Industry
Graphite grease: all the secrets of the chemical
Last modified: 2025-01-24 13:01
Among the huge variety of all kinds of lubricants, graphite grease is not the last. Its application has a strictly defined area, which is due to its properties
The main consumable for welding - welding wire
Last modified: 2025-01-24 13:01
Welding wire is used in various welding operations, it is the main consumable material that acts as an electrode. Welding operations require extensive professional knowledge, a responsible approach to the choice of raw materials. For welding structures, it is unacceptable to use random wire of incomprehensible marking and unknown composition
Electronic industry of Russia. The development of the electronics industry
Last modified: 2025-06-01 07:06
The domestic electronics industry has passed its 50th anniversary. It originates in the USSR, when the formation of leading research centers and high-tech enterprises took place. There were ups and downs along the way, and oblivion
Sewer manhole: installation tips, features and specifications
Last modified: 2025-01-24 13:01
Sewer manholes are a topic of active discussion at all times. Definitely an important component of any communication system. A person is trying to build it in a private house. Not a single apartment building can do without it. But not everyone understands how to properly install the hatch. Before starting work, it is worth identifying some important features and answering a few simple questions
IL 62M aircraft: specifications, history and photos
Last modified: 2025-01-24 13:01
If the transport system is the blood of any economy in the world, then passenger transportation can be called the "plasma" of this very blood. The better, faster and better the state is able to move people across its territory, the fewer “bear corners” remain, the easier it is to establish interaction between the entire state apparatus. This was well understood in the USSR. The result of the work of many design bureaus was IL 62M
Light metal structures: photo, manufacturing and installation
Last modified: 2025-01-24 13:01
Metal as one of the most popular building materials is also of great interest in terms of technical and structural development. Its functional qualities expand the possibilities of construction and installation works, allowing the construction of objects with a combination of seemingly contradictory performance characteristics. A striking example of such materials can be called light metal structures (LMK), with the help of which low-rise technical and economic facilities are being built
Vertical wind turbines
Last modified: 2025-01-24 13:01
Currently humanity needs energy. There are several sources for obtaining this important resource. Wind turbines are one such source
Wood flour: production technology
Last modified: 2025-01-24 13:01
The article is about wood flour. The technology of its manufacture, the equipment used, the use of material, etc. are considered
Metal cutting: types of chips in OMP
Last modified: 2025-01-24 13:01
The word "shavings" is the most common concept for the Russian language. But the types of chips in the understanding of people are different. Some even ascribe edifying meaning to the shavings. After all, they say about a strict boss that he removes shavings from his subordinates. Something similar happens in the manufacture of parts: an extra layer is removed from the workpiece, obtaining the necessary product. And shavings, they are shavings - ordinary industrial waste … Although shavings sometimes inspire
Electroplating shop: description, equipment, safety requirements, harmfulness
Last modified: 2025-01-24 13:01
An electroplating shop is a rather important area in any production, however, it is characterized by high danger and harmfulness. In such workshops, it is necessary to equip good ventilation, fire safety and many other protection factors
Types of packages. Packaging of goods, its functions, types and characteristics
Last modified: 2025-01-24 13:01
Each of us knows what packaging is. But not everyone understands that it serves not only to give a presentation to the product and make it more comfortable to transport. Some types of packaging are needed solely to protect the product from mechanical damage. Others - to give an attractive appearance, etc. Let's look into this issue and consider not only the main types, but also the functions of the packages
Resource-saving technology. Industrial technologies. The latest technology
Last modified: 2025-01-24 13:01
Modern industry is developing very dynamically. In contrast to past years, this development is proceeding intensively, with the involvement of the latest scientific developments. Resource-saving technology is of great importance. This term refers to a whole system of measures aimed at a significant reduction in resource consumption, while maintaining a high level of product quality. Ideally, they try to achieve the lowest possible level of consumption of raw materials
Oil refining: basic methods
Last modified: 2025-01-24 13:01
