1978 step-down transformer I found at home a 12 volt power supply used to charge batteries. It looks like this. It consists of a step-down transformer and a diode bridge (matrix) that rectifies the alternating current coming from the transformer to direct. Let’s start with it, it consists of four very powerful diodes. The brand is unknown. The only thing that was made out is “Made in the USSR”, when a short circuit occurs, the insulation on wires with a cross section of 2 mm instantly melts, and the diodes are almost cold.
Read MoreHacksaw in the economy is one of the most important tools. It’s often necessary to saw off, twist or shorten something, but a hacksaw is not always at hand. Today's homemade product is a kind of power tool designed for sawing small wooden parts. It is based on a wide sheet of metal from a hacksaw.
Read MoreA simple mobile table is a workbench that can be made for your workshop or garage. It does not require scarce materials, it is made of wood without any welding. Thanks to use of wheels easily moves to any place. For construction, I used pine boards 90 mm x35 mm, they are easy to find in a hardware store.
Read MoreMiter or electric miter box is often used by craftsmen to speed up the process of trimming various parts. He was chosen not only by large industries, but also by private workshops. After all, they can easily and quickly saw off almost any running material - wood, plastic, metal, etc. Professional pendulum saws are a very accurate tool, because this is its charm.
Read MoreBand saw is used for sawing wooden products, plywood, fiberboard and MDF. There are varieties of it that are able to dissolve logs on the board. A professional band saw is most often used in large and medium-sized industries where the speed and volume of material processing is important. But recently, it has gained popularity among home masters.
Read MoreThe work in the home workshop is diverse. Sometimes it is necessary to grind or grind some part or workpiece. But there is no grinder, and there is no grinder. A portable tool assembled practically on his lap will be able to help out in such a situation. The disc grinder offered in today's video is fully portable.
Read MoreThe eternal question: "How to make something good and high-quality from practically nothing?" I will offer you a way to make a completely high-quality backlight for your table or workbench. Such a lamp can be located both in your home and in a garage or workshop. Necessary materials It will take quite a bit, as it might seem at first glance.
Read MoreVery often, such a simple thing as a press is required at home and in a workshop. There are a lot of examples, starting from home cooking and ending with gluing two surfaces under pressure. I will show and tell you how to make a simple hand press from a car jack. In my design I will use a classic diamond-shaped jack and a wooden case for the press.
Read MoreInduction heating has a significant advantage over tenov. The main criterion here is the efficiency of converting electrical energy into heat. The article will discuss how to make a super simple induction heater from finished devices and parts. It will take you no more than two hours to build.
Read MoreModern comfortable living is somehow connected with heating. This is one of the most important communications, which is considered even at the stage of creating a development project. Central heating systems most often run on gas. But what if there is no gas line in the vicinity, but heat is needed?
Read MoreHave you ever had to make large holes in wood, plastic or ceramic tiles? The cutting tool for such diameters is hard to get. But sometimes without it, making an exact contour is almost impossible. To cope with such tasks under the power of the device, called in common people "ballerina".
Read MoreCordless screwdriver is used everywhere in workshops and households. Such a tool is appreciated for the lack of binding to a 220 V household network. It is compact, does not take up much space and is able to replace a drill in uncomplicated work, which is sometimes found around the house. In construction stores and on the market such equipment can be found in a wide range.
Read MoreNot so long ago, this miracle of Chinese industry came into our life, but immediately won hearts with its simplicity and cheapness. And its simplicity lies in the following: bought a call, turned it on, threw it on a cabinet, glued a button at the door. Everything, no wires there for you, drilling holes for fastenings, etc.
Read MoreA folding aluminum staircase in a hardware store in my city is not cheap. Therefore, I decided to take this master class to make a staircase made of wood, which will be almost as good as purchased, and maybe even better. In any case, it is not as difficult as it may seem, and the money saved is worth it.
Read MoreA very useful and simple little thing can be done for your workshop in just a few minutes - this is a clamp from a piece of profile. With it, you can fix workpieces from both metal and wood. So if you suddenly needed to clamp the workpiece in several places, it will not be difficult to make several clamps for such work.
Read MoreA very convenient, manual belt sander from a grinder can be made with your own hands. With the help of such a tool, it is good to sharpen an ax, knives, etc. To process a surface at any angle, giving it an even plane. In general, those who work with iron or wood will appreciate this mini machine.
Read MoreHi, my little blacksmiths, today we’ll talk about the main part of the forge, that is, the forge. It is in it that the workpiece is heated to the required temperature before forging, hardening, or other heat treatment operations. And our horn, by the way, is able to issue up to 1100 degrees Celsius! We will use coal as fuel.
Read MoreA large number of people use the microwave oven almost every day, in the common people a microwave. But few people know what is inside this useful thing and how it works. In this article I will talk about what a conventional microwave is made of and how it works. And here is our experimental sample that came to me for repair. A simple oven without unnecessary functions, it is easy to understand exactly how this oven works with just such an example.
Read MoreHello! Today I will show how to get 220 V from a regular single-phase network - a three-phase one, and without any special expenses. But first, I’ll talk about my problem prior to the search for such a solution. I had a Soviet powerful desktop circular saw (2 kW), which was connected to a three-phase network.
Read MoreOne of the necessary attributes of a home master is a small anvil. It is useful to anyone who likes to do everything on their own: often you need to level some piece of iron, which requires a flat and heavy surface, on which you can safely tap with a hammer or a small sledgehammer. The easiest and most affordable way to make an anvil with your own hands is to use a piece of rail.
Read MoreDecorating a house for Christmas is not only an American tradition, it is also popular with us. The most interesting thing is to do the decor with your own hands. Felt is very convenient for modeling material and it is very simple to make such holiday sweets from it. To make sweets and a cup, you will need the following tools and materials: - 3 sheets of felt of different colors: red, white, pink; - an empty tin can; - a small package of any cotton wool; - gold threads metallized; - paper or cardboard for blanks; - pencil and ruler, dry soap; - scissors of 2 types - ordinary and with rounded tips; - needles, pins; - black tape, double-sided tape or glue. Read More
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