What you need for a screwdriver. Correct use of the screwdriver

This article is intended for those people who have very little knowledge of the use of construction tools.
We think that a fairly large number of people begin acquaintance with construction tools by purchasing, and only then they begin to figure out how to work with this tool. In addition, there will certainly be teenagers or women among the readers of this article who generally have no idea what a screwdriver is and what can be done with it. So for them we decided to write this article.

So let's continue ...

To begin with, in general terms, let's talk about what a screwdriver is. Firstly, they can be divided into two large classes: battery and mains powered. The effectiveness of these tools depends directly on the brand of the tool, but the rechargeable ones do not depend on the availability of an outlet and the length of the wire.

For a home craftsman, it is best to choose a cordless tool - it is more convenient and practical. Let's start with him.

Usually, cordless screwdrivers are sold in cases, which, in addition to the tool itself, include a pair of batteries and a charger. When buying, it is best to check the completeness of the tool and its performance right in the store. It is necessary to understand that the screwdriver is delivered from the factory uncharged, therefore, having brought it home, it is imperative to first charge the batteries using a charger.

After that, we insert one of the batteries into the tool and it is almost ready for use. For work, we still need to insert another element into the chuck - the necessary bit or drill. You can buy a set of bits and drills in the store, or you can purchase them separately, similarly for drills.

Modern screwdrivers, except maybe low-power models, have the function of drilling and hammer drilling, so with their help you can also drill holes in metal and wood, as well as in concrete and brick.

Before using the screwdriver, it is necessary to check the integrity of the tool. There should be no mechanical damage such as dents and cracks on the case and batteries. Do not operate the tool with such damage.

Drilling metal and wood with a screwdriver

In order to make a hole in metal or wood, it is necessary to put a corresponding drill into the chuck. For wood, if necessary, a drill for metal is also suitable. After that, you need to set the desired mode - drilling. This is done using the rotary part of the tool, located immediately behind the screwdriver chuck. On the markings located on the screwdriver body, find the image of the drill and align the rotary part (arrow) with its image. In this case, the screwdriver will switch to electric drill mode. This mode should be used with caution. The fact is that the so-called ratchet is disabled for the tool (protection of the engine from excessive force on the shaft). If the drill gets stuck, the engine could burn out.

Next, we attach the drill to the drilling point and press the start button. During drilling, it is important to keep the screwdriver perpendicular to the drilling axis. Misalignment of the drill, especially in hard material, may break off the drill. We drill harder materials at low speeds, and soft ones, such as wood, at higher speeds. By the way, if the screwdriver has a speed switch button (usually two speeds), then it is best to drill at the second speed. In the process of drilling, we control the pressure force ourselves. Unfortunately, it is difficult to explain this in words, so you can determine this parameter in the course of practice.

Drilling concrete and stone with a screwdriver

To drill holes in concrete and stone, we need a special drill with a victorious tip. Usually everyone uses a drill with a diameter of 6 mm, which fits most plastic dowels for self-tapping screws. You should not take a thicker drill - it's just that the power of the screwdriver is not intended for this - a puncher is needed here.

Before drilling, we transfer the screwdriver to the drilling mode with a break, similar to that described above. To do this, match the directional arrow with the image of a cut-off drill or a drill and a hammer (depending on the brand of the tool). As in the previous case, hold the tool perpendicular to the drilling axis. It is not necessary to press very hard on the tool during the drilling process, although it should be sufficient to gradually deepen the drill. We periodically release the pressure and even remove the drill from the hole to remove the drilling products (dust).

Tightening screws, screws and bolts with a screwdriver

And finally, we came to the main purpose of screwdrivers - screwdriving (from which its name follows). Each screwdriver (on the rotary part) has a number of numbers around the circumference: 1, 2, 4, 6, 8, etc. They represent the pull-in torque in newtons. The thicker the screw or self-tapping screw and the harder the material in which it is wrapped, this figure should be larger. To wrap, for example, roofing screws into metal, an effort of 12 - 14 N is usually sufficient.

To screw standard screws into wood, 8 N is enough. Again, this force is selected individually for each type of screws and base material. It is better to start twisting a new type of self-tapping screws to set the value of the effort less, then you can add effort and tighten. But if you immediately put a lot of effort, then you can twist the self-tapping screw, which will lead to breaking off the head of the self-tapping screw, or twisting (the self-tapping screw or screw will push the material to be fixed).