Oil and natural gases, these unique minerals, are the main sources of hydrocarbons. Crude oil is a complex mixture of hydrocarbons with other compounds. Oil and gas processing produces products that are then used in all industries, energy, agriculture and in everyday life
Conveyor roller. Conveyor rollers - GOST
Last modified: 2025-01-24 13:01
The roller is an important part for any conveyor belt. Its reliability and quality largely determine how well the machine itself will work, whether it is able to perform its functions. Conveyor roller can last from two to 15 years
Glass bending: description of methods and application
Last modified: 2025-01-24 13:01
Modern design idea has no boundaries, while pushing building materials manufacturers to create new components and technologies for their production. One such material is curved glass
Laminated plastics: properties and applications
Last modified: 2025-01-24 13:01
Special composite materials are used in the insulation systems of complex devices and structures that are subject to increased operational requirements. As a rule, these are not universal, but highly specialized products, oriented to work in extreme thermal and humidity conditions. Such insulators include the following laminated plastics: getinaks, textolite, fiberglass, as well as their modifications
Bushing insulator: types and types
Last modified: 2025-01-24 13:01
This article will contain information about bushings, their types and types. The design of various types, the types themselves, their scope and purpose will be analyzed in detail. Their advantages in comparison with similar devices will also be considered. After reading the article, you will not only learn general information about bushings, but you will also be able to decipher the markings and be able to distinguish one type from another
High density low pressure polyethylene: characteristics, description, application
Last modified: 2025-01-24 13:01
HDPE is a thermoplastic polymer. It combines many advantages that allow it to be used in a variety of industries. It can be successfully used both to create film packaging and to manufacture communication pipes
Linear polyethylene: description, specifications, application
Last modified: 2025-01-24 13:01
Polymers are now used almost as often as other materials such as wood, metal or glass. This distribution of this substance is due to the fact that its cost is quite low, but at the same time it has high performance. Linear polyethylene is one of the representatives of this category of goods
Waste rock - what is it? Description, application
Last modified: 2025-01-24 13:01
In addition to minerals, the composition of mineral raw materials also includes the so-called waste rocks. What it is? Why did they get such a name? The answer to these questions will be briefly given in the article. In addition, it will briefly describe what enrichment is and describe its practical significance
What is the difference between unrefined sunflower oil and other vegetable fats
Last modified: 2025-01-24 13:01
Unrefined sunflower oil can be rid of undesirable components by fairly simple mechanical means - settling, centrifugation and filtration. This is also refining, but when it is carried out, the content of nutrients and vitamins does not decrease
Threaded connections and their types
Last modified: 2025-01-24 13:01
Threaded connections depend on the outer and inner surface of the location. They are internal, external, conical and cylindrical. Differ in section and profile of the part: round, rectangular, thrust, trapezoidal
How to choose the right fastener?
Last modified: 2025-01-24 13:01
Practically everyone who has held a screwdriver or a hammer in their hands knows what a fastener is. This definition fits any metal object that allows you to connect two parts together. This rather large list contains screws, self-tapping screws, bolts, anchors, nuts, washers and many more various hardware. All of them are widely used in industry
Self-locking nuts - a secure connection without Grover washers and locknuts
Last modified: 2025-01-24 13:01
For connections that do not experience significant mechanical loads during operation, self-locking nuts stamped from sheet steel can be used, creating increased resistance during reverse motion due to the springy properties of the material of manufacture
Household metal lathe: types, description
Last modified: 2025-01-24 13:01
Household lathe: overview, specifications, manufacturers, features. Desktop lathe: description, varieties, operation, photo
Foam block: foam block dimensions, history of appearance and application prospects
Last modified: 2025-01-24 13:01
Each movement of the bricklayer is performed at a certain speed. An ordinary clay brick weighing about 3 kg or a large foam block of the same mass will be installed in the wall in the same time. But the dimensions of the foam block are eight or even twelve times the size of a brick, which dramatically increases the speed of masonry. Another important advantage of a light and warm building material is that it requires an adhesive rather than a complex cement-sand mortar
