Industry 2024, November

Passenger airliner Boeing 757-200

Passenger airliner Boeing 757-200

Officially, the development of Boeing 757 airliners began in August 1978. The Boeing 757-200 airliner was developed by the American company Boeing instead of the Boeing 727 model. The new aircraft was intended for operation on domestic airlines, as well as on international flights between the USA and Europe

Moscow confectioneries: an overview of the best establishments

Moscow confectioneries: an overview of the best establishments

Let's try to identify the best pastry shops in Moscow and the region, which include the most intelligent establishments, where you will definitely not be deceived by serving another Russian, Italian or French dessert

Urengoyskoye field: history of development, reserves, exploitation, prospects

Urengoyskoye field: history of development, reserves, exploitation, prospects

The Urengoyskoye field is one of the largest in the world. It is inferior in volume to the North / South Pars field in the waters of Qatar and Iran. Estimated gas reserves are about 10 trillion m3

The fastest hypersonic aircraft in the world. Russian hypersonic aircraft

The fastest hypersonic aircraft in the world. Russian hypersonic aircraft

An ordinary passenger plane flies at a speed of about 900 km/h. A jet fighter jet can reach about three times the speed. However, modern engineers from the Russian Federation and other countries of the world are actively developing even faster machines - hypersonic aircraft. What are the specifics of the respective concepts?

What is the "mother of all bombs" and why is she unique?

What is the "mother of all bombs" and why is she unique?

"The mother of all bombs" is an unofficial abbreviation for the GBU-43/B (MOAB) high-explosive munition, created and first tested by the US military at the beginning of the third millennium. At the time of development, this product was considered the most powerful non-nuclear weapon in human history

Thermobaric weapon. vacuum bomb. Modern weapons of Russia

Thermobaric weapon. vacuum bomb. Modern weapons of Russia

The article is devoted to modern weapons. In particular, the principles of the construction of thermobaric and vacuum bombs, new developments regarding nuclear weapons and other types of high-tech weapons are considered

American submarines: list. Nuclear submarine projects

American submarines: list. Nuclear submarine projects

Navy for any country is a geopolitical deterrence mechanism. And the submarine fleet, by its very presence, influences international relations. If in the 19th century the borders of Britain were determined by the sides of its military frigates, then in the 20th century the US Navy becomes the leader of the oceans. And American submarines played an important role in this

Modern Chinese tanks (photo). The best Chinese tank

Modern Chinese tanks (photo). The best Chinese tank

Chinese industry, and especially the creation of tanks, is directly related to the development of this area in the Soviet Union. For a long time, Slavic technology was an example for Asians, respectively, and those combat vehicles that the People's Republic produced were, as a rule, based on the "T-72"

High-explosive projectile. High-explosive fragmentation projectile. artillery shell

High-explosive projectile. High-explosive fragmentation projectile. artillery shell

When back in 1330, Berthold Schwarz, a German monk, discovered the throwing properties of gunpowder, he did not imagine that he would become the progenitor of a new god - the god of war

Russian oil industry: main problems and development

Russian oil industry: main problems and development

In the current situation on international markets, the oil and gas industry of Russia is the driving locomotive of the entire economy and at the same time demonstrates the most stable growth rates of all sectors of the national economy

Charcoal burning furnaces for the production of charcoal. Do-it-yourself charcoal kiln

Charcoal burning furnaces for the production of charcoal. Do-it-yourself charcoal kiln

Charcoal is one of the most ancient types of fuel. It is used not only for cooking and heating the house. It is used in the chemical and metallurgical industries, in animal husbandry and construction, medicine and pharmacology

From what and how is sausage made?

From what and how is sausage made?