You will need a variety of bits, depending on the screw head or screw. For standard self-tapping screws, the PZ2 bit, for small self-tapping screws, the PZ1 bit, but for roofing screws, the head is 8 mm. Also, using a screwdriver is very convenient to assemble cabinet furniture. If you have a bit for confirmation (Euro screw), then the speed of assembling furniture will increase several times. In addition, it will do without mazole on the fingers from manually twisting a large number of confirmations.

The screwdriving mode for self-tapping screws and screws has one very good property. If the base material is too hard and the screw gets stuck during tightening, a so-called ratchet will work. A special mechanism will stop the transmission of rotation from the motor to the bit, which will prevent damage to it. All this is accompanied by a characteristic crackle. You should not be afraid of him.

By the way, in the twisting mode, you can easily drill a tree without changing the mode, the drill goes through quite easily. If the effort on the tool is not enough to tighten the self-tapping screw into a hard material, experienced craftsmen switch the screwdriver to drilling mode and hold out the self-tapping screw. But we do not recommend doing this, since you can simply burn the electric motor without the necessary experience.

During tightening, it is necessary to press the bit against the head of the self-tapping screw with sufficient force so that the bit does not slip. If edge slippage occurs, the bits are licked off and it fails.

At the end of the article, we note that it is best to store the electric screwdriver in a dry, heated room. Due to moisture, the contacts of the tool will oxidize and it may fail. It is necessary to store the batteries of the screwdriver in a charged state. This way they will last much longer. If the batteries no longer hold a charge, you can always order new ones at service centers.

We hope our instructions helped you in your work and was useful.

Screwdriver - a tool with which you can quickly screw in fasteners (screws, self-tapping screws, screws); It is used to assemble furniture, hang shelves, drill holes, and install a suspended ceiling or batten. To understand how to use a screwdriver correctly, you should learn more about how it works, what work can be done with it.

Types of screwdriver

Modern devices are divided into subspecies, which differ in functionality.

Exists:

screwdrivers, with which you can only tighten fasteners;
wrenches used for tightening hexagons;
cordless screwdrivers - the least powerful basic tools;
drills, also used for drilling holes.

By the type of power supply, the devices can be rechargeable or powered by the mains. The former are considered more convenient, since they allow you to work away from outlets, including on the street.

Screwdrivers can be with a key chuck for fastening the drill or quick-clamping.

Tool selection

The most important indicators to look out for when buying are the rotational speed and power of the screwdriver.

The rotation speed affects the functionality of the device. For tightening or unscrewing fasteners, tools whose speed does not exceed 350 rpm are suitable. For drilling, you will need devices whose rotation speed is greater than or equal to 1000 revolutions.

If you plan to purchase a cordless screwdriver, you should find out its type. The most common devices are those with lithium-ion cells, which are characterized by a long service life. It is recommended to choose them if the device will be used frequently.

If work using a screwdriver is rare, a nickel-cadmium element is more suitable - they are cheaper, not as prone to self-discharge as lithium-ion ones. For purely home use, network-powered devices are also suitable.

Additional parameters that will make working with the screwdriver easier and more convenient:

illumination of the working area;
a torque boost used to sink the fastener heads;
impact mechanism;
increase in rotation speed.

Design

The tool consists of a housing containing a motor and a gear mechanism; chuck (clamp for replaceable drills); battery or cord to connect the device to the mains.

Preparation for work

Before using the screwdriver, you need to choose a nozzle that fits in size to the head of the fastener. For installation in a tool with a keyless chuck, the nozzle is pushed between the cams, the sleeve is turned clockwise. To fix the nozzle in the device with a key cartridge, the key nozzle is inserted into the socket, turned clockwise until it is fixed.

The device equipped with a rechargeable battery must be charged, and the mains-powered device must be plugged into a power outlet.

To make sure that the screwdriver is working properly, first turn it on with no load. See if the direction of rotation of the nozzle matches the direction of the thread of the fastener.

Screwing in and out fasteners

Instructions for using the device are simple:

The tip of the nozzle is inserted into the slot of a self-tapping screw or screw, and the device is turned on.
To increase or decrease the twisting speed, increase or decrease the pressure on the start button.
When the self-tapping screw is tightened, the force limiting mechanism will automatically work, after which the work will stop.
To unscrew the screw, the nozzle is placed in the slot, after setting the lever for the direction of rotation of the nozzle in the opposite direction.

