How to make a light for an electric screwdriver. Installing the light in a cordless screwdriver

LED light in the BlackDecker EPC12CA screwdriver

Today, for sharpening kitchen knives and scissors, you can use mini-sharpening devices. They’re good at it. But for sharpening an axe, chisels and other working tools, as well as when performing a number of locksmith operations without # electric grinder can not do. # An electric screwdriver is in demand in any man’s household. It’s not very masculine to buy one, because you can to make it with your own hands

The store price of the unit starts at 2 thousand re. For saved money it’s better to buy flowers or some present for your wife.

Lighting for three thousand?

The abundance of decaying capitalism has flooded store shelves with tools that previously would not have been dreamed of. But! The darned bourgeois think that a tool for home use doesn’t need a light. It’s not for nothing that they were anathematized by the classics of Marxism-Leninism for ignoring the needs of the working people!

Professional versions of the tool are two or more times more expensive than household tools. For example, an electric jigsaw “Makita Selyaninovich” cost more than 7000 5 years ago against a domestic analogue for 4500. In addition to the backlight, it is more powerful than its smaller sibling and does not need to take a break to cool down. For home tasks, however, power and SP-100% (power on time) are not so relevant. But the lighting of the working area is very helpful, especially for figure cuts. who was fiddling with the arts in wood, he will understand. The 3,000-dollar price tag seems a bit pricey.

make, light, electric, screwdriver, installing, cordless

The principle of operation of a homemade device

Before you make a homemade nazhdalk with your own hands, you need to consider the peculiarities of its operating principle. They consist in the following points:

  • A washing machine and other common household appliances are used as the basis for the tool.
  • The basis of the construction is an electric motor, from which the rotation is transmitted. It is he who starts the device.
  • From the electric motor departs from the shaft, to which the most suitable attachments are selected. You can turn them out with your own hands if you have a lathe or milling machine.
  • An emery wheel is installed on a special attachment, which will carry out the mechanical treatment of the surface.

When power is on, motor starts rotating and transmitting rotation to the emery wheel. The principle of the emery is quite simple, so you can create it with your own hands when using improvised materials.

Backlight for power tools with your own hands

Backlighting of the area for material processing is not very common in power tools. Especially in electric assistants born in Soviet times Back then it was a blessing to be able to buy them at all. I, for example, in 1979, had to go to Moscow for an electric drill. The assortment of stores with the signboard “Electrical appliances” (as well as others) did not torture with the problem of choice, associated with a popular Georgian dish “zhrichodali!”. And the backlight avoids wandering in the dark. One could easily move the center of a future hole sideways and saw sideways.

The abundance of decaying capitalism flooded the shelves of stores tools, which previously would not have dreamed of. But! Darned bourgeois think that the tool for home use the light is not needed. It is not for nothing that they were anathematized by the classics of Marxism-Leninism for ignoring the needs of working people!

Professional versions of the tool are two or more times more expensive than household tools. For example, an electric jigsaw “Makita Selyaninovich” cost more than 7000 dollars 5 years ago against its domestic analogue for 4500 dollars. In addition to having backlight, it is more powerful than its smaller counterpart and does not need to be interrupted for cooling. But for household tasks power and 100 % PV (power on time) are not so urgent. But the backlighting of the working area is very helpful, especially for curved cuts. people, who made the outdoors with woodcarving, will understand. The backlight priced at 3000 “wooden” money seems to be too expensive.

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Electric screwdriver light.

As I described in the preface, the flashlight was a pity to throw out, and then just started home repairs and I had to somehow twist the screws behind the closet. The closet is big, it’s a thankless task to move it for the light. Head flashlight is not very handy, because the light is quite clumpy. So I decided to modify the lantern from an electric screwdriver. My first idea was to make a panel on a breadboard from diodes. Make by analogy of LED rulers, t.е. Connect 3 LEDs in series with a resistor. But this is not a constant voltage, i.e.к. The infected battery gives more than 12V, and the dead one gives less than 11V. After searching through the dead cards at work, I found a board with a step-up DC/DC.