About how sausage is actually made, many people would probably like to know. After all, this product is actually very popular and in demand. Rumors about how sausage is made at modern enterprises are different

Use of acetylene. Acetylene welding

Use of acetylene. Acetylene welding

To understand where acetylene is used, it is necessary to study and understand what it is. This substance is a flammable colorless gas. Its chemical formula is C2H2. The gas has an atomic mass of 26.04. It is slightly lighter than air and has a pungent odor

Metal hardening. Methods from antiquity to modern times

Metal hardening. Methods from antiquity to modern times

Tempering of metal is done by heating it to a temperature called critical. Its value corresponds to such a state of the material, in which there is an increase in entropy, leading to crystalline changes

Knife steel depending on alloys

Knife steel depending on alloys

In the modern world, steel for knives plays an important role in human life, as this subject has been encountered almost throughout the existence

Helicopter plant (Kazan): history, description, photo, address

Helicopter plant (Kazan): history, description, photo, address

PJSC Kazan Helicopter Plant (Kazan) is one of the key enterprises of the Russian Helicopters holding. The products of this enterprise constitute an essential part of its deliveries. In addition, Kazan Helicopter Plant developed and brought to serial production a new type of machine - the Ansat light helicopter

ASC "Zircon": characteristics, tests. Hypersonic cruise missile "Zirkon"

ASC "Zircon": characteristics, tests. Hypersonic cruise missile "Zirkon"

In this article we will talk about one of the latest developments of the country - anti-ship missiles "Zircon". To begin with, it is worth understanding what RCC is, as well as how this technology appeared. And then it will be possible to go directly to the consideration of the Zircon anti-ship missile itself

The strategic natural raw material of the Russian Federation - oil "Urals"

The strategic natural raw material of the Russian Federation - oil "Urals"

Urals oil is the main export grade of Russian hydrocarbons. The country's budget is directly dependent on oil of this brand, since it is calculated based on the cost of raw materials according to current forecasts of economists

Baker Hughes Oil and Gas Service Company. The head of the company

Baker Hughes Oil and Gas Service Company. The head of the company

The start of vigorous activity in Russia began for Baker Hughes in the distant 70s of the last century with the supply of oil and gas equipment for Soviet enterprises. Subsequently, our Western partners turned their interests to the exploration and production of raw materials, gradually increasing their activity in this direction and developing contacts

Tanker Knock Nevis: history, characteristics

Tanker Knock Nevis: history, characteristics

Knock Nevis is the largest tanker in the world, also known as Jahre Viking, Happy Giant, Seawise Giant and Mont. The oil tanker was designed and built by the Japanese in 1974-1975, and has long been the largest ship ever built. In 2010, the "sea giant" was decommissioned and subsequently dismantled for scrap

Famous oil brands in Russia

Famous oil brands in Russia

Over the past hundred years, oil has become the world's most important commodity. Prices for "black gold" are of great importance for the economy of any country. This article will talk about the various brands of oil and their quality characteristics

PJSC Motovilikhinskiye Zavody, Perm: history, description, products

PJSC Motovilikhinskiye Zavody, Perm: history, description, products

Motovilikhinskiye Zavody PJSC is one of the largest and oldest machine-building enterprises in the Urals with its own modern metallurgical base. Includes a network of subsidiaries located primarily in Perm and neighboring regions. It specializes in the field of metallurgy, weapons, mechanical engineering, supplies equipment for the oil and gas sector. Once a leading manufacturer of artillery and MLRS

The Trans-Siberian Railway: development prospects, significance. Ways to improve work efficiency

The Trans-Siberian Railway: development prospects, significance. Ways to improve work efficiency

The Trans-Siberian Railway, whose development prospects are unusually wide at the moment, began to be built at the end of the century before last. Its laying was completed in the Soviet years. At the moment, its total length is more than 10 thousand kilometers

PJSC Gazprom: structure, branches, board of directors

PJSC Gazprom: structure, branches, board of directors

Gazprom Corporation is one of the key ones for the Russian economy. How is the organizational structure of the company? What are its main activities?

