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Showing posts from December, 2020

Maintaining the laptop power adapter

With the growing environmental awareness, many places in our lives need to be charged: mobile phones need to be charged, cars need to be charged. If it is used incorrectly, it may cause accidents. Master the following methods to protect our chargers: Avoid humid environment When using the notebook power adapter , pay attention to avoiding humid environments. The function of the power adapter is to convert the 220 volt direct current of household electricity into direct current, so it must not be used in a humid environment. Whether you place the power adapter on the table or on the ground, please be careful not to place a water cup or damp things around it, lest the adapter gets dangerous if it gets into the water and burns out. Pay attention to heat dissipation in high temperature environment In a high room temperature environment, we can put the adapter on its side, and pay attention to the heat dissipation of the power adapter. Unlike a laptop computer, the power adapter is just a

Best Buying Ideas for Ladies Watches

Since watches are some kind of jewelry that ladies must have, they must be stylish, elegant, and complement other accessories worn, as well as clothing and images to be projected. Most women like to have a variety of watches to match their lifestyle. In general, ladies like to collect watches because it is not only a necessary piece of jewelry that can be updated over time, but also a piece of jewelry that adds appeal and supplements. Therefore, good decision-making skills are needed to buy ladies watches . The buying concept of the Ladies Watch is based on an elegant, flexible style to accommodate different types of clothing, trends, durability and costs. Since the Watch adds up to a range of accessories for most women, this item should be very picky. For watches that are one of the series and then choose durable ladies watches with classical style and brand name that have been tested on the market for several years. Burberry watches are worth mentioning because the brand has been ar

How to choose a low-price automatic mechanical watch

Mechanical watches include ordinary watches, calendar watches and automatic watches. 1. Check whether it can start automatically. The method is: gently hold the watch that relaxes the spring, and gently wind it in your hand and slowly wind it while looking at the second hand. The second hand should rotate at the beginning of the winding, otherwise it is substandard. 2. The sound of the checklist at various positions. After winding a few windings, turn the surface up, down, left, and right. Listen to whether the frequency of each position is consistent with the beat. After winding the foot, the sound is crisp and no noise. 3. Set the needle back to the test. The feel of the dial is not loose, but when it is reversed, it is normal for the second hand to stop or reverse.

Basic theoretical knowledge of inverter

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For more than 20 years, frequency converters (VFD, also known as variable speed drives-VSD) have been used in various applications. These applications include single-motor driven pumps, fans and compressors, and highly complex multi-drive machines. (This article includes the  types of VFD , the advantages and disadvantages of VFD as a tutorial) The function of the VFD is to adjust the motor speed to better meet the requirements of the drive load. The result is better process control and reduced energy consumption. The VFD system is quite expensive, but provides excellent control over plant operations. In most cases, the consequent reduction in energy costs and installation of VFDs are sufficient to offset (if not fully paid for) the high initial costs. The VFD converts AC power from the input power source into DC voltage. The VFD may also include a control mechanism through which it communicates with the motor and the driven load remotely. The control mechanism facilitates the connecti

Multihead Weigher

Multi-head weighers utilize quite a few distinct weigh heads to create precise dimensions of merchandise by calculating the weight at every weigh mind. They are also called combination weigher , The procedure starts when merchandise is fed to the surface of the multi head weigher , where a dispersal system, normally a rotating or vibrating top cone, then distributes the item to a string of linear feed dishes. A succession of drapes are typically placed round the nut to guarantee an even amount of merchandise is readily available for supply to the feed hoppers. The feed plates vibrate separately. The amplitude and period of vibration could also be varied to increase or reduce the vibration based on the qualities of the item. For tacky products a great deal of vibration will be demanded whereas for free streaming products a minimum quantity of vibration is going to be asked to find the merchandise going. Every single linear feeder will send some merchandise to a feed hopper. For instance

How to Select the Best Electric Connectors

Selecting the most appropriate electric charger for your program might be among the most essential interconnection decisions to make in your car or truck or portable equipment's layout. The right cable connectors can give a dependable method to modularize, downsize, or enhance manufacturability and area maintenance. There Are Lots of criteria to consider when picking electrical interconnect parts, such as: Engagement induce Cable dimensions Setup and circuit dimensions Running Performance Cost per circuit Current Evaluation Current rating is easily the most significant criterion in the choice of electrical connectors. This current amount is subsequently derated or corrected to the amount of circuits in a specific housing as a result of heat (temperature increase ) of the adjoining terminals. By way of instance, a normal cable connector may carry around 12 amps/circuit to a two - or 3-circuit home, but just 7.5 amps/circuit to a 12- or 15-circuit home made. Be aware that the current

What are the features of the energy-saving electric stove touch display?

