How to choose a punch?

Hammer-a powerful tool that can perform a variety of tasks, from drilling holes in almost all materials to shtrableniya and chipping of the walls or other structures. If you are going to buy a punch, then before you decide to go to the store with the basic parameters of the device. If you do not know how to choose the correct punch, then this article will find a lot of useful things for themselves. We look at the main types and features of different models of hammers.

The main species hammers

The perforator can be called a versatile tool that combines a drill and hammer a number of functions. Therefore, it is simply irreplaceable during construction, repair of other works. It is used both in everyday life for both home and professional masters.

By weight

There are three major classes of devices:

Light — weight to 4 kg, output from 400 to 800 watts. These models are designed for a variety of drilling holes in concrete. That is, it is mainly household tool that can handle the installation of eaves, fixing shelves, setting switches, sockets, etc. It can be used for chipping, ceramic tiles and tile adhesive removal from the walls.

Medium — weight up to 8 kg, power from 800 to 1000 watts. Such drills are used by masters to repair and finishing works for the construction of communications and electrical work. They already have enough power on it to punch a hole in the wall through pipes, Stroebe to prepare for the installation of electrical wiring and more.

Heavy — 8 kg weight, the power to 2000 watts. These units are the most powerful and productive, designed for professional use. They are needed during the overhaul, dismantling, installation of various communications, etc. They can drill a natural stone, concrete shear in doorways and more

By type of construction

According to its structure the following types of hammers:

Vertical — this construction allows to make the tool more compact, it is convenient to work in places where space is limited. Also worth noting is that the engine that is mounted vertically, cools better, so it can withstand high loads during operation in hammer mode. This type of rock drill is perfect for professional applications.

Horizontal — this option is familiar to most of our masters, since this type of design is most household hammers. They do well with drilling and chipping tiles, when it is important not speed, and the quality and balance of the instrument.

By type of reverse

The reverse applies for changing the direction of rotation of the drill, it allows you to remove the tool from the thickness of the material faster. It can be 2 types:

Coffee — in this case does not change the brushes, which are lapped to the rotor, causing it to slow down. This leads to rapid wear of the brushes. It is characteristic of cheap domestic models.

brush — the reverse is carried out by rotating brushes. In this case, the brush is not so quickly wear out. But such models are more expensive because they have a more complex design. This option is ideal for professional punchers who are actively and are used on a daily basis.

Important specifications Punch

Power

Part of this option, we have already discussed when talking about classes hammers by weight. The power tool may range from 400 to 2000 watts. And it is necessary to choose the model, taking into account the purposes for which the device is required.

For household needs and simple repairs in the apartment and enough low-power devices 400 -800 watts.

For the serious work better to choose the punch power of 1000 watts. Such a tool can be suspended structures and to mount and operate with walls of different thickness and different density materials.

The frequency of attacks

This feature indicates the amount of movement of the striker in a minute. Typically, it varies from 0 to 4000-5000 strokes per minute. Despite the fact that the frequency of beats punch considerably lower than that of impact drills, productivity contrary above. This is due to the fact that the hammer has a greater force of impact.

Energy (Power) strike

This characteristic is very important, it varies in the range of 1 to 20 J or above. The higher the power, the more solid material can run the tool. High impact strength is required when working with stone, concrete, and w/concrete structures. But it can be harmful if it is necessary to make a hole in a brittle materials, such as bricks or aerated concrete. It is also a tool with a small striking force suitable for removing tiles, where we have to work as carefully and accurately.

Cartridge

It is necessary to know in order to choose the right equipment for the gun.

SDS-plus — commonly used instruments light class, it can provide a reliable fixation of nozzles having a shank diameter of 10 mm and a symmetrical recess 2

.

SDS-max — the most commonly used tools for more powerful middle and heavy classes that require improved fixation elements snap shank 3 with asymmetric grooves and a diameter of 18 mm

.

SDS-top — this option is practically not used for tools with high shock loads

.

The diameter of the holes

The maximum diameter of the drill crown for different models may vary in the range from 12 to 160 mm and brown-from 10 to 80 mm. It is important to also take into account the purpose for which the tool will be used.

For drilling holes for anchors and dowels, do not need a large diameter. If you need to make big holes for cabling, communication, sockets, junction boxes, etc., in this case should be chosen puncher capable of operating with bits with diameters greater than 100 mm.

Spindle speed

Again, in the gun it is lower than that of the drill. Since the drilling high speed is not necessary, there will be a sufficient indicator of 1000 revolutions per minute. If we are going to drill often, it is best not to pay attention to models with the speed at 2000 r/min.

Number of modes

2 mode — hammer drilling and easy drilling without impact. This tool is suitable for home use, when its main task will be-drilling holes. In fact, such a model is an improved version of the hammer drill, which can cope with heavy loads and harder materials.

3 mode — blow hammer drilling and conventional drilling without impact. These tools are more versatile, can be used to solve a variety of tasks: dismantling, shearing, shtrablenie, removal of wall and floor coverings, and more. They work not only with the drills, but also with drills, blades, chisels, chisels.

What else should look to choose a good punch?

In addition to the technical parameters, there are some points that you should consider when choosing an instrument. So you will find the most suitable for your model and the specifics of the work you will find out what features should pay and for what does not. Let's look at them in more detail.

Electric or battery

If the object has constant access to electricity and do not need to frequently move from punch, the best choice would be a variant that runs on the network. You do not have to worry about the battery power is low, it will be enough for the entire volume of forthcoming works. Wireless models are used where it is impossible to connect to an outlet or to work at height, in confined spaces, move along a building or fence. Modern cordless drills are not inferior network performance, so the tasks to cope not worse, even in the professional sphere. But their operating time is limited to the battery capacity and the degree of charge. This problem is solved spare batteries. While stranded battery is charging, the second will continue to work. Cordless relevant for the installation of windows, air conditioners, ventilation systems, etc., that is where often have to travel to different objects, which may not be electricity.

The presence of the safety clutch

It is triggered when jamming equipment in the wall. For example, the cutting edge of the drill met with an obstacle as if in passing-it can be a reinforcement or metal beams. Without the ability to go straight drill deviates from the rotation axis, until it does not jam. In this case, the clutch is activated and prevents further drilling. The system eliminates injury wizard that may occur from uncontrolled turning the rotary hammer in the hands.

Anti-vibration protection

In the simplest of domestic models, it either does not exist or it is represented by a simple rubber inserts. This type of protection is called passive. It minimizes fatigue and provides a convenient tool holding. There are also active defense, which is used in professional grade rotary hammers, powerful, heavy, with which a person has to work all day. Inside the case is placed a special counterweight and spring, absorbing vibration. The handle can be secured to the housing by hinge spring-loaded connections. This reduces the transmission of vibration to the hands and reduces the risk of tunnel syndrome-occupational disease of many workers. If you have to use the hammer on a daily basis, is not worth saving-choose a model with an active vibration protection. This will help to maintain health.

What is the complete set is worth considering?

If this is your first punch, choose a model with all the necessary work. Complete basic configuration to include: additional side handle and depth stop. The kit can also be supplemented by the Boers of the main dimensions, adapter for drill chuck, spare brushes, carrying case, lubricant key. If you want to buy a tool to replace the old equipment can not play a big role. Since you should already have all the necessary tools for the job, and it makes no sense to overpay.

Remember to choose a good puncher, must take into account all the nuances intended use of the instrument and the future burden. In our online store 130.com.ua you will find a large selection of models and will be able to buy a punch in Kiev, Odessa and Kharkov with delivery across Ukraine.

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