Drill
Drills are used for drilling holes, processing wood, metal, concrete and other materials. If you do repairs as a hobby, this tool is necessary for you almost at every moment..
First and foremost when buying a drill, you need to decide which type of drill you want – electric or battery.
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Cordless drills
are those that are powered by an accumulator battery. It is mainly a 12 volt battery. These drills are easier to handle due to the ease of movement where you are not hindered by the length of the power cable. They are often multifunctional because with certain accessories you can also use them as screwdrivers, i.e. for screwing and unscrewing screws. Their disadvantage is the durability of the battery, so when using such drills it is advisable to have a charged spare battery
Both electric and battery drills have different power, that is, the number of revolutions per minute. The higher the power, the higher the number of revolutions per minute. As a rule, drills with one speed are the weakest drills in terms of power and are used for easier and less demanding jobs. and two- to four-speed drills. They are used for more difficult and demanding jobs, which means that handling such drills is more demanding and difficult. That is why, during certain works, it is necessary to adjust the optimal speed, i.e. the number of revolutions, with the help of a regulator. Any overloading of the drill makes your work difficult and dangerous. is for the device because it is possible that a malfunction will occur.
Vibrating electro-pneumatic drills
are mainly professional drills that are rarely used in domestic work. Vibrating drills are also called impact drills. They enable the rectilinear movement of the drill bit, which hits the surface that is being processed with a forward-backward system. Such drills are intended for very hard materials such as reinforced concrete. It is usual that are electric impact drills with a cable, but you should know that there are also electric drills with a vibration or impact mode of operation. Pneumatic drills are driven by a piston that compresses air.
Cordless drill-screwdriver or drill?.
The cordless drill is perhaps the most common tool used for household chores and various hobbies. It is important to know when buying whether you are buying a cordless screwdriver or a drill. power best suited for drilling. When you intend to unscrew or screw in screws and drill, it is necessary to turn the switch in one or the other direction, depending on what you want.
Drive
Electric drills use electric motors for their drive, which have built-in carbon brushes that are subject to wear, so it is necessary to service the drill and replace the brushes from time to time.
Electric drills use electric motors for their drive that have built-in carbon brushes that are subject to wear, so it is occasionally necessary to service the drill and replace the brushes. Aku drills use mostly motors without brushes due to friction, they have minimal losses, so their service life is longer.
There are also desktop drills that are attached to a table or other flat surface. The way these drills work is to move up and down along their fixed axis. They are mostly heavier devices due to their stability when fixed on the work surface. Some models these drills also work at an angle of 45 degrees.
Some drills are equipped with an electromagnet, which enables a more stable attachment to the material being processed (screws or some metal surfaces).
Angle drills are intended for working in hard-to-reach places. They have a recessed chuck and are usually smaller in size.
There are a large number of drills depending on the purpose (professional semi-professional and hobby drills). Most of them will do their job correctly if the drill is handled correctly and if the maintenance of the drill is according to the rules.
When buying a drill, you need to know the purpose for which you will use it, and also determine the price for which one is right for you.
If it is a hobby and occasional rare use of the drill, it is not necessary to spend a lot of money, nor is it necessary to buy a drill whose performance is intended for professionals. It is enough to ask yourself which type of drill can meet expectations with its quality.
There are many branded drills from various manufacturers that do not have to be expensive, because all these brands are involved in the production of both professional and hobby devices, and that is how they form their prices.
Security
There are many branded drills from various manufacturers that do not have to be expensive, because all these brands are involved in the production of both professional and hobby devices and thus form their prices.
A very important segment is safety when using this tool. When working with the drill, you need to be calm and concentrated. Ensure the place where you are drilling so that the drill does not slip, as this can be very dangerous for the operator of the drill.
It is recommended not to use loose clothing, because if the drill slips, it can catch the sleeve or some other part of the clothing and lead to dangerous injuries.
It is necessary to wear safety glasses when working with a drill, because the drilling itself can cause materials and files to fall off, which can end up in the eye and lead to dangerous injuries.
Here are some tips
When working with smooth metal material, it is recommended to make an indentation with a nail or some other hard object in the place where we are drilling, so that the drill will immediately lie in that indentation and to avoid slipping.
When drilling ceramic tiles, once you have determined the drilling location, stick a patch on that location to avoid the drill bit slipping. This often happens with ceramics because it is very slippery. .Avoid injuries and damage to ceramics in this way.
It is also recommended when you start drilling that you always start with a lower speed and a lower number of revolutions so that you do not slip off the drilling site, and then gradually increase the speed and power. That way you will make a precise and correct hole.
We may not have forgotten about the main part of the drill, which is the drill bit
A drill bit is a dedicated tool for processing materials by drilling
The drill can be of the highest quality, but if you use the wrong drill, you have done nothing
There are three basic types of drill bits. Drill bits for metal, wood, stone (concrete).
Drill bits for wood are mostly spiral shaped. They have a long, thin point in the middle that serves for centering
For drilling walls, the drill bit has a blade that is equipped with a hard metal plate and is usually in the shape of a chisel, since drill bits must be very robust due to the impact energy.[. It is necessary to use a vibrating drill or a hammer drill. If the wall is made of hollow stone with porous material, it is drilled only by rotation, i.e. without hammering. The same applies to porous bricks and walls made of panel elements.
Drill bits with a ground tip are suitable for non-ferrous metals. So which ones are softer, such as aluminum, copper, brass, zinc. For steel, high-quality steel drills are used for faster work with cobalt alloy, or even drills that have a titanium layer are needed. They are more expensive than ordinary drills, but that’s why they enable drilling of special steel without high wear of the drill.
In this blog, we only touched superficially on this tool that is necessary for the complete set of your home tool set.
We will dedicate some of the following blogs to each of the mentioned types of drills and drills, where we will introduce you to them in more detail
M.J