An electric screwdriver is a more modern equivalent of a screwdriver, which requires less effort and makes the work faster and better. when choosing a tool it is important to consider that the cordless electric screwdriver is mobile, but can run out of power at the wrong moment. And the electrical should always work in the vicinity of a socket or, at the very least, an extension cord. The torque, backlight, reverse, and bits are also important.

Our top 10 screwdrivers will help determine your choice. According to buyers, it is these screwdrivers lead the ranking of the best in terms of value for money. So, the technique in 2018. 2019 pleased with the following models.

Backlight for a screwdriver with their own hands

Almost all modern repair tools are equipped with special lights. The device helps to view the area of work without special lighting devices. Especially important is such a function on screwdrivers, drills and peorators, where the accuracy of work is of great importance.

Why do you need a light in an electric screwdriver?

The principle of operation of the electric screwdriver’s backlight is embedded in the function of activation at the moment when the device itself is switched on. Backlight is a necessary arrangement of an electric screwdriver to do the job qualitatively and accurately.

If the lighting in a room is poor, limited or completely absent, then backlighting on the device itself is the ideal solution. Some craftsmen try to arm themselves with a hand flashlight or phone to improve visibility. Then the quality and speed of the basic work is lost.

Sometimes an expensive electric screwdriver with a built-in lighting system continues to work, but the lighting element itself fails. Then it is possible to return the full functionality of the device by yourself. It so happens that not enough power is already built into the LED, then you need an auxiliary mobile lighting system.

There are different concepts for installing backlighting on an electric appliance. There are more complex options that require modification of the housing and complex wiring. There are also simpler options, the implementation of which requires no effort.

How to make lighting with your own hands

Making a light for an electric screwdriver does not require special knowledge in mechanics, expensive materials and a lot of time to model. There are several simple mechanisms for implementing lights for screwdrivers. But of all the possible modifications, the simplest in implementation and mechanization can be singled out. All the necessary parts can be found in any home:

  • A simple pencil with a wooden body and a graphite rod.
  • A small electric motor from a toy car or other small appliance.
  • A rubber band, which can be purchased at any office supply store.
  • A small sized LED. You can get the part out of an old flashlight, a toy.
  • Soldering iron.
  • Glue that can withstand thermal loads.

Instructions for making the easiest light for an electric screwdriver:

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  • Saw off part of a pencil. The length of the piece should be no more than 5 centimeters. This “part” will serve as the body for the LED.
  • Take out, knock out or drill out of the wooden base rod.
  • Wires should come out of the motor, which should be pulled through a piece of empty pencil.
  • Solder the wires from the motor to the LED wires. The principle of soldering does not require the determination of phases. The motor is a kind of a voltage generator.
  • Pour some glue inside the pencil where the wires are already located and apply the substance to the body of the pencil on the side where the LED is located.
  • Before the glue dries, quickly pull the wires that connect the LED, and the motor so that the bulb is closely connected to the pencil.
  • The last step is to mount the light to the body of the electric screwdriver.
  • This procedure requires the proper placement of each element of the light mechanism:
  • At the top of the body of an electric screwdriver to apply a little glue and glue the motor. The pulley should protrude over the chuck of the electric screwdriver.
  • From below, strictly opposite the place where the motor will be located, glue a pencil with an LED. Placement relative to the cartridge is chosen individually.
  • Place the wires connecting the electric motor and the LED along the body. If necessary, fix it with duct tape or plant it with hot melt glue.
  • Put a clerical rubber band on the chuck of an electric screwdriver and the pulley of the motor.

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At the moment of operation of the electric screwdriver, the chuck will rotate, which will drive the rubber band. Element, in turn, triggers the pulley motor. The lighting system is ready. Such a device will not be inferior in quality to store devices, and costs pennies. All functions and features correspond to the factory product.

Backlight with an electric screwdriver is a must-have device that will help you do the work quickly and accurately. The cost of devices equipped with this device is quite high. To equip an electric screwdriver with a backlight you can independently, adhering to the recommendations of experts.

Most modern screwdrivers, sold in stores, are already equipped with a light that turns on automatically with the tool. But what if your screwdriver does not have this function? Of course make it yourself, the more you can do it in 10 minutes from improvised parts.