Production of gas blocks: technological process, materials and equipment
Last modified: 2025-01-24 13:01
Today, there are many building materials that are popular. One of the innovations is the production of gas blocks, which belong to cellular concrete. Of these, it is profitable not only to build a private house, but also to produce for sale
Permanent connections: technological process and classification
Last modified: 2025-01-24 13:01
Docking of elements and structures can be divided into two main groups: detachable and permanent connections. The first are those that can be disassembled without violating the integrity of the fastening elements. These include fastenings with nuts, bolts, studs, screws, all connections with and without threads
Drive screw for lathe and vice
Last modified: 2025-01-24 13:01
The lead screw is one of the main parts used in lathes, table vise, etc. This screw is responsible for the movement of the vise, and therefore there are many parameters that it must comply with
Turning spindle unit: performance properties
Last modified: 2025-01-24 13:01
The spindle of machine tools is usually presented as one of the elements of the drive mechanism responsible for fixing and shaping the workpiece. At the same time, its interface with the power plant, the bearing part and the working equipment of the unit is so tight that we can talk about the whole infrastructure of this part. The spindle assembly (SHU) should be considered as a responsible basic mechanism of the machine, providing the function of transmitting torque and directing the processing force
Bending machines: types, description, principle of operation
Last modified: 2025-01-24 13:01
Bending machine: description, specifications, features, principle of operation, photo. Edge bending machines: varieties, device, design, parameters, manufacturers. Manual and rotary hemming machines: what's the difference?
Solar energy in Russia: technologies and prospects. Large solar power plants in Russia
Last modified: 2025-01-24 13:01
For many years, humanity has been concerned about obtaining cheap energy from alternative renewable resources. Wind energy, ocean wave tides, geothermal waters - all this is being considered for additional electricity generation. The most promising renewable source is solar energy. Despite a number of shortcomings in this area, solar energy in Russia is gaining momentum
Fundamentals of industrial plant design
Last modified: 2025-01-24 13:01
The article is devoted to the design of industrial enterprises. The features, norms and requirements for this kind of design work are considered
The principle of operation of the electric crane-beam
Last modified: 2025-01-24 13:01
Electric beam crane is a device mounted under the ceiling in the workshop building for transporting heavy loads. The beam crane itself is a fairly simple device. The principle of its operation and device will be analyzed below
Diamond boring machine: types, device, operating principle and operating conditions
Last modified: 2025-01-24 13:01
The combination of a complex cutting direction configuration and solid-state working equipment allows diamond boring equipment to perform extremely delicate and critical metalworking operations. Such units are trusted with the operations of creating shaped surfaces, hole correction, dressing of ends, etc. At the same time, the diamond boring machine is universal in terms of application possibilities in various fields. It is used not only in specialized industries, but also in private workshops
Swashplate: how the device works
Last modified: 2025-01-24 13:01
Swashplates allow you to control the flight of a helicopter. Modern modifications are distinguished by a high angle of inclination in roll and pitch. To find out more information about swashplates, you need to consider existing devices
What is a desiccant - description, manufacturing method and features
Last modified: 2025-06-01 07:06
The time it takes for a layer of paint to dry, for example when painting a portrait, depends on heat, light and type of oil. There are special catalytic components that, when added to the oil, speed up the drying time. They are called dryers or desiccant, what is it? This is the name of special substances, which include s alts of various metals - cob alt, lead, manganese
Kirzhach Dairy Plant - description, products, reviews
Last modified: 2025-01-24 13:01
Dairy products are an everyday commodity. Choosing from a wide range of brands presented in stores, the consumer tries to buy the most natural milk, butter, sour cream. One of the brightest producers in this industry is the Kirzhach Dairy Plant. This article explains why buyers choose it
What is hemp? Meaning of the word
Last modified: 2025-01-24 13:01
Many people have come across the term "hemp", but not everyone knows the meaning of this word. This is a bast fiber, rather coarse, which is obtained from hemp stalks. The process is very laborious and lengthy. Read about the meaning of the word "hemp" and how to make it in this article
