Any owner of the production of domestic work are often faced with the need to tighten the screws, tighten the screws and assemble furniture.Of course, all this can be done manually.However, modern manufacturers offer a special tool to facilitate this work.Greatly simplify and accelerate the process of twisting allow screwdriver.
Scope
intended purpose screwdriver:
- loosening and tightening of various fasteners (bolts, screws, screws, and so on. D.);
- drilling the necessary holes in brick, metal and wood.
There is also a popular use of this tool.For example, a screwdriver is used to:
- mixing paints and building mixes;
- drilling holes in the ice while fishing in the winter.
screwdriver widely used today owners of apartments and private homes while carrying out various construction works.Professional masters use the tool also for assembling furniture as well as for fixing different parts and drywall.
screwdriver design allows its use in the most remote places.But it is the most popular among the masters enjoyed exactly the battery unit.It gives the opportunity to work where there is no electrical grid.
Anyone who has ever picked up a screwdriver, do not reach for a screwdriver.Power tool will be a welcome helper in many civil matters.In favor of the purchase of said screwdriver ease of handling, and always ready for use by the internal battery.
kinds of models
How to choose a screwdriver for the house with the existing variety of manufacturers and offers them tools?First of all, you need to familiarize yourself with the available in the consumer market kinds of models.
All screwdrivers are divided into household and professional use.The assignment of the instrument to one group or another is made on the size of the cartridge, power nutrient, equipment, price and availability of additional features.
Basic parameters
When watching popular TV shows about repairing many of us probably pay attention to how the master, using a screwdriver, in minutes perform such volume of works that with a simple screwdriver to do for hours.Not surprisingly, then a significant number of viewers think about the purchase of electric tools.
How to choose a screwdriver for the house, so he did not disappoint your expectations?You will need to learn the basic characteristics of the instrument.Moreover, it is recommended to start the engine.Any power tool has a certain capacity, which determines the performance of the device.And what in the autonomous vehicle?They are connected with the power capacity of the battery.
If you do not know how to choose a good screwdriver, begin to get acquainted with the model just from the engine.How should it be?Experts positively characterize the type of engine valve without commutator brushes.They are virtually noiseless, maintenance-free and have high productivity.
Experts recommend to familiarize with the parameters such as the frequency with which the rotation of the operating units of the instrument.In this feature you can learn about the purpose of the screwdriver.With a small gear ratio gearbox provides high speed of rotation of the chuck.This feature of the tool is required for drilling small diameter holes in its.
Combined screwdriver
Many owners prefer to have in the house a tool that performs a variety of functions.As such, it can be purchased Drills accumulator.How to choose a model that makes it easy to perform all facing the problem of its owner?
As for professionals, they stopped their attention to upscale expensive instrument.Domestic yourselfers choose conventional models that have a reasonable price.If the purpose of your purchase - Drills accumulator, how to choose a right tool for doing work?For beginners, it is not an easy task.First of all, you will need to get some knowledge about the characteristics of the power tool and its other subtleties.
When choosing this wonderful assistant, keep in mind that drills are characterized by an option that allows to use the tool with two speeds.Thus, with minimal effort chuck rotation is slower.Stronger pressing causes an increase in the number of revolutions.
for gentle treatment of screws tool can have the clutch, producing torque adjustment.When fully screwed screw it begins to slip.This is a very convenient option to help keep the drill in working condition, as well as a removable nozzle.
Choosing a drill-screwdriver, carefully read the nameplate data.Experts recommend to pay attention to the weight of the tool, which is indicated with the battery.Small in size and light drills will not have such a reserve of energy and power, the heavier.
Selecting a tool on the battery type
How to choose an electric screwdriver for this item, because the capacity of the batteries have different values?This issue should not cause any difficulties.In larger battery capacity certainly increases the power of the unit.Batteries Screwdrivers can be as nickel-cadmium and nickel-metal hydride and lithium ion.
If you do not know how to choose a screwdriver for battery at home, follow the advice of experts, and to look for a model, complete with a spare battery.The cost of such an accessory will certainly justify themselves.This becomes clear when viewing the price of new batteries that make up fifty percent of the value of the screwdriver.The most convenient model of the machine can work with two types of elements (metal hydride and nickel-cadmium).This option is very useful tool.
Lithium-ion batteries
How to choose a home cordless screwdriver, so it was easy to use?To do this, it is important to pay attention to the type of battery built into it.
now widely used lithium-ion cells.They are equipped with not only the screwdrivers, but also many other instruments as well as handheld devices.These batteries are designed for three thousand charge-discharge cycles.The battery is capable of a fast charge, while delivering a low enough weight.