Features of operation

Incorrect operation and breakdowns may occur after switching the operating modes of the tool during the rotation of the chuck. To prevent this from happening, it is recommended to perform all operations only after turning off the screwdriver and completely stopping the engine.

It is also necessary to correctly select the torque of the device, taking into account the hardness of the material with which they work:

Fiberboard and drywall. To screw the screws into these materials, use 1-4 modes.
Hardwood. The control ring is moved to the maximum value.

Important! It is better to set a lower torque value than required. If you select an overestimated value after tightening the self-tapping screw, the screwdriver chuck will continue to rotate, and will not stop as expected. The slot will be damaged.

You can only use a screwdriver like a drill for a short time. If you use a tool that is not designed for drilling for a long time, the motor may overheat and damage the device.

Safety regulations

Do not allow moisture, sand and construction dust to enter the inside of the tool.
The room in which the work takes place must have high-quality lighting. In the event that a screwdriver powered by electricity is used, you should make sure that the network is stable, there are no voltage drops.
Switching between operating modes is carried out only when the tool engine is completely stopped, in the off state.
If the tool starts to work with effort, the speed is reduced or turned off for a while.
Do not touch grounded objects with the device: the worker may be electrocuted.
In order for the screwdriver to work properly, the chuck is regularly lubricated and cleaned of dirt.

Knowing how to use a screwdriver correctly, you can avoid the common mistakes of beginners, which significantly reduce the service life of the device and sometimes lead to complete failure of the tool.

stroypomochnik.ru

How to use a screwdriver?

It often happens that you can't do without a screwdriver. The screwdriver is an indispensable assistant in the manufacture of false ceilings, installation of drywall. Repair work is complicated if there is no screwdriver at hand with which you can easily tighten screws and fasteners. In the domestic sphere, it is in demand no less than in professional activity.

However, not all tool owners know how to use a screwdriver correctly. There is nothing difficult in this, the main thing is to adhere to some rules and recommendations for beginners.

Tool varieties: characteristic features

The screwdriver can be classified into the following varieties:

Drill driver
Wrench
Cordless screwdriver
Standard screwdriver

The principle of operation of the tools is similar to each other, but there are still differences in functionality.

The drill-driver is able not only to tighten the screw, but also to drill a hole. The impact wrench is specialized in bolts and nuts. The third representative is a cordless screwdriver, designed exclusively for tightening / unscrewing fasteners with a cross head. The latter type is characterized by low power, in contrast to the above.

What does a screwdriver consist of? Setting up the device.

In the plastic case there is an engine and a gear mechanism that drives the bit, which is installed at the end of the screwdriver. The device is provided with a start toggle switch, a direction and speed switch, a diode illumination and a tightening time regulator.

The operating principle of the tool is very simple. The nozzle, previously fixed in the chuck, moves with the help of a shaft, which begins to move from the operation of the motor through a gearbox. Before using the screwdriver, you should find out if the battery is charged and if the correct attachment is installed.

Immediately before doing the work, you need to look at such a nozzle so that it matches the head of a self-tapping screw or screw.

To install the desired nozzle, select it according to the size of the fastener head and fix it in the magnetic chuck holder. First, the cartridge with the coupling must be removed from the device, and after fixing the bit, the cartridge must again be fixed to the screwdriver body.

Then you need to assign a suitable bit rate. The adjustment is carried out by means of a special regulator. The required mode is set in the off state of the instrument.

Before using the power tool, it is necessary to correct the screw-in depth of the fastening element. After some time, it may be necessary to replace the magnetic holder. To change it, the cartridge, magnetic mount and coupling are removed. Further, the cartridge with the coupling is fixed back into the screwdriver block housing.

How to change / insert / remove the nozzle (bit), drill + (Video)

After the desired nozzle (bit) for the drill has been selected, taking into account the size of the screw head and the configuration of the recesses (straight, cross), it must be installed in the very center between the open cams, and fixed in the chuck by turning the sleeve clockwise. If a key type chuck is selected, then the key is installed in the recess on the chuck, and then rotated hourly until the attachment is secured. The end of the bit fits into the groove in the screw. Before starting the device, check the accuracy of setting the direction of rotation, the direction should coincide with the screw.

Increasing the pressure on the start button regulates the optimum rotation speed. When the screw is fully immersed, the force limiting mechanic is activated and then the drill stops.

https://youtu.be/k0e8dkxPB6E

How to work with a screwdriver + (Video)

After completing all the settings, you can start using the power tool. Having studied the operating instructions for the screwdriver, you can prevent possible malfunctions during the handling of the device, thereby increasing the service life of the tool.

