An electric drill is one of the construction tools operated by rotational force which can be used on different surfaces. Drills are one of the most widely used power tools and are used in both home and workplaces. They can do drilling in wood, metals, and concrete.Corded drills sets are divided into three categories in terms of the operating mechanism:Read More
As the name implies, this electric drill has a simple mechanism and can be used on metal, wood and plastic. The simple drills are also used as corded screws and can be used on a variety of screws.
Drilling on materials such as stones and concrete is not easy and the friction can damage the drill bits. With the use of a hammer system in this electric drill, this model can do drilling operations in concrete and stone.
When drilling, the hammer system makes even impacts and can easily drill stone and concrete. Drills are mainly used in domestic and industrial environments and a variety of drill bits can be installed on them.
This device includes a hammer and gearbox feature. The gearbox part of this power drill consists of some gears that are responsible for transmitting power and speed. This gearbox has a shift chassis that provides both power and speed modes:
The first mode
- Lower rotation speed but more power.
The second mode
- More rotation and less power.
These two modes can help the user in different holes. The hammer function of this electric drill can do drilling on stone and concrete. This device can be used as a corded stirrer. Also the gearbox function is useful in drillings on metals because you need lower speed and more power and this drill can provide it.
Components of an electric drill
The motor consists of an armature and stator, which causes the armature to rotate by electromagnetic induction, and as a result, the chuck of the device rotates.
The gears are responsible for transferring power from the motor to the chuck system.
Forward/reverse rotation system
The electric drill has a forward/reverse rotation system on its trigger part which helps the user change the chuck’s rotation.
There are two types of the auxiliary handle:
1) Plastic auxiliary handle
2) Rubber auxiliary handle with antiperspirant coating
Depth gauge ruler
A depth gauge ruler is used for drilling in the walls so that the user can have the best performance.
The chuck is responsible for holding bits. Depending on the performance, the chuck is divided into two categories:
- Keyed chuck: As the name implies, this chuck has a wrench to fasten the bits inside the chuck and is available in 6 mm, 10 mm, 13 mm, and 16 mm sizes.
- Keyless chuck: You do not need a wrench to open and close this chuck; it can be opened or closed manually. This chuck is available in 6 mm, 10 mm, 13 mm, and 16 mm sizes.
The electric drill has a switch to turn it on and off and it is divided into two categories:
- Trigger with speed control: This key acts like a car accelerator pedal; the more the user presses the key, the faster the device works. This switch can work best on power drills that also are used as corded screwdrivers.
- Trigger with dimmer switch: The dimmer controls the speed of the device. The dimmer switches have a speed change chassis on them, which is from one to six, the number 1 is the lowest, and the number six is the highest speed of the device.
To buy electric drills, consider the types of drills available in the market and their applications. Do you want to use the drill for everyday tasks such as installing a towel, installing a chandelier, or simple drilling? Or for more significant repairs and making more giant holes in stone or brick? If you know what you want, you can more easily find the type of drill you want.
Do you move a lot in your workplace?
To buy an electric drill, you must first specify for what purpose you want to use it. If you need to drill on plastic, wood, and even metals for domestic use, you can use a simple drill. This drill with speed control key capability and forward/reverse rotation system can help you turn the screws in addition to drilling.
If you need a corded drill to drill a wall, you should use a hammer drill. Because this drill, in addition to the rotating system, has an impact system that makes drilling in concrete and stone easier.
The impact drill is for opening hard, stiff, and long screws in harsh environments such as concrete. This drill’s powerful motor makes it rotate with great speed and power.
Important things to consider before buying drills
The first point when buying an electric drill is to define our needs. Are we looking for simple drills or more powerful ones? Do we want a drill that can be used for screws? On which surfaces do we want to work? After answering these questions and the following explanations you can find the tool you need.
The second point when buying an electric drill is the device’s power. The corded drills in the market are divided according to their power. Drills with lower power, such as 300 to 500W, fall into the range of low-power devices suitable for light work. Drills with a power of 700 to 800W are ideal for industrial and semi-industrial uses, and drills with a power of 1000W and above are suitable for hard and industrial drilling.
The third thing to consider when buying a drill is the type of design and weight of the device. The device’s design should let the user perform drilling operations easily, and the weight should be light so that the user can have better maneuverability.
The ability to change the speed is one of the critical parameters when buying a power drill; before purchasing one, make sure it is equipped with a dimmer switch. The dimmer is responsible for speed control, and the user can set the minimum and maximum speed.
Device rotation speed
For some users, the rotation speed of the machine is a crucial parameter when purchasing an electric drill; for example, blacksmiths are looking for a device with a low rotation speed that can drill metals with high accuracy and power.