Household and industrial ironing presses. How to choose ironing presses? Reviews about ironing presses

Household and industrial ironing presses. How to choose ironing presses? Reviews about ironing presses

A variety of ironing presses can be used to dry clothes. Today, these devices are rare in everyday life. However, in laundries they are quite in demand

JSC "Arzamas Instrument-Making Plant named after P. I. Plandin": overview, products and reviews

JSC "Arzamas Instrument-Making Plant named after P. I. Plandin": overview, products and reviews

OJSC "Arzamas Instrument-Making Plant named after Plandin" is a city-forming enterprise, on the work of which the well-being of the one hundred thousandth city of Arzamas depends. It produces hardware components and devices for the aviation industry, the space industry, and civil applications

Concrete strength curing schedule: features, types, technology and key indicators

Concrete strength curing schedule: features, types, technology and key indicators

Concrete solution for a certain time after pouring will acquire the desired performance properties. This time interval is called the holding period, after which a protective layer can be applied

Concrete M300: composition, characteristics, consumption

Concrete M300: composition, characteristics, consumption

Concrete M300, like any other, in principle, is an almost universal material that is currently used in many areas of construction and for a variety of purposes. Each brand of this substance has its own properties, price, characteristics, production technology

Aircraft TU-134: specifications

Aircraft TU-134: specifications

One of the legendary aircraft of the Soviet aviation took off in 1963. The peculiar sound of the Tu-134 engine, close in sound to a growing whistle, contributed to the high recognition of the popular aircraft. TU-134 turned out to be in great demand not only on the routes of the Soviet Union, but also in foreign countries. The long years spent in the air were not without accidents. But the plane continued to be considered a reliable and safe machine

AK-47 - caliber. Kalashnikov assault rifle AK-47

AK-47 - caliber. Kalashnikov assault rifle AK-47

In the world of weapons, there are not many examples that have become a legend. The main feature of the machine is the balance of its properties. Probably, it was in this that the design talent manifested itself. The ability to properly prioritize, as Kalashnikov did. In the hands of a trained shooter, the Kalashnikov shows excellent results in terms of fire accuracy. In the hands of an inexperienced irregular, it spews a barrage of lead until it runs out of ammo

2С5 "Hyacinth". Self-propelled 152-mm gun "Hyacinth-S"

2С5 "Hyacinth". Self-propelled 152-mm gun "Hyacinth-S"

Since the "great retreat" of 1915 of the Russian army, large-caliber guns have been the focus of attention of the Soviet and Russian leadership. The "Hyacinth" system, whose gun allows firing at a distance of almost forty kilometers with 152-mm projectiles of various equipment, from high-explosive to nuclear, allows solving tasks that are not feasible by other means. For the outstanding characteristics of combat power in the Soviet and Russian armies, the system was assigned a joke

Tank T-64BM "Bulat": latest upgrade

Tank T-64BM "Bulat": latest upgrade

History decreed that the first tank of the new generation T-64 appeared from the design bureau and factory that created the legendary T-34. A modern modification called the T-64 BM "Bulat" develops the potential inherent in the first models

Tank "Leopard 2A7": characteristics, photo

Tank "Leopard 2A7": characteristics, photo

In 2014, the Bundeswehr received the first Leopard 2A7 tanks. This model has become the next stage in the modernization of the combat vehicle. Despite its merits, the Leopard 2 family of tanks, including the A7 modification, can be called the most non-belligerent tanks. Combat use was limited to operations in Afghanistan, in which they were not opposed by any enemy tanks. Nevertheless, this main battle tank forms the basis of the armored forces of Germany, Holland, Denmark and other European countries

Project 1174 "Rhino". Large landing ship

Project 1174 "Rhino". Large landing ship

Struggle for supremacy in sea zones has the same meaning as gaining air superiority

Types of threads used in mechanical engineering

Types of threads used in mechanical engineering

A thread is an ornate spiral with a constant pitch applied to a conical or cylindrical surface. It is the main element for connecting two types of fasteners. To date, for general machine-building applications, the main external and internal threads are metric

Channel - what is it? Types, description and scope of channels

Channel - what is it? Types, description and scope of channels

Channel is a highly demanded product made of metal today. Its main distinguishing feature is the U-shaped section. The thickness of the finished product can be from 0.4 to 1.5 cm, and the height of the walls - 5-40 cm