The electric furnace is a heating furnace that converts the electric energy in the furnace into heat to heat the workpiece. Compared with fuel furnaces, the advantages of the electric furnace are: the furnace atmosphere is easy to control, and can even be vacuumed: the material is heated quickly, the heating temperature is high, and the temperature is easy to control ; The production process is easier to achieve mechanization and automation. The energy-saving electric furnace system is mainly composed of a touch display . The touch display is divided into main touch display screen, real-time data curve, historical data curve, curve setting, parameter setting, alarm and formula. Features of energy-saving electric stove touch display 1. Main screen The main screen is used to enter 6 different screens, including real-time data curve, historical data curve, curve setting and other screens. The main touch display screen can also monitor the temperature measurement value and set value of 6 i

Analysis Of LED Drive Power

In order to save energy and power, LEDs have been widely promoted, but LEDs need to have a power drive, which will directly affect the life of the LED, so how to make a LED drive power 9901 is the top priority of the LED power designer weight.   What we call LED driver includes digital driver and analog driver. Digital driver refers to digital circuit driver, including digital dimming control, RGB full-color change, etc. Analog drive refers to analog circuit drive, including AC constant current switching power supply, DC constant current control circuit.    LED drive power 9901 circuit is composed of electronic components, including semiconductor components, resistors, ED is a cold light source, the operating junction temperature cannot exceed the limit, and a certain margin should be left in the design. The design of the entire luminaire should consider many aspects such as beautiful appearance, convenient installation, light distribution, heat dissipation, etc., and seek a balance a

What does the glass machinery industry rely on to improve ?

With the continuous change of technology, glass products have gradually evolved from single float glass to high value-added glass products, accompanied by the upgrading of glass equipment manufacturing industry. In particular, with the development of the concepts of industry 4.0 and made in China 2025, the development of glass machinery and equipment industry is also accelerating. Some mechanical and equipment enterprises obviously feel that orders have increased in the past two years. "there have been a lot of orders over the years, but they haven't made any money," said the owner of CNC equipment. There are two main reasons: first, the overall market environment is not good, difficult to collect money. The glass industry has been in a doldrums until 2016, but there is no sign of a significant increase in orders from glass manufacturers, so the demand for machinery is the same. Although the equipment industry is not as fast as other industries, but from the time point o

Production of 300 pieces 21.5 inch industrial open frame touch monitors

Recently, the 300 pieces of 21.5 inch industrial open frame touch monitors . Toponetech open frame touch monitors company produced for a top 100 European company have been installed and will be packaged and shipped soon! From R&D to mass production, our company lasted more than half a year. In the sample design stage, the company based on more than 10 years production experience of Open Frame Touch Monitor, we provide solutions to completely solve problems such as ineffective touch and random jumping of the open frame touch monitors currently used by customers. The customers are very satisfied with our company's proposal. Through the study of samples, the customer expressed our company's factory's production and quality control capabilities very much praise, and then signed a trial order for 300 units. After reaching the cooperation, our company immediately organized workers to start mass production. In the cold and windy December, our workers in our open frame touch mo

Picnic Blanket Function

A picnic blanket is an outdoor equipment that needs to be used when camping and picnicking in the wild. The importance of a picnic blanket is no less important than a sleeping bag. It is an insulator between the ground and the human body and can reduce the discomfort caused by sleeping on uneven ground. More importantly, the picnic blanket can prevent the cold and humid gas from affecting the body, prevent cold, and play a role in heat preservation and moisture prevention. It is a very important piece of outdoor equipment in field activities. The function of picnic blanket First, anti-corruption. Because it is difficult to find a flat place during a picnic or camping in the wild, you will feel very uncomfortable when you sleep. The situation will be much better with the outdoor equipment of a picnic blanket . Second, keep warm. Since the body is generally in direct contact with the ground during a picnic or camping in the wild (only the heat insulation effect of the tent bottom is neg

Basic maintenance of coin operated washing machines

Coin operated washing machines need to be maintained from the beginning of "service". As a professional washing equipment supplier, we do not recommend that you spend too much money to maintain coin-operated washing machines. If the cost is too high, coin-operated washing machines will lose commercial use value. Today, I will teach you some basic maintenance work, which can allow you to obtain long-term benefits from low-cost maintenance. 1. Lengthen the drain pipe of the washing machine If the drain pipe of the coin-operated washing machine is too short and it is inconvenient to use, find a used bicycle inner tube that does not leak, cut the appropriate length, scrape the interface and put it on the washing machine drain pipe, and stick it with glue. The inner tube becomes a tube. 2. Anti-rust of washing machine screws When the washing machine has been in a humid environment for a long time, the screws on the sides and bottom are easy to rust and are difficult to unscrew du