Egorievsk Meat Processing Plant: address, management, production capacity and product quality
Last modified: 2025-01-24 13:01
Sausages are now very popular. They are bought not only for the festive table, but also for daily consumption. A very wide range of this type of delicacies is represented by "Yegorevsky Meat Processing Plant". Information about the company, its products and contacts is presented in this article
Corrosion of copper and its alloys: causes and solutions
Last modified: 2025-06-01 07:06
Copper and copper alloys have high electrical and thermal conductivity, can be machined, have good corrosion resistance, so they are actively used in many industries. But when it enters a certain environment, corrosion of copper and its alloys still manifests itself. What is it and how to protect products from damage, we will consider in this article
How self-tapping screws are made at the factory: technologies and equipment. Machine for the production of self-tapping screws
Last modified: 2025-01-24 13:01
How are self-tapping screws made at the factory? The answer to this question is a fairly simple technique. At the enterprises, blanks with hats are first made from steel wire. Further, threads are cut on such blanks
Vacuum lifter: characteristics and working principle
Last modified: 2025-01-24 13:01
Vacuum handling systems are widely used in various industries and construction. With the help of such devices, typical manipulations with various materials within the framework of logistics and production processes are reliably and safely performed. For quick and frequent high- altitude movement, a vacuum lifter is used, which can have various performance characteristics and design
"Yamaha" 3 l. With. reviews: reviews of real buyers, instructions, pros and cons of the outboard motor
Last modified: 2025-01-24 13:01
Outboard motors are a very narrow technique, but at the same time, a large number of people are interested in it. Both for use for fishing purposes and for recreation on the water, outboard motors are an indispensable thing. Yamaha is rightfully considered the leader in the production of outboard motors at the moment, and you can learn about the facts proving such a loud statement from this article
Twisting wires in a junction box: step by step instructions, tips from the masters
Last modified: 2025-01-24 13:01
In the process of repair, the owners of a house or apartment are faced with the need to install junction boxes. The wires in them must be properly mounted. The most famous way in this case is twisting. It has certain advantages and disadvantages. Almost everyone can do the twisting in the junction box with their own hands. But at the same time, you need to learn about all the nuances of such work. How to twist will be discussed in the article
Bonpet fire extinguishing device: instructions, features and principle of operation
Last modified: 2025-01-24 13:01
Data about the manufacturer of the device. Description of the principle of operation of Bonpet capsules. The main advantages in the application. Premises for use. Features of installation and operation. Tips for the correct installation and use of Bonpet fire extinguishing devices
Bogdanovich Porcelain Factory: dishes with traditions
Last modified: 2025-01-24 13:01
Bogdanovich Porcelain Factory (Sverdlovsk region) produces a variety of dishes made of porcelain, faience, majolica, which can be used both at home and in restaurants. The quality of products is always high, the company works with porcelain of different temperatures, the last stage of processing is done manually, which makes the products smooth and perfect
Expansion tank for the boiler: types, purpose, choice
Last modified: 2025-01-24 13:01
Heating systems today are a prerequisite for a comfortable life. Over time, heating equipment undergoes positive functional changes, and one of these changes was the appearance of an expansion tank for the boiler. Where is it applied? The expansion tank is used to prevent equipment breakdown by accumulating excess water. When the boiler is running, the water heats up and expands in volume
Melamine coating: properties, applications, characteristics
Last modified: 2025-01-24 13:01
Melamine furniture coating - what is it and where is it used? This issue can be sorted out by contacting manufacturers involved in the manufacture of cabinet furniture. This material is used in production for protective purposes. This sample of artificial material is resistant to moisture and shows resistance to mechanical damage. It looks like a plastic surface with different coloring
Plant "Krasnoe Sormovo", Nizhny Novgorod: address, fresh vacancies and job reviews
Last modified: 2025-01-24 13:01
Krasnoye Sormovo Plant (Nizhny Novgorod) is one of the oldest shipbuilding enterprises in Russia. Over 170 years of history, thousands of ships and tanks, hundreds of steam locomotives, drilling equipment, submarines and much more have been produced here. What does the plant produce today and how do employees respond to its work?