Construction site fencing: types and requirements

Construction site fencing: types and requirements

Any construction, especially in the city, poses a direct threat to the safety of citizens. This is due to the fact that the facilities use oversized equipment and materials that can fall. Therefore, for the entire period of work, fencing of the construction site should be installed

The fire column is an important part of the fire extinguishing system

The fire column is an important part of the fire extinguishing system

To extinguish fires, you need access to the nearest water supply network, in a modern fire-fighting system it is provided by special hydrants and columns installed on them

The largest companies in the world (2014). The largest oil companies in the world

The largest companies in the world (2014). The largest oil companies in the world

The oil industry is the main branch of the global fuel and energy industry. It not only affects economic ties between countries, but also often causes military conflicts. This article presents a ranking of the largest companies in the world that occupy a leading position in oil production

Il-114-300 aircraft: specifications, serial production

Il-114-300 aircraft: specifications, serial production

Il-114 aircraft are a family designed for local airlines. The first flight took place in 1991. It has been used in Russia since 2001. We will talk about one of these aircraft - Il-114-300. The characteristics of the liner are quite adequate, however, its history brings back sad memories. They had long forgotten about it, when suddenly in 2014 data with drawings were removed from the archives, and the described aircraft received a well-deserved “new” life

Aircraft of the future - bold decisions

Aircraft of the future - bold decisions

Specialists believe that in the near future the aircraft will not undergo drastic changes. These will be devices of traditional design, but with more outstanding characteristics. In military technology, the roll will be shifted to "drones". However, during the Paris Air Show in 2017, a number of aircraft manufacturers showcased new aircraft concepts designed to redefine aviation

Airbus 320 is the best choice for medium distance flights

Airbus 320 is the best choice for medium distance flights

Airbus 320 is one of the highest quality passenger aircraft today. Durability, relatively low fuel consumption, as well as an excellent level of comfort have made it almost indispensable for civil aviation

Russian Airlines – from Dobrolet to Aeroflot

Russian Airlines – from Dobrolet to Aeroflot

Before the war, air transportation did not occupy a very prominent place in the total passenger traffic, although the foundation for the future power of Russian Airlines was laid back in 1939

Sorting hill: device, work technology. Railway infrastructure

Sorting hill: device, work technology. Railway infrastructure

Sorting work is an integral part of rail freight transport. The stations at which the redistribution of goods takes place use many specific mechanisms, the main of which is a hump. Let's find out what a sorting hill is and how it works

Duralumin is Duralumin: composition, properties, price

Duralumin is Duralumin: composition, properties, price

Duralumin is a material created on the basis of pure aluminum with alloying elements, the inclusion of which in the composition of the melt changes the properties of the metal. Soft and lightweight aluminum gains load resistance while retaining all the benefits of a pure element

Composite dry protein mix (SBKS) "Diso®" "Nutrinor". GOST R 53861-2010 Products of dietary (therapeutic and preventive) nutrition

Composite dry protein mix (SBKS) "Diso®" "Nutrinor". GOST R 53861-2010 Products of dietary (therapeutic and preventive) nutrition

The use of a dry protein mixture is regulated by the regulatory documents of the Russian Ministry of He alth and Social Development for dietary (therapeutic and preventive) nutrition. "Diso Nutrinor" is an effective and high-quality product used in diet therapy, which provides the human body with an optimal content of easily digestible protein of the highest biological value and corrects the protein-energy component of nutrition

Gasoline is Types of gasoline, their features

Gasoline is Types of gasoline, their features

Car owners know that gasoline is a consumable item that affects the durability and stability of the engine. His choice should be taken seriously. What parameters should be paid attention to, every driver should know

Zinc coating of metal: technology and methods

Zinc coating of metal: technology and methods

To protect metal from corrosion, many methods and methods have been created. Their essence lies in the fact that a special substance is applied to the surface of the metal. At the final stage, a thin film is formed. It prevents the ingress of moisture, oxygen, and aggressive substances to the surface. Among these methods, metal galvanizing is distinguished. It is the most efficient