It is not allowed to adjust the frequency and direction of rotation of the nozzle when the device is on. Do not touch grounded objects with the power tool, otherwise a person may be electrocuted. Do not use the device for a long time, as it may burn out.

The room in which it is best to use the screwdriver should be well lit, and the power supply constant, without surges, this will avoid equipment malfunctions. Work should take place in specialized clothing and only with serviceable tools.

Can you use a drill as a screwdriver

The screwdriver can also be used as a drill. The chuck mechanism makes it possible to firmly fix the drill with a cylindrical tail. To get started, you need to install a drill in the chuck.

Be careful as the structure is not designed for making holes, especially for hard wood, metal or concrete, because there is a high probability of failure of the planetary gear.

Screwdriver maintenance + (Video)

There is nothing remarkable in service, since today modern models have increased strength and withstand even falls from low heights. The cartridge should be lubricated and cleaned regularly. Avoid getting moisture, dirt, sand in the middle of the tool. Watch out for overloading the screwdriver, if you feel that the screwdriver starts to work with effort, reduce the speed.

instrument-blog.ru

How to use a screwdriver correctly: select and insert a bit, decrease or increase the speed, use the tool as a drill + video

The device and purpose of the power tool

The screwdriver is used for twisting and unscrewing various fasteners. The tool can be used for tapping and drilling. It greatly facilitates and speeds up the work. Screwdrivers are used in everyday life, construction, furniture assembly, in car repair shops, wherever you need to work with a lot of fasteners.

The screwdriver can be cordless and mains

The main elements of the screwdriver:

Cartridge.
Torque adjustment clutch.
Speed shifter.
The motor is in the screwdriver body.
The gearbox is enclosed in the tool body.
Reverse switch.
Power button.
The handle is rubberized to eliminate slipping.
Battery.
Power cord.

Screwdrivers are powered by batteries or mains.

Types of bits for a screwdriver: how to choose

To choose the right attachments, you need to study their varieties. First determine the shank shape type and diameter. It comes in from 1/4 to 1 inch.

Shank classification:

basic;
special;
combined.

Basic bit types:

Kinds of special bits:

Combined bits have two types of shank shapes or one, but different sizes. For example, splined shank and sprocket.

Combination nozzle example

Splined shank and sprocket

Determine the bit length you need to work. It ranges from 10 to 200 mm.

Depending on the shape of the shank, the bits have a certain marking:

Sl (Slot) - slotted;
Ph (Philips) - universal cruciform;
Pz (Pozidrive) - cruciform with additional thin ribs;
T (Torx hole) - asterisks;
H (Hex) - hex.

An important characteristic is the steel grade from which the bat is made. The attachment may have a protective coating. The strength of the equipment depends on this. The main types of steel and coatings that should be preferred:

The attachments differ depending on the purpose:

twisting and unscrewing;
drilling;
riveting;
polishing;
milling.

Considering all the parameters discussed, you can easily select the necessary bits.

How to work with attachments

Different cartridges are installed in screwdrivers. Let's consider how to change the attachment in all types.

Magnetization and hardening of nozzles

A large number of nozzles are made in China from a soft material. Therefore, they quickly lose their shape. The new beat doesn't last long. To prolong the life, the bit must be hardened. You will need: machine oil, a gas burner or gas stove, a small container for oil from any tin can, a piece of steel wire.

A hardened bit will last longer than a normal bit.

Video: bit hardening with oil

For the convenience of work, especially in hard-to-reach places, the attachments are magnetized. This can be done in several ways.

Method 1

You will need to purchase a special screwdriver. Insert the bat there. A square window magnetizes, and a stepped window - vice versa.

Device for magnetizing and demagnetizing

Method 2

Method 3

Video: magnetizing tips with a magnet

Method 4

As a result, the attachment will magnetize the fastener better than a new attachment.

Video: magnetizing bits with neodymium magnets

After purchasing a screwdriver, follow the simple guidelines for use. And then the tool will work for a long time and efficiently:

turn off the screwdriver before connecting and removing the battery;
do not bring the tool to overheating, take breaks;
adjust the torque adjustment clutch correctly;
after applying high speeds, set the minimum and turn the engine idle for a few minutes to cool it down;
check the cable of the mains screwdriver, and for the battery - the mains lead of the charger. If the tool or charger periodically loses the network, then the wire must be replaced;
do not use the screwdriver in rain or snow. In a humid environment, you can only work under a canopy.