Contract internal combustion engines: characteristics, advantages and disadvantages
Last modified: 2025-01-24 13:01
The engine is the most expensive part of a car after the body. And after a serious breakdown, the owner faces a difficult question - to engage in costly repairs, or to change the unit. The idea to replace the engine is a good one - not to make a “capital”, but to immediately put in a contract ICE, especially since it will cost much less than repairing the old one. Today, replacing an internal combustion engine is not a problem, and the law allows you to change power units. And then another question arises - what is a contract engine, and where do they come from
Alcoholic products are Basic concepts, classification, production and sale
Last modified: 2025-01-24 13:01
At present, alcoholic products are highly demanded drinks. In this regard, cases of counterfeiting are constantly recorded, the use of which can lead not only to the development of a pronounced intoxication process, but also to death. This, in turn, is an incentive for continuous improvement of the quality control system for alcoholic products. Its main types, production methods and requirements for drinks are described below
"Master Mebel": customer feedback on the quality and variety of products
Last modified: 2025-01-24 13:01
Reviews about "Master Furniture" will be of great importance for everyone who is going to order something from this company. This is a fairly large company that manufactures and assembles kitchens, cabinets, hallways, living rooms, everything that may be needed in a new place. It is worth noting that several enterprises under this name operate in Russia. In this article we will focus on the largest of them - in St. Petersburg and Voronezh
How copper is mined: methods, history and deposits
Last modified: 2025-01-24 13:01
How is copper mined? The answer to this question in our time is several technologies. Usually, ore containing this metal is mined first by a quarry or mine method. Further, such material is enriched to blister copper, and then further purified
Hydraulic stations for presses: types, specifications, purpose and practical application
Last modified: 2025-01-24 13:01
Hydraulics is one of the oldest mechanisms in the operation of power equipment. The simplest representative of this type of units is a press. With its help, large compressive forces are provided in various industries with minimal organizational and operational costs. The quality of operation of the device will depend on which hydraulic station is used for the press - whether it meets the target design in terms of working properties and whether it is able to maintain sufficient force
Equipment for gold mining: types, characteristics and working conditions
Last modified: 2025-01-24 13:01
The main amateur and professional types of equipment for gold mining. The use of trays and "lazybones" on the rivers. Description of industrial equipment and the process of gold mining with its help. Dredges for gold miners. Application and possibilities of modern metal detectors. Use of hand blowers. Equipment from the company "Dipsis"
FSUE "Mayak": the realities of the legendary "magpie"
Last modified: 2025-01-24 13:01
Information about FSUE "Mayak" and the Chelyabinsk "ban" was kept secret for a long time. The settlement did not even have a name, only a postal code. A lot has changed in 70 years. Having survived a radiation catastrophe in the middle of the last century, the enterprise managed to cope with the situation and has achieved excellent results to date. The city of atomic scientists was called Ozersk. Today's media quite openly broadcast about the news of the defense enterprise, and on the Internet there is an official website of FSUE "Mayak" Oz
Container type diesel generator set: types, specifications, working principle and application
Last modified: 2025-01-24 13:01
Description of the general design of DGS and the principle of their operation. Classification of installations by mobility. What are container-type diesel generator sets for? Description of containers and equipment, characteristics. Features of FGWilson diesel generator sets. How are DGUs installed? Main rules of operation. Options for additional equipment on request. Locomotive installations
Montmorillonite clay: mineral composition, properties, extraction and applications
Last modified: 2025-01-24 13:01
Montmorillonite clay is actually a mineral that is very plastic, hence its name. The breed was first mined in France. Currently, a large number of deposits have been developed around the world. Montmorillonite has excellent adsorbing properties. It easily absorbs water and various components, increasing in size up to 20 times. Currently, the mineral is used in many industries
Diameters and dimensions of cast iron sewer pipes. Types and features
Last modified: 2025-01-24 13:01