Some knowledge about coin operated washing machines

Operation of coin operated washing machines 1. Can be left unattended 24 hours a day; 2. No special person on duty management, no buttons, coin-operated self-service laundry; 3. After inserting the coin, it will automatically enter the laundry process, without any operation waiting for the clothes to be picked up; Function of self-service coin operated washing machine 1. Built-in ozone generator! Dissolve to produce ozone water to effectively sterilize and decontaminate; 2. The sterilization rate is over 99.5%; Product commercialization advantages of self-service coin operated washing machines 1. Large market: Schools, factories, hospitals, military and other densely populated areas have generated great laundry needs; 2. Small investment: only invest a few thousand yuan, you will have a stable income of independent operation; 3. Stable returns: Someone washes clothes every day, making money every day; 4. Easy management: no need to be on duty, open the box regularly to collect money; 5

Picnic Blanket Function

A picnic blanket is an outdoor equipment that needs to be used when camping and picnicking in the wild. The importance of a picnic blanket is no less important than a sleeping bag. It is an insulator between the ground and the human body and can reduce the discomfort caused by sleeping on uneven ground. More importantly, the picnic blanket can prevent the cold and humid gas from affecting the body, prevent cold, and play a role in heat preservation and moisture prevention. It is a very important piece of outdoor equipment in field activities. The function of picnic blanket First, anti-corruption. Because it is difficult to find a flat place during a picnic or camping in the wild, you will feel very uncomfortable when you sleep. The situation will be much better with the outdoor equipment of a picnic blanket. Second, keep warm. Since the body is generally in direct contact with the ground during a picnic or camping in the wild (only the heat insulation effect of the tent bottom is neg

Playing Card Manufacturer WJPC Printing

When it comes to producing playing cards , the vast majority of quality custom decks are produced by big name printing companies like the United States Playing Card Company. But there's a couple of reasons why it can be important to know something about the smaller players in the playing card industry. Firstly, perhaps you're a designer or creator, looking to produce your own custom playing cards for a crowd-funded project or otherwise. Or maybe you're a consumer, and as a collector or cardist you're buying a custom deck for your collection or to use. Either way, it can be useful to know something about what options you have in printing your own deck, and what kind of quality you can expect if you buy a deck from a particular printing company. Make Playing Cards Not only does WJPC Printing make playing cards for others, but they have also developed their own branded playing cards. After receiving many requests to produce their own brand of cards,they launched their own

Precautions for rapid prototyping of injection molded parts

In the rapid prototyping process of plastic injection molding  parts, the injection molding machine works quickly under the conditions of strong, high speed, high temperature and high pressure. Its injection mechanism is a high pressure, high speed and local high-temperature machine, which has a certain degree of danger, so it is working, I need to remind all colleagues to pay attention to the following dangerous areas: (1) Feeding area-the high-temperature screw is in a rotating state, so do not put iron rods or other foreign objects into it. (2) Material pipe area-this area is the material heating area, which is easy to burn due to high temperature. (3) Nozzle area-the place where the rubber is the high-pressure injection, there is a danger of splashing or scalding. (4) Mold area----This is a high-speed and high-voltage switch action area, which is quite dangerous. Raw materials may also be sprayed from the mold clamping surface, so special care is required. (5) Die support area-powe

The most likely defects in the plastic injection molding process

There may be such and other problems in the plastic injection molding  process. What are the most likely defects? Today we will tell you that the most likely defects in the plastic injection molding are as follows: Features of injection molded parts defects The injection molding process is incomplete because the cavity is not filled with plastic or the injection molding process lacks certain details.  Possible cause of the problem (1) Insufficient injection speed (2) Plastic shortage (3) The screw does not leave the screw gasket at the end of the stroke. (4) The running time changes. (5) The temperature of the injection cylinder is too low (6) Insufficient injection pressure (7) The nozzle part is sealed (8) The heater outside the nozzle or the injection cylinder cannot work (9) Injection time is too short (10) Plastic is attached to the throat wall of the hopper (11) The capacity of the injection molding machine is too small (ie, injection weight or plasticizing capacity) (12) Mold te

Playing Card Manufacturer WJPC Printing

When it comes to producing playing cards , the vast majority of quality custom decks are produced by big name printing companies like the United States Playing Card Company. But there's a couple of reasons why it can be important to know something about the smaller players in the playing card industry. Firstly, perhaps you're a designer or creator, looking to produce your own custom playing cards for a crowd-funded project or otherwise. Or maybe you're a consumer, and as a collector or cardist you're buying a custom deck for your collection or to use. Either way, it can be useful to know something about what options you have in printing your own deck, and what kind of quality you can expect if you buy a deck from a particular printing company. Make Playing Cards Not only does WJPC Printing make playing cards for others, but they have also developed their own branded playing cards. After receiving many requests to produce their own brand of cards,they launched their own