How to adjust RPM and effort

The rotation speed is changed by a switch, which is located on the screwdriver body. High speed is used for large bolts and self-tapping screws, and for drilling, if available.

Speed shifter

Many models have a force limiting clutch. Its presence in a power tool can be identified by a rotating ring with numbers. Some users do not understand the meaning of the clutch and do not touch it. Using a ratchet, you can adjust the screw-in depth of the self-tapping screw. In a material that is too soft, the head of the fastener is easily recessed and can go through. When using small fasteners, very high torques can destroy them. The ratchet prevents shearing of the slot at the self-tapping screws and wear of the screwdriver bits. To determine the desired value on the adjusting ring, make several passes, starting from the minimum. The maximum torque is used for the drilling mode. But only if there is such a function.

Force limiting clutch

The start button also controls the rotation speed, but not more than the one set by the switch. Let's say you put the switch on the first speed, which is declared up to 800 rpm. When the trigger is pulled to the maximum, the speed will not rise higher. And the torque in the maximum mode will be low, that is, you will not be able to tighten large self-tapping screws and drill. And if you set the switch to maximum speed, you can drill and the RPM will be much higher.

Adjust speed, torque and reverse when the tool is off.

Tool use cases

A screwdriver can not only twist and unscrew fasteners. So that the tool does not stale, it can be used in a variety of ways.

Is it possible to use a screwdriver as a drill

Drilling with a screwdriver is possible only if this mode is provided by the manufacturer. Then drilling is safe. Read the instructions carefully. On the sleeve, this is the last position or the drill icon.

Drilling mode designation

In screwdrivers with a drilling function, a keyless or key chuck is installed. A magnetic or snap-in chuck will not be able to hold the drill and ensure safe operation. To replace the equipment, do the following:

Other application

Using various attachments, the tool can perform the following work:

There are many more uses for this tool. But remember to work with goggles and gloves.

Care and storage

regularly disassemble and clean the internal elements of the screwdriver from carbon deposits, dust and dirt;
if unstable operation occurs, carry out diagnostics. Check the wear of the brushes so that you do not have to change the engine armature;
do not leave the instrument in high humidity rooms or under the sun. The same goes for the battery;
keep the battery away from keys, coins, or other short metal objects. Accidental contact with the poles will short-circuit the battery. This could result in a fire;
at the end of the day, take a clean rag and wipe down the tool. The cloth can be slightly moistened with water without using detergents;
you need to store the screwdriver in a dry environment with a positive temperature. Use a case or other packaging to keep the instrument free of dust.

Work with a screwdriver, observing the safety precautions and the rules described in the instructions. Choose the right rig. And then the tool will serve you for a long time.

postroika.biz

Instructions: how to use a screwdriver

The word "screwdriver" is present even in the vocabulary of kindergarten kids. Trying on a construction helmet and taking toy tools, they begin to get acquainted with their purpose. Even children understand that they cannot do without a screwdriver if, for example, they need to hang a picture in the room or replace a damaged door lock. But how to use a screwdriver, not everyone and an adult knows.

The screwdriver is used in work on wood, metal, as well as when it is necessary to prepare a small hole in a concrete wall, but if larger-scale work is coming, it is better to use a drill or a hammer drill.

Screwdriver and drill: subtleties of the difference

The presence of the plug indicates the drill, and the battery indicates the screwdriver. Typically, this is the answer given by ordinary people when they are asked about the distinguishing criteria of these tools. It is incomplete and not entirely correct, since you can use a screwdriver by connecting it to the mains.

Those who are more attentive, have seen and used this tool, indicate a quick termination of its work - immediately by pressing the corresponding button. The reason is the run-out brake, which the drill does not have. Even when turned off, the chuck still moves and may damage the screw.

The screwdriver has a quick-release chuck and a torque regulator. By setting the latter to the maximum position, the screwdriver used becomes a drill.

As a customer, you need to appreciate the usability of the tool. It's not bad if it has a fastening loop. This little tool should be used when the tool is not in use.

Diagram of a screwdriver device.

How to use the screwdriver can be read in the instructions supplied with it. But even more fundamental will be the decision to diligently study the device of this device and only then, following the recommendations, to assemble it accurately. For example, a screwdriver chuck after replacement must be securely fastened with a special screw. If there is an error, then already during the starting start, it can jump off the shaft, making rotational movements. Then you will have to correct this trouble or even contact a traumatologist.