Cast iron pipes are used today in the laying of external and internal sewerage systems. Products can be channelless and channel. Their service life can reach 100 years. Connecting elements and assortment of sewer pipes is determined by GOST 6942-98. After reading the documentation, you will be able to understand what parameters the pipes should have
Clothing industry as a branch of light industry. Technologies, equipment and raw materials for the clothing industry
Last modified: 2025-01-24 13:01
The article is devoted to the clothing industry. The technologies used in this industry, equipment, raw materials, etc. are considered
Drilling holes in metal, in wood. Drilling large holes in the wall
Last modified: 2025-01-24 13:01
The article is about drilling. Considered operations for creating holes in wood, metal materials and walls
Ural Automobile Plant: history. Types of products, photo
Last modified: 2025-01-24 13:01
The automotive industry in Russia is constantly developing. Today, there are 16 plants of this specialization in our country. One of the largest engineering enterprises is the Ural Automobile Plant (UralAz), which mainly produces trucks
Technical support is real creativity
Last modified: 2025-01-24 13:01
Any significant event requires the installation of sound, lighting and other stage equipment. Technical support solves this difficult task
Oil production and its importance for the global economy
Last modified: 2025-01-24 13:01
The phrase "oil production" has long been firmly established in the world lexicon and to a large extent has become a symbol of the modern era. Today, this product of the earth's interior, along with its eternal companion - natural gas, is practically the uncontested basis of world energy
P36 steam locomotive: types, device, technical characteristics and years of use
Last modified: 2025-01-24 13:01
Prerequisites for the emergence of locomotives P36. The history of the design and completion of the development of the first prototype locomotive in the series. Establishing the release of subsequent models. Technical characteristics of the steam locomotive P36. The main changes in the design during serial production. Description of the structure of the undercarriage, steam boiler, machine and tender. Features of operation and perpetuation of the locomotive in culture
Vacuum rubber: description and photo
Last modified: 2025-01-24 13:01
Currently, the technological process of creating a variety of parts and assemblies has advanced quite a lot. In order to produce quality seals, which are required in many products, vacuum rubber is used
Bearing housing and its types. Do-it-yourself bearing housing
Last modified: 2025-01-24 13:01
In the mechanisms that are used in everyday life by a person, you can often find such a detail as a bearing. They are in the systems of both household appliances and industrial ones. The bearing housing is part of the part assembly. It comes in different shapes, varieties and sizes
Use and description of the mineral galena
Last modified: 2025-01-24 13:01
The mineral galena is a dark gray sulfide. It has a characteristic iron luster and a metallic silver color. Ore is the main component for smelting lead. The mineral galena, collected with great care, is smelted into beautiful lead ingots. This sulfide is not only in great demand among commercial enterprises, but also quite popular with occultists and astrologers
Baking improver - what is it Types, names and composition
Last modified: 2025-01-24 13:01
Studying the composition of bakery products, you can stumble upon such a component as an improver. Its use causes a lot of controversy among buyers. Why do we need an improver in the baking business, what is its effect on the body and which of the possible options is better to choose, is indicated in this article
Industrial air humidifier: overview, types, manufacturers and reviews
Last modified: 2025-01-24 13:01
The article is devoted to industrial air humidifiers. Considered types of equipment, manufacturers, reviews, etc
Insulating rod: types, description, purpose
Last modified: 2025-01-24 13:01
Electrician is one of the most dangerous professions. In order to protect the personnel as much as possible, the enterprise provides them with overalls and footwear with protection against electric arcs. In addition, personal protective equipment (PPE) and professional power tools are also issued
Ventilation of industrial premises: types, requirements, design and control
Last modified: 2025-01-24 13:01
Designing industrial premises ventilation is quite a difficult task. The creation of schemes is carried out taking into account the specifics of the enterprise. The main task of the ventilation system of industrial premises is to promptly "capture" all impurities and remove them
Grounding devices and electrical safety
Last modified: 2025-01-24 13:01