The largest aircraft in the world: the history of creation and interesting facts

The largest aircraft in the world: the history of creation and interesting facts

Aircraft have every right to be considered a true work of art. If only because, with a weight of tens or even hundreds of tons, they can rise into the air and develop tremendous speed. Well, we should talk about the largest and most impressive aircraft in the world, among which the modern airship designed in Britain is in the first place

Installation pile driver for driving piles: characteristics

Installation pile driver for driving piles: characteristics

The construction of many modern structures requires the mandatory presence of piles in the ground. For this purpose, a pile driver is used, which we will discuss in more detail in this article. Explore its features and capabilities

Energy gas turbine installations. Cycles of gas turbine plants

Energy gas turbine installations. Cycles of gas turbine plants

Gas turbine units (GTP) are a single, relatively compact power complex, in which a power turbine and a generator work in pairs. The system has become widespread in the so-called small power industry

Emery stone: review, features, types, markings and reviews

Emery stone: review, features, types, markings and reviews

Many home craftsmen have an electric machine, which is popularly called "emery". It requires emery stones (circles). On this machine, you can sharpen individual parts or grind any product, tools. Such equipment is convenient to have on hand if repairs are to be made. An emery stone will be indispensable for sharpening knives

The energy problem of mankind and ways to solve it

The energy problem of mankind and ways to solve it

Energy problem of mankind every year becomes more and more widespread. This is due to the growth of the world's population and the intensive development of technology, which leads to a constantly growing level of energy consumption. Despite the use of nuclear, alternative and hydropower, people continue to extract the lion's share of fuel from the bowels of the Earth

Drilling bit: types, characteristics, purpose

Drilling bit: types, characteristics, purpose

The article is about drill bits. The main types, technical characteristics and purpose of such equipment are considered

Aircraft designer Oleg Konstantinovich Antonov: biography

Aircraft designer Oleg Konstantinovich Antonov: biography

It's no secret that the Soviet industry at all times was famous for the presence of highly qualified personnel, which even Western capitalist countries wanted to have in their ranks. Many engineers then worked not for the sake of money, but only because the activity to which they devoted themselves was the meaning of their life and great love. One of these historical characters, who at one time managed to make a colossal breakthrough in the aircraft industry, is Oleg Antonov

Shell mold casting: basic mold making operations

Shell mold casting: basic mold making operations

Currently, the industry is seriously developed and many different methods are used in casting. One such method is shell casting

X-35 anti-ship missile: specifications and application

X-35 anti-ship missile: specifications and application

The Kh-35 missile is the property of the Russian Navy. Today we will learn how this rocket was created and what characteristics determine its popularity

Borosilicate glass: characteristics, production and application

Borosilicate glass: characteristics, production and application

The article is devoted to borosilicate glass. The features of the material, characteristics, manufacturing technique and nuances of application are considered

Mast transformer substation: principle of operation and purpose

Mast transformer substation: principle of operation and purpose

The article is devoted to mast transformer substations. The device, principle of operation, types and purpose of such equipment are considered

Industrial transport - functions, types and features

Industrial transport - functions, types and features

At the current stage of industrial development, logistics is of great importance. The speed of movement of various kinds of goods in the maintenance of production processes must be maintained at specified rates, otherwise enterprises will not be able to perform planned tasks. A key role in such processes is played by industrial transport, which carries out transportation, as well as performs lifting and unloading and other auxiliary functions

Fukushima-1: the accident and its consequences

Fukushima-1: the accident and its consequences

The accident at the Fukushima-1 nuclear power plant occurred in 2011. Its consequences are not as terrible as after the accident at the Chernobyl power plant, but it will take about forty years to completely eliminate it

Obukhov plant. The history of development

Obukhov plant. The history of development

Obukhov plant from the time of its creation to the present day remains a major enterprise in the military-industrial complex. He survived two world wars and a revolution, but continues to function

Nuclear facilities in Crimea and Sevastopol

Nuclear facilities in Crimea and Sevastopol

Practically all nuclear facilities in Crimea are currently inactive and represent only cultural and historical value. Only the training reactor at the Sevastopol State University of Nuclear Industry is in working order