In addition, when assembling the tool, you need to be careful with the electric motor. An incorrectly installed switch and more than necessary, pinched wires threaten to break the screwdriver.

When purchasing a rechargeable device, you need to know: the first time the battery can be charged up to twelve hours.

If there is a desire to test this apparatus, using it as a drill, then high revolutions are necessary. That is why in this case it is necessary to use a screwdriver for a short time. Alternatively, a different method is used: decreasing the rotational speed.

The right attachment for effective results

Diagram of nozzles for a screwdriver.

Which nozzle to choose in order to complete the task most efficiently, you need to think in advance. You need to work with wooden materials, but they took a drill for metal - the result can upset the initiator of the repair. It happens that the drill has to be replaced. The screwdriver can be used when you need to prepare a small depression in a wall made of concrete. But if global work is coming, then it is worth using an impact drill. A puncher will also come in handy here.

If you buy special nozzles (bits) are inexpensive, then bolts, nuts and self-tapping screws can be tightened not very well. Usually on cheap models there is no work notch located on the work area. The material from which the bits are made must be durable. Otherwise, such an unpleasant situation will develop: you do not use the tool for a long time, but you turned it slightly incorrectly - and you found the sharpened edges. The way out is to replace the nozzle.

Choosing bits, you do not need to save on their additional properties (magnetic), which have their advantages when working in hard-to-reach areas.

After selecting a beat, you need to tune the instrument correctly. In this regard, it is necessary to understand how the change in the course of rotation of the spindle occurs: here they pay attention to the switch.

The exact depth to which the self-tapping screw is required to be wrapped is corrected using a cartridge.

The screwdriver needs breaks

In order for the screwdriver to serve the owner long enough, it is necessary to use it correctly and remember: when loading the mechanical parts of this construction tool to the maximum, you should not count on prolonged and at the same time effective work. If the electric motor is running at maximum speed, it can overheat and lead to faults in the winding. Special nozzles also have a hard time: in contact with materials intended for processing, they heat up. That is why experts recommend taking periodic breaks to cool the drill. This problem should not be solved with the help of water: sudden changes in temperature indicators are undesirable.

The compilers of the instructions for the tool warn: correct the course of rotation of the bit, its frequency is prohibited if the screwdriver is turned on. Where this device is to be used, adequate lighting and a stable electrical network are required.

You must be careful if there are grounded objects nearby. It is strictly forbidden to touch them with a screwdriver, an electric shock will not be pleasant to anyone. Defending himself, a person must take good care of the instrument. For example, it is necessary to ensure that moisture does not threaten the housing.

Use the screwdriver with care. Making holes in a concrete surface is easy, but you shouldn't be neglectful of your lungs and bronchi. Without special protection (here this role is played by a respirator), it is better not to undertake this repair operation. Glasses will also not interfere, which will prevent small foreign particles from entering the sensitive area of the eye.

In the modern world, this hand tool is very often used on the farm. But not everyone knows how to use a screwdriver correctly. In order for the tool to work without failures, it is necessary to adhere to the established rules during its operation.

Types of screwdrivers

The screwdriver can be networked - it works when connected to the network, and sometimes it is rechargeable. Based on this, several types of tools are distinguished:

a tool of the usual type;
a device for loosening or for tightening nut fasteners (wrench);
an electrical appliance for unscrewing screws or self-tapping screws (drill-screwdriver);
cordless screwdriver.

All types of screwdrivers are similar in principle to each other. Their difference lies in their purpose and functions. In addition to the basic functions, each of the listed tools can be used to perform other tasks.

The drill-driver is used when it is necessary to make a hole in the surface. Bolts and nuts can be easily unscrewed and tightened using a wrench. If you need to remove a fastener with a cross on the caps, use a cordless screwdriver. Compared to others, such a screwdriver is low-power.

Their use in everyday life simplifies the work with fasteners, and much less time is spent on such actions.

How to set up a screwdriver before use?

The screwdriver has a simple design. The motor is integrated in the plastic housing. There is a bit at the end of the device. In order for this structural element to start, a gear mechanism is used. In addition to these parts, the screwdriver mechanism includes other working parts:

toggle switch;
a switch that changes the direction and speed of movement;
diode backlight;
part that regulates the tightening torque.

Before starting the mechanism, you must carefully check whether the battery is charged. The ideal option is to have an additional one with you. Then you can continue to work, changing one for the other. During this time, a dead battery will have time to charge. After connecting to the power supply, the device is checked in idle operation.