With an internal breakage of the conductor, it becomes possible for it to touch the body of the device, and in this case the latter will be a mortal danger, invisible, and therefore doubly terrible. Grounding devices are used to avoid such situations
UV water disinfection: principle of operation, installation. Drinking water - GOST valid
Last modified: 2025-01-24 13:01
Technologies in the field of water treatment do not stand still. Today, many methods are used to ensure the required quality of drinking liquids that meets the requirements of GOST. One of them is ultraviolet disinfection of water. It will be discussed in the article
Tool shop: description and purpose
Last modified: 2025-01-24 13:01
The tool shop, which is located on the territory of the machine-building plant, is an auxiliary site. The main purpose of this department is the manufacture, as well as the repair of equipment that is used at this machine-building plant
Reaming and reaming holes
Last modified: 2025-01-24 13:01
The article is devoted to countersinking and reaming holes. The features of these technologies, the nuances of cutting, etc. are considered
Coordinate machine: description
Last modified: 2025-01-24 13:01
Coordinate systems are used in any kind of production due to the ability to accurately move the tool to any point in the workspace
Yaya Oil Refinery. Yaya oil refinery (Kemerovo region)
Last modified: 2025-01-24 13:01
Yaya Oil Refinery "Severny Kuzbass" is the largest industrial enterprise built in the Kemerovo region in recent years. It is designed to reduce the acute shortage of fuel and lubricants in the Altai-Sayan region. The design processing capacity of the first stage is 3 million tons, the introduction of the second stage will double the output
Belleville spring: purpose and technical features
Last modified: 2025-01-24 13:01
Belleville spring is able to withstand enormous loads with very little deformation. About what materials it is made of, how it is assembled and where it is used, will be discussed in this article
Welder's gaiters - what to look for when choosing?
Last modified: 2025-01-24 13:01
The main means of protecting limbs from damage during work are the welder's leggings. What material are they made of and what to look for when choosing them?
What is excavation?
Last modified: 2025-01-24 13:01
Earthworks can involve a large proportion of the labor, time and money involved in a construction project. In what areas is excavation classified and what should be taken into account in the process of project implementation?
"Armata" - the dream tank of the Russian ground forces
Last modified: 2025-01-24 13:01
In the Urals, the Armata tank, which is the best unit of military equipment in the world, was successfully tested. It is expected to start its mass production. What are its most striking features?
Zeya reservoir - a source of prosperity for the region or the beginning of an ecological catastrophe?
Last modified: 2025-01-24 13:01
Before the Zeya reservoir was built, along the floodplain there were only settlements formed from gold prospectors and loggers, most of whom were exiles or former convicts. It was a harsh land in all respects, not knowing the conditions of civilization. How has the construction of hydropower plants changed the region?
How to choose the right gasoline inverter generator for domestic needs?
Last modified: 2025-01-24 13:01
The gasoline inverter generator is compact in size, light in weight compared to gas or diesel power plants. Its advantages and disadvantages will be discussed in the article brought to your attention
Features of sodium tetraborate. Instructions for use in medicine and in everyday life
Last modified: 2025-01-24 13:01
Being under the influence of advertising and the abundance of pharmacological and industrial products, today's world has begun to forget about the beneficial properties of sodium tetraborate. Now it is in demand only among manufacturers of television radio and electronic equipment, and among photographers who develop films in an old-fashioned way
To get a durable, shiny and lightweight material, you need to foam PVC
Last modified: 2025-01-24 13:01
PVC of the usual type are sheets that have a porous structure with a rough surface and a matte finish. If PVC is foamed, it is possible to obtain a tear-resistant and hard-feeling material with a smooth glossy surface, having a sandwich structure. Its inner layer will be porous, but the texture will remain homogeneous
Destroyers are combat high-speed maneuverable ships. Military equipment
Last modified: 2025-01-24 13:01
Destroyers are excellent hunters of aircraft carriers and battleships. They are currently well equipped. In the publication, we will consider models of American and Russian destroyers
Electronic warfare equipment. The latest Russian electronic warfare complex
Last modified: 2025-01-24 13:01