To make a backlight, we will need:

  • A simple graphite pencil.
  • A small motor from a DVD, toy or grass trimmer.
  • A clerical rubber band.
  • LED, you can solder from a flashlight or lamp.
  • Thermal glue and soldering iron

Assembly of the backlight

The first thing you need to saw off a small part of the pencil, which will serve as the body for the LED.

Then clamp the pencil in a vice and drilled the inner part, the drill can take the diameter of the graphite rod. But if you can remove the pin without drilling, that’s good too, it is so that they easily come out if you set the pencil pin against something hard and push. In this hole will be passed wires from the LED.

Backlight in an electric screwdriver

Another man’s master class. a tiphack for home handyman from Alexander Zhdanov.

Among the screwdrivers in the high price category there are screwdrivers with an illuminated working area. Sometimes it is very convenient, so it was decided to modify the screwdriver Skill 2006 AA with my own hands. At one time it was one of the cheapest screwdrivers with a battery voltage of 12 volts and a tractive force of 28 Nm.

Looking closely at the screwdriver, you will notice that the place for mounting the LED light, where it is usually put in more expensive models, is not because of the screw fixing the housing.

In the end, it was decided to install the light in the battery, and power to the LED via a switch mounted in the same battery.

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Disassembling the battery is nothing difficult: unscrew the 4 screws, remove the lower half of the housing and, gently pressing on the contacts, remove the battery banks themselves.

The LED and the button will be installed in the upper housing the battery, with the LED will be directed to the work area of the screwdriver. To install the LED and the switch, we make holes in the upper housing.

The screwdriver is ready to install the light.

Now for the illumination itself.

We will power the white LED for 3 volts from a 12 volt battery. To do this you need to install the quenching resistor. In search engine type in “choose the extinction resistor for the LED” and we brought up a whole bunch of links to online calculators. Go in on any and see something similar to this: Enter the data and get a finished calculation. At first I entered a current of 20 mA LED, but at this current was not very bright. In the end I chose a resistor with 270 Ohm resistance.

Looking for the resistor (in my hoard I found a Soviet MLT resistor, soldered out from somewhere). Then solder elements with each other, not forgetting to mark polarity of connection in any way. I had that LED stretched its leg to the button.

how to make cordless screwdriver 3.6v

After installing the button and LED fill them with thermal adhesive.

Solder the wires to the battery terminals. The plus wire is simple. there is a place for soldering, but the minus copper (or brass) contact is covered by a metal with rosin, which does not stick. Easy thing to do: scrape off this metal coating to the colored metal with a knife and solder with rosin without any problems. You can, of course, use special flux, it would be even more convenient.

So, we soldered and switched on the backlight. it works. Now assemble the battery in reverse order. As a result, we got a screwdriver with motor-independent backlighting.

In this case, the battery can now be used as a flashlight when searching for some fallen trifle.

Basic materials and tools

Working principle of the homemade device

In order to construct a homemade sandpaper, you need an electric motor, left over from the operation of old household appliances.

make, light, electric, screwdriver, installing, cordless

It is the electric motor that starts the product in operation, due to which the pre-sharpened on the lathe equipment nozzles, installed on the shaft of the engine, sufficiently clamp the emery wheel.

How to choose an electric motor

Most often masters choose as a motor an electric device left over from an old-made washing machine, such as a Volga, Sibir or Vyatka. As you know, the equipment made in Soviet times was of high quality, so the motors were also sufficiently powerful, with high rates of reversal. You could also use a switch with a manual trigger from a similar washing machine.

The main difficulty to be faced is the precise placement of the sharpening stone directly on the shaft of the motor. The shaft is not always threaded; the size of the hole in the stone may also not correspond to the size of the shaft. This can be handled by a specially milled part, which will smooth out the size discrepancy.

The maximum speed limit used in an emery is 3000 revolutions per minute. This nuance cannot be ignored, because a high frequency of rotation can cause the breaking of the sharpening stone. It is preferable to use a product with a motor from 1000 to 1500 rpm at home.

However, if you wish, you can make a stronger emery stone with your own hands, it is enough to fix a quality flange. A powerful device may be needed, not for sharpening, but for polishing different surfaces.

So, the power of a wear-resistant machine should be 400 watts, in home conditions a fixture with a power of 100-200 watts will be enough.