Then it is clarified whether the nozzle is correctly selected, which is selected in accordance with the size of the fastener head. Insert it into the special chuck holder.

In order for the nozzle to sit tightly in the holder, the cartridge and the sleeve are removed. After final installation, the cartridge must be attached to the body.

The next step is to set the bit speed. For this purpose, a frequency regulator is built into the screwdriver. Adjust rotation before starting operation. The torque value is selected according to the hardness of the material to be processed. If it is not known exactly what moment is better to set, then your choice should be stopped at an underestimated value. With the help of the regulator, you can change the direction of movement of the bit. Next, the depth to which the fasteners will be screwed is adjusted.

In the event of a breakdown of the magnetic holder, it can be replaced with a valid one. To do this, remove the cartridge and coupling, remove the holder, install a replacement. Once the new part is in place, the chuck and sleeve are returned to the body.

Precautions when using the tool

The equipment is ready for operation only after all adjustments have been made. The device is connected to the mains or a battery is attached to it. You can turn on the tool and perform the actions for which the selected screwdriver is intended.

In order for the service life to be as long as possible, all the previous rules must be followed strictly. The quality of the work performed will be much higher when all the adjustment points are completed. In addition, much less time will be spent on work.

Under no circumstances should you change the settings in the work equipment. Liquid or any other moisture must not enter the housing. The lighting during the operation of the device must be good. If there are voltage drops in the network, it is better not to use a screwdriver (this rule only applies to equipment that is powered by the network).

Make sure that the device does not touch grounded objects. Otherwise, the master is in danger of electric shock. The working mechanism should not overheat, therefore it is advisable to take pauses to cool down. Working non-stop, one of the parts may burn out.

Before using it, be sure to read the attached instructions. If the tool is defective, it is better not to take it into work. During work, protect yourself from damage using special clothing.

Thus, the device is quite simple in principle of operation and construction. But many craftsmen use the tool, making many mistakes, which subsequently reduces the service life, and the work is performed poorly.

So that during operation there are no accidents, and the master is not injured, all safety rules must be observed. Compliance with these rules is within the power of every master, even a beginner.

You can choose the right equipment without leaving your home. It is enough to go to the page of the Interskol online store. The company is the market leader in the sale of electrical tools. Interskol products attract buyers with a low price and excellent quality.

What is a screwdriver? In fact, this is the same drill, but the screwdriver differs from it in that it has a lower rotation speed of the chuck and, at the same time, more torque.

Another difference is that if on a drill the rotation speed can change smoothly, then on a screwdriver, as a rule, "fixed" rotation speeds of the chuck are set. This is due to the "slip" function of the screwdriver chuck: when the screw is tightened, the chuck stops rotating, although the engine is still running. This function allows you not to rip off the slots and not "drive" the screw inside.

Different types of speeds are designed for specific types of work and materials, as well as the "drilling" mode. Just like a drill, the screwdriver has a reverse function. The design features of the screwdriver allow them to perform a wide range of work: tightening and unscrewing screws and self-tapping screws, screws and nuts, drilling soft materials.

The use of a screwdriver, for example, in the production of plasterboard partitions or when assembling furniture, increases the speed of work at times. Therefore, the screwdriver is rightfully considered one of the most common tools in the kit of any master.

The designs of all screwdrivers are approximately the same. They are light enough and have a pistol grip designed for one-handed operation.

Youtube How to insert a bit into a screwdriver correctly?

The start key is designed in such a way as to adjust the rotation speed by pressing force.

An important element of a screwdriver is its power source. If the drills are produced in modifications both with a mains supply and in an autonomous (battery) version, then screwdrivers, due to the peculiarities of their application, are almost exclusively battery-powered. The battery is the heaviest and most expensive part of a screwdriver.

Household models of screwdrivers are usually equipped with nickel-cadmium (designated "Ni-Cd"), and more expensive professional ones - with lithium-ion ("Li-Ion") batteries. Their difference lies in the fact that nickel-cadmium ones have a shorter service life (about 1000 recharges), and also have one unpleasant feature: if the battery is not completely discharged, its capacity decreases during subsequent charging.

But whatever the battery, its capacity is limited by the weight of the tool. Therefore, even the most expensive models of screwdrivers are able to work continuously for no more than a few hours. Some manufacturers solve this problem by adding a second spare battery to the screwdriver kit. However, this significantly increases the cost of the instrument. The battery is being charged from a regular network. The charging speed again depends on the model and can be from 2-3 to 6 hours, although some models of screwdrivers provide for a "quick" charge in 10-15 minutes.