An effective countermeasure can be the interception of a signal, its decoding and transmission to the enemy in a distorted form. Such an electronic warfare system creates an effect that has received the name "non-energy interference" from specialists. It leads to complete disorganization of command and control of hostile armed forces
RPG-7V anti-tank grenade launcher: performance characteristics, device, ammunition
Last modified: 2025-01-24 13:01
RPG-7V is the most massive hand-held anti-tank grenade launcher in the world. Already the first use of a grenade launcher in Vietnam showed its high efficiency. Most of the American armored vehicles of that time, including heavy tanks, could not oppose anything. Soviet weapons pierced homogeneous armor of any thickness, and only the appearance of multilayer armor became a salvation for Western tanks
Steel 09G2S - properties and characteristics
Last modified: 2025-01-24 13:01
Diversity in the steel industry is often intimidating for people who need to purchase a particular grade of steel for a specific need. This problem is solved by a long and methodical study of the topic, understanding its very essence. However, there is a way to cut a little. This article contains all the most important and useful information regarding steel 09G2S. Reading this article will not take much time, and the knowledge gained will help you choose the right material
Welding seams: types of seams and joints
Last modified: 2025-06-01 07:06
In the process of welding, various connections are obtained. Welding seams are able to connect not only metals, but also other dissimilar materials. They are classified according to several criteria: method of execution, spatial position, length, etc
Steel 20: GOST, characteristics, properties and applications
Last modified: 2025-01-24 13:01
Structural steel is the most demanded in the gas and oil industry, housing and communal services, at the household level. Versatile features, low cost and proven reliability and practicality are of great interest to manufacturers
Recycled water supply - definition, scheme and features. Recycled water supply system
Last modified: 2025-01-24 13:01
Recycling water supply is created for the purpose of ecological protection of the environment, economy, and also in case of emergency caused by the creation of a small enterprise. Profitability is determined by design calculations. In the future, it will only increase due to the increase in the cost of water and the growth of fines for environmental pollution
Turbocharger device: description, principle of operation, main elements
Last modified: 2025-01-24 13:01
Today, people are actively using internal combustion engines. Naturally, its main use falls on a motor vehicle. The turbocharger device for internal combustion engines is very important, and therefore it is worth knowing, especially for those who have a personal car
BMP-2: specifications, device, armament, manufacturer
Last modified: 2025-01-24 13:01
BMP-2 has been in service with the army of our country for more than four decades. This is a simple, reliable, unpretentious combat vehicle. The BMP-2 proved to be effective in military operations in different countries of the world. It is capable of hitting enemy manpower, helicopters, tanks, fortified structures
NSVT heavy machine gun: overview, characteristics and description
Last modified: 2025-01-24 13:01
Machine guns at the time of their appearance were not accidentally classified as artillery: the power of such weapons still amazes. Moreover, heavy "machine gunners" allow even mounted shooting, so that they can be attributed to artillery systems, albeit with tension, even today
Belt conveyors: history and stages of improvement
Last modified: 2025-01-24 13:01
Belt conveyors are familiar to everyone today. These are extremely necessary and even irreplaceable mechanisms in many production processes. But when and where was the idea of mechanically moving goods over distances using a conveyor born? Let's try to look into the history of their birth
Spline connection. Keyed and splined connections
Last modified: 2025-01-24 13:01
A spline connection is a connection between a female and a male surface (shaft-hole). Splines and grooves are used, which, as a rule, are arranged in a radial order at the engagement site. This connection has sufficient strength and ensures the alignment of the shaft and the hole. The main advantage is that the part can move in the axial direction
Grease No. 158 - application and characteristics
Last modified: 2025-01-24 13:01
All metal mechanisms during their work are subject to friction and gradually fail. During this process, metal parts heat up and lose their normal physical properties, which can adversely affect the entire mechanism and make it inoperable. To avoid this, since ancient times, people have been inventing and using various types of materials that give the details of mechanisms the ability to work without heating up during friction