MI-26: the largest helicopter in the world

MI-26: the largest helicopter in the world

The largest helicopters in the world are distinguished primarily by their weight, and not by the length, width or diameter of the propeller. The leading position in this regard belongs to the domestic representative - MI-26. The machine is one of the few that is able to lift a load with a weight equal to its own

HDD - drilling technology. Horizontal directional drilling

HDD - drilling technology. Horizontal directional drilling

The article is devoted to the technology of horizontal directional drilling. The features of the method, the nuances of its implementation, etc. are considered

Kazan Aviation Plant named after S. P. Gorbunov

Kazan Aviation Plant named after S. P. Gorbunov

Kazan Aviation Plant named after Gorbunov is a leading Russian aviation enterprise specializing in the assembly of strategic bombers, civil and special aircraft. Since 2013, it has been a branch of Tupolev PJSC

What is the difference between a sub-caliber projectile and a conventional armor-piercing projectile

What is the difference between a sub-caliber projectile and a conventional armor-piercing projectile

The hole formed by the sub-caliber projectile has the shape of a funnel, expanding in the direction of its movement. Fragments of armor and core flying inside the combat vehicle pose a mortal threat to the crew, and the generated thermal energy can cause detonation of fuel and ammunition

NPP of a new generation. New NPP in Russia

NPP of a new generation. New NPP in Russia

Peaceful atom has entered a new era in the 21st century. What is the breakthrough of domestic power engineers, read in our article

Itaipu HPP is one of the 7 wonders of the world

Itaipu HPP is one of the 7 wonders of the world

For the construction of this miracle of engineering, the path of one of America's great rivers was changed, and implacable enemies had to join forces. Today it is the largest power plant in the world, on a par with the Three Gorges in China. All this is about the Itaipu hydroelectric power station, which is located on the border of Paraguay and Brazil

Factory of bakery products "Dedovskiy Khleb": history, products, address

Factory of bakery products "Dedovskiy Khleb": history, products, address

Dedovskiy Khleb bakery is known in the metropolitan area as a manufacturer of high quality bakery products. Loaves, "bricks", fragrant buns, Easter cakes, cakes, waffles are in constant demand among consumers. The key to success lies in the strict observance of GOSTs and technological standards laid down back in the 80s of the last century. Products are baked on modern equipment

Industry of Mongolia: features and statistics

Industry of Mongolia: features and statistics

The basis of the Mongolian economy has historically been considered agriculture and animal husbandry. The lands of this state, located in the southeastern part of Asia, are rich in vast deposits of natural resources. The Mongols mine copper, coal, molybdenum, tungsten, tin and gold. The mining industry in Mongolia accounts for a significant state-economic sector, but the extraction of raw materials is not the only industry in which the population of the country is involved

Transparent aluminum will replace armored glass

Transparent aluminum will replace armored glass

Aluminum oxynitride (or AlON) is a ceramic composed of aluminum, oxygen and nitrogen. The material is optically transparent (> 80%) in the ultraviolet, visible and half-wave ranges of the electromagnetic spectrum. It is manufactured abroad by Surmet Corporation under the ALON brand. Recently, Russian scientists have developed their own technology for producing transparent aluminum, which is somewhat different from imported analogues

Aluminum composite panels: overview, description, manufacturers and installation features

Aluminum composite panels: overview, description, manufacturers and installation features

Aluminum composite panels, the price of which will be written below, are mainly used when finishing buildings, houses and structures from the outside using a special ventilated facade technology. Such material can also act as an element of washable and wear-resistant finishing for various public places, for example, medical institutions, airports, restaurants and cafes, railway stations, bus stations

Polishing the metal for an expressive sheen

Polishing the metal for an expressive sheen

Usually, metal is polished when color is lost, rust appears, or some tarnish is observed. This time-consuming operation is performed only on a polished surface

Small water drilling rig: specifications and photos

Small water drilling rig: specifications and photos

Water is one of the main sources of life for any living creature. From this it follows that the presence of fluid in a person should always be in excess. People living in the city are supplied by the state, but what about those who live outside the city and do not have a water supply? Small-sized drilling rigs in such cases become almost indispensable

Engineering vehicles for obstacles: description, specifications, features, photos

Engineering vehicles for obstacles: description, specifications, features, photos

Engineering Obstacle Vehicle or simply WRI is a technique that was created on the basis of a medium tank. The basis was the T-55. The main purpose of such a unit is the laying of roads over rough terrain. In addition, it can be used to equip the column track after the use of nuclear weapons, for example

Potassium silicate and liquid glass - what do they have in common?