Work rules

Working with a screwdriver is easy. In the jaws of the chuck, the nozzle necessary for operation is clamped ("bit", or a wrench, or a drill), and, with some effort pressing the screwdriver, pressing the button rotates the chuck. If it is necessary to unscrew the screw or pull out the drill, the "reverse" is activated. When working, you should follow several rules:

Fully charge the screwdriver before using it. In this case, strictly follow the instructions for charging time - "overexposure" of the battery in the charger will reduce its service life.
When working, correctly select the mode of "screwing" or "drilling" - this way you will protect the motor and gearbox of the screwdriver from damage.
Remember that the screwdriver is not designed for drilling in stone or concrete.
Try not to throw or drop the screwdriver - this is a rather fragile tool.
Keep the screwdriver clean - remember that fine dust and dirt particles act as an abrasive in the rubbing parts, and the screwdriver elements fail faster.
Now you have a general idea of what a screwdriver is and how to work with a screwdriver. It's time to pick up the instrument and create!

03/23/2013 at 14:03

Cordless drill / driver

Cordless drill / driver Bosch PSR 18 Li-2.

A fairly simple screwdriver for home use, the main advantage of the device is a universal lithium battery, suitable for jigsaw and delta grinder.

The weight of the screwdriver with the battery is 1.3 kg. That is, it is not heavy, but not light either. At the same time, the maximum torque is 46N * m, which is not very bad.

The speed is regulated, as in most other screwdrivers and drills - with a button. Also, as standard, a switch for the direction of rotation of the chuck is located next to it.

The screwdriver has a standard three-jaw keyless chuck. The maximum diameter of the drill shank that can be clamped into this chuck is 10mm.

The manufacturer does not recommend using this screwdriver for drilling large holes: more than 10mm in steel, more than 35mm in wood.

To fix the bit or drill in the keyless chuck of the screwdriver, it is enough to fix the chuck with your hand and turn on the screwdriver at high speed.

How to work with a screwdriver

And the chuck will clamp the drill by itself.

To remove the drill or bit, you need to switch the screwdriver to reverse, fix the chuck and turn on the screwdriver: the cams will open and release the drill or bit.

Standard in screwdrivers, the torque limiting clutch. At the top of the case, opposite the cartridge, there is an arrow that indicates the number. The larger the number, the more torque the clutch can withstand without shutting down. In total, the clutch has 10 positions with different torque settings, plus a drill mode. Drill mode? which is labeled "DRILL", the torque limiting clutch is disengaged. And with the help of a screwdriver, you can already drill.

This screwdriver has two speed ranges from 0 to 400 rpm and from 0 to 1340 rpm. The speed can be switched with the red slide switch at the top of the screwdriver, in the "back" position, the screwdriver works at first - low speed. If the engine is moved forward, the second speed is activated. In addition, the speed number can be seen in the window next to the switch.

A convenient option for a beginner is an indicator of the direction of rotation: two triangles in the upper part of the device will help determine in which mode the screwdriver is operating: an arrow forward means that the chuck rotates clockwise and accordingly turns the screw, if the arrow lights up backwards, the chuck rotates counterclockwise and removes the screw.

The screwdriver has an indicator showing the state of charge of the battery.

And next to it there is a POWERLIGHT backlight, which will help a lot when working in poorly lit places.

We drill a wooden block in the "drill" mode, i.e. with the clutch disconnected. For a relatively thin drill, you can turn on the second speed.

To screw in a screw, you need to choose a bit that is suitable for this type of screw.
The main types of splines, in the photo from left to right:

1) phillips,
2) posidrive,
3) straight,
4) star-shaped (torx),
5) hex (hex).

In addition to the shape, the slots differ in size and for each slot size of a screw or screw, you need to take a bit of the right size.

So, the desired bit is selected and clamped in the chuck, but to screw in the screw, turn on the first speed and set the clutch to limit the torque. In our case, for this diameter of the screws, select the position "17".

The photo shows the result of screwing in a screw to different depths. When the screwdriver completely tightens the screw, the screwing force will increase and then the torque limiting clutch will start to work. Thanks to this, the screw will not go deeper than necessary and will not split the bar.

The lithium-ion batteries on which the battery is built are very good and you will not need to replace the batteries in the screwdriver for a long time.

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