The main disadvantages of these advanced batteries can be attributed to their low shelf life (3 years) and high cost.In addition, to get the most out of, this element must be used without long breaks.
In this regard, experts advise those who find it difficult to answer the question: "How to choose the right cordless screwdriver?" - To acquire tools with lithium-ion elements to perform professional work.It is also recommended not to discharge and recharge the battery completely.This will significantly reduce the life of the element.Charging should be in the range of from 15 to 90 percent.
nickel-cadmium batteries
this type of battery power tools are equipped with a long time ago.And this applies not only to screwdrivers.These batteries are designed to fifteen hundred charge-discharge cycles.Those who do not know what a screwdriver choose to work, experts advise to model it with nickel-cadmium batteries.Such a tool will function without any problems at a temperature of minus fifteen degrees.In addition, the manufacturer guarantees the smooth operation of the battery within five years.Please buyers and low cost of these models.
However, nickel-cadmium battery has some disadvantages.They should consider if you are faced with this question: "How to choose a screwdriver cordless home?" Among the negative points - a fairly long (about an hour) and a large charging weight of nickel-cadmium cell.
If you bought a screwdriver with battery option, according to the recommendations of experts, charged and discharged it fully need.This will allow the member having a memory to the charge does not reduce its service life.Special conditions will need to comply with and the storage of the battery.It is necessary to keep in the charged state.
nickel-metal hydride battery
These batteries are inherently represent a middle way, located between the two described above.If you are faced with the question of how to choose a battery screwdriver for house, should be considered a tool, and with this type of elements.
Nickel-Metal Hydride battery can perform about a thousand charge-discharge cycles.There are other positive aspects.These include a minimum self-discharge and no memory to the charge.Less of the battery lies in its considerable weight, as well as the inability to withstand temperature extremes and a lot of stress.
If you choose this type of screwdriver, batteries, before using it must fully discharge, and after that - until the end of charge.These actions will help extend the life of the element.
Today, the most popular screwdrivers with nickel-metal hydride battery.This type is most often encountered in instruments manufactured in Europe.Widespread received this kind of battery because of its environmental purity.
Which battery screwdriver choose, you decide.Rate before buying the pros and cons of each type of battery, and is determined by a suitable model.
capacity and the battery voltage
How to choose a screwdriver that he was the most effective?To do this is to get acquainted with such characteristics as the battery capacity.At higher values of this index tool can be completed within one cycle of charging and discharging the largest amount of work.
also important cell voltage, measured in volts.If you do not know how to choose a good screwdriver, then listen to the opinions of experts.Pick up for the homework model with a higher voltage.It will be quite a powerful tool.
Indicators torque and speed
How to choose an electric screwdriver, which will be the chief assistant to his master?Note the presence of the sleeve to lock the tool during high load.This is called the maximum torque, which is triggered by 5-10 Nm.The option does not prevent twisting tight anchors and creates the conditions for the security of the engine at high loads.This threshold will allow to work with steel and concrete, as well as to make a hole large diameter.
Those screwdrivers that have high torque, estimated by experts as universal.Without much trouble, this tool will work with the screws and drill solids.
When choosing a model you need to pay attention not only on the torque.It is also necessary to evaluate the operation of the engine at high load and how well he is able to keep pace.
When selecting screwdriver many beginners, amateurs make the same mistake of searching for a model with a very high speed.But do not chase the maximum values of these parameters.For screwing screws rather than five hundred rev / min, and drilling - three hundred thousand.High speed tool is needed only when using the hardest material.
Experts recommend to buy such models screwdrivers, which can adjust the speed of the motor.When you purchase it is important to pay attention to the presence of options backstop.It will easily get stuck drill or screw tightly wound.
Tool Manufacturers
potential buyer will certainly ask the following question: "Which company to choose the battery screwdriver?" And there is nothing surprising.As with buying any device, it all depends on the manufacturer.
Quite good simple screwdrivers to perform domestic work are issued by companies Bosch, Hammer and Hitachi.Which firms screwdriver to choose if you are interested in a professional model?Good units pleases its customers the company Dewalt.This tool has a favorable ratio of quality and price.
However, it is worth considering the fact that the popularity of the brand increases the cost of production by almost half.Those who are not ready to allocate a significant amount for the acquisition of the screwdriver, experts recommend pay attention to the less popular but well-established firms.This, for example, Makita.