Potassium silicate and liquid glass - what do they have in common?

Liquid glass, stationery glue are materials that are well known to us, since they are widely used in everyday life. But most often our information about them is very limited, and meanwhile, learning about soluble potassium silicate, which serves as the basis for their manufacture, is not only interesting, but also useful

Filter paper: innovation in simple

Filter paper: innovation in simple

Modern filter paper, despite its outward simplicity, is a product of high technology. The reason for this is its wide range of uses and the importance of filtration for the smooth operation of various units

Milling cutter "Makita": reviews and instructions

Milling cutter "Makita": reviews and instructions

Cutting machine "Makita" - modern high-quality equipment, which is produced by the Japanese company of the same name. There are many models of this brand, each of which is distinguished by reliability, quality of assembly and ease of use

Hand milling cutter - assistant home master

Hand milling cutter - assistant home master

A hand mill, unlike a stationary machine, takes up little space, it is relatively inexpensive, and its benefits are considerable. In skillful hands, this device can successfully replace a number of carpentry tools

Steel R18: GOST, characteristics, forging and analogues

Steel R18: GOST, characteristics, forging and analogues

Every person, even the most distant from the industry, at least out of the corner of his ear heard about the outstanding properties of P18 high speed steel. It is rumored to be a super-hard alloy capable of cutting, drilling, or otherwise working any other grade of steel. In addition to strength characteristics, high-speed 18th steel is highly valued by blacksmiths, manufacturers of household knives and edged weapons. Did P18 steel deserve such an attitude or not? You will learn about this from the article

Steel 40ХН: characteristics, GOST and analogues

Steel 40ХН: characteristics, GOST and analogues

Unfortunately, exploring the vast Internet in search of simple and understandable articles on the topic of metal structures and steels in principle, at best, you will find a couple of completely unstructured articles that do not make so much sense. In other cases, information is provided in the form of simple clippings from regulatory documents, where all information will be given in the form of obscure scientific and technical abbreviations and designations

Pridneprovskaya TPP (Dnepropetrovsk region)

Pridneprovskaya TPP (Dnepropetrovsk region)

Pridneprovska TPP is a large regional thermal power plant that provides energy and heat to the Dnipropetrovsk region. It is located in the suburbs of the city of Dnepr (formerly Dnepropetrovsk) on the left bank of the river of the same name. The installed capacity is 1765 MW

Zmievskaya TPP, Kharkiv region

Zmievskaya TPP, Kharkiv region

Zmiivska Thermal Power Plant is one of the most powerful TPPs in Ukraine. The heat and power supply of three regions depends on its work: Poltava, Sumy, Kharkov. The design capacity reaches 2400 MW. Currently, the enterprise is undergoing a large-scale reconstruction in order to transfer the station to gas coals

Solder for soldering copper, aluminum, brass, steel, stainless steel. Solder composition for soldering. Types of solders for soldering

Solder for soldering copper, aluminum, brass, steel, stainless steel. Solder composition for soldering. Types of solders for soldering

When it is necessary to securely fasten various solid joints together, soldering is most often chosen for this. This process is widespread in many industries. We have to solder and home craftsmen

How much is Airbus A321

How much is Airbus A321

The Airbus A321 cabin accommodates 185-220 passengers, the car moves in the air at a speed of 903 km/h, the maximum lifting height is 10.5 km, the flight range is about 4.3 thousand km. The aircraft has six passenger and eight emergency doors with a fuselage length of about 45 meters

