project. Therefore when you are choosing a cordless drill it has to be according to the type of project you are on. A basic cordless drill can cost you around $50. For the purpose of working at home, you do not need to spend much money on it.