Productivity of bulldozers. Bulldozer Performance Calculation

Productivity of bulldozers. Bulldozer Performance Calculation

When developing pits, excavations and embankments, it is advisable to use a bulldozer set of equipment if the average range of longitudinal or transverse hauling does not exceed 100 meters. To choose the most optimal model of special equipment, it is necessary to compare the performance of bulldozers with different traction classes and different types of working equipment

General purpose engines: device, principle of operation, application, photo

General purpose engines: device, principle of operation, application, photo

Automotive equipment is mainly equipped with standardized internal combustion engines (ICEs), the design of which is focused on placement in the engine compartment. However, there is a great demand for power units of this kind in the garden equipment segments, from manufacturers of snowplows, snowmobiles, etc. Moreover, the requirements for integration and operational parameters in such cases differ sharply from automotive standards

Heating oil as an alternative to traditional heating

Heating oil as an alternative to traditional heating

Heating oil has become the most demanded resource for heat production. It is not advisable to use gas and electricity as space heating and water. Moreover, when burned, heating oil releases much more energy than diesel fuel, making it the most suitable energy source for home heating

Two-component adhesive (epoxy, polyurethane)

Two-component adhesive (epoxy, polyurethane)

Two-component adhesive - a group of high-quality adhesives that do not contain solvents. The main components are resins (binders) and hardeners (separately stored, can be either in the form of a suspension or in powder)

Russian helicopter "Black Shark" with sharp teeth

Russian helicopter "Black Shark" with sharp teeth

U.S. Army vehicles meet the highest standards, but the Farnborough aerospace exhibition showed the complete superiority of the Russian Ka-50 Black Shark helicopter over them

Port Bronka - a multifunctional marine transshipment complex

Port Bronka - a multifunctional marine transshipment complex

A new seaport is being built in the Gulf of Finland - Bronka, adapted to receive modern container and ferry-type sea vessels. This project is being implemented within the framework of the Concept for the development of outports of St. Petersburg. The customers are the government of the Northern capital and the Ministry of Transport of the Russian Federation. Consider the history of the construction of the port and its prospects

Protection devices: purpose, types, classification, specifications, installation, features of operation, settings and repair

Protection devices: purpose, types, classification, specifications, installation, features of operation, settings and repair

Protection devices are currently in operation almost everywhere. They are designed to protect both electrical networks and electrical equipment, various machines, etc. It is very important to properly install and follow the operating rules so that the devices themselves do not cause a fire, explosion, etc

Modular plastic pontoons

Modular plastic pontoons

The article is devoted to modular plastic pontoons. The types of modules, their design, operational properties, etc. are considered

Satin is a fabric worthy of you

Satin is a fabric worthy of you

Satin is a fabric that looks great in any ensemble and always attracts attention. Clothing made from this material always looks great and pleases the eye. It can also decorate the interior of your house perfectly

Penzhinskaya TPP: status of the project and prospects

Penzhinskaya TPP: status of the project and prospects

Penzhinskaya TPP is one of the largest tidal power plants in the world, the construction of the first stage of which is planned to be completed by 2035. If the project is implemented, electrical energy will be generated by the passage of large volumes of water through the plant's turbines at high and low tides. The average annual output can be from 50 to 200 billion kWh

LDPE: application

LDPE: application

Low-density polyethylene is pressed after washing, and substances are added to it to improve its quality. A stabilizer, ethylene glycol and sodium nitrophosphate are used to lighten it, and wax is used to make it more shiny

Aramid fabric: features, properties, care

Aramid fabric: features, properties, care

What are aramid fibers? What properties does aramid fabric have? In what areas is it applied? How to properly care for a suit made of aramid fabric?

Bar glass in the manufacture of racks

Bar glass in the manufacture of racks

The bar in many establishments plays a very important role in creating an individual interior style. Therefore, many give it an unusual shape and appearance. Bar glass will help in this, which will perform all these functions

VL80s electric locomotive, design features

VL80s electric locomotive, design features

The first VL80s electric locomotives were assembled in 1961. The production of machines continued for more than 30 years, during which various changes were made to the design. One of the later modifications was the VL80s electric locomotive, produced since 1979