The difference between some connectors commonly used in fiber optic connections

The difference between some commonly used connectors in optical fiber links such as optical fiber distribution frame, terminal box, fiber distribution box, ODF distribution frame, I believe that many friends have been or have been confused. Today Let's discuss this topic. If we sort out the functions of these four connectors, we find that they can be unified into the following 4 points: ①The fixed functional optical cable enters the rack, its outer sheath and reinforcing core shall be mechanically fixed, ground wire protection parts shall be installed, end protection treatment shall be carried out, and the optical fibers shall be grouped and protected. ②The splicing function, the optical fiber drawn from the optical cable is spliced ​​with the tail cable, the excess optical fiber is coiled and stored, and the spliced ​​joint is protected. ③The adaptor and connector can be flexibly inserted and removed; the optical path can be freely adjusted and tested. ④ Appropriate space and meth

Collecting Playing Cards

Collected playing cards when I was in primary school. I remember when I got my pocket money every Friday I would run to store buy cards for my collection. Then, what happens with a lot of young girls, my focus on life changed, and my interest in playing card collecting waned for many years, through my teens, early work life, marriage and children. In the early 1980s with my family growing up and developing their own interests, I began to feel the need to develop an activity that I could immerse myself in. One day when cleaning out one of my cupboards I came across a small shoe box with my childhood poker cards from primary school, and that box has now turned into a room full, well, several rooms. I enjoy sharing my collection and knowledge with all collectors.My singles playing card collection consists of many categories from Antique Square corners to Disney, Railroad, Shipping, Jokers, Worshipfuls and many more. The pride of my collection is my Australian collection - it is the his

What are the classifications of optical fiber distribution frames

The optical distribution frame is connected to the optical fiber connectors. In the integrated wiring, the optical fiber distribution frame will appear after the optical fiber appears, and the optical fiber generally appears in the vertical subsystem, then the problem is here, what are the optical fiber distribution frames Classification? Follow us, we will tell you some classifications of optical fiber distribution frames. Unitary The unit type optical fiber distribution frame is to install multiple units on a rack, and each unit is an independent optical fiber distribution frame. This type of distribution frame not only retains the characteristics of the original small and medium-sized optical fiber distribution frame, but also provides space utilization through the structural deformation of the frame. It is a common structure in the early days of large-capacity optical fiber distribution frames. However, due to its inherent limitations in space provision, there are certain inconven

Invisible design of fireproof drawer safe

Traditional in-wall safes are cumbersome to operate. Some require people to climb into the cabinet and remove the hidden door to open the safe; some are installed under the bed and need to open the panel to open the safe, which undoubtedly brings a lot of trouble to actual use. Following the trend of modern home furnishing, Guarda Safe has developed a fireproof drawer safe  through continuous exploration and innovation, which is also a safe with a 1-hour fire protection function. As a member of the large family of embedded safes, it is special in that it does not need to be embedded in the wall, but can be directly embedded in the drawer, which is both concealed and convenient to use. Fireproof drawer safe In terms of appearance design, uphold the concept of simplicity and fashion, using classic white, clean and neat; on the lock, the digital password black key, simple key hole, eye-catching but elegant, while satisfying consumers' need for multiple ways to unlock Claim. On the who

What are the advantages of touch screen display?

Advantages and application fields of touch screen display  Optical touch technology is a new technology that is different from the existing infrared, surface acoustic wave, resistance, capacitance and other touch technologies. The optical sensor responds quickly to detailed actions, making your application lighter, smoother and more accurate! The creative application of multi-touch technology is the icing on the cake for touch display technology! Optical touch technology breaks the bottleneck of the original touch display technology, greatly improving accuracy, response speed and life. The two cameras installed at the left and right corners of the top can accurately detect the positions of multiple fingers. Not only can you click, drag, but also rotate and enlarge the picture freely. These operations depend on the number of fingers and the unit area. Touch the screen lightly and enjoy the fun of controlling the movement of three-dimensional objects and zero-distance contact with virtua

What is the prospect of touch screen market?

It has been more than ten years since the Chinese touch screen market began to rise in the late 1990s. Touch technologies are also emerging one after another. The characteristics of various touch screens are also mixed. The current mainstream touch technologies in the domestic market should be infrared, surface acoustic wave and resistive screens. Mainly, but these technologies also have flaws, such as sonic screens that require force to click, and the performance of resistive screens is unstable. The emergence of optical touch screens has basically solved many touch screen problems and has sufficient conditions to lead the future touch screen market. Market prospect analysis of touch screen The optical touch technology is superior to the existing technology in terms of response speed and touch accuracy. Among the many existing touch technologies, infrared technology is superior to other technologies in response speed, sensitivity and touch strength, and it is slightly inferior to opt

Pollution Causes and Maintenance of Hydraulic System of Injection Molding Machine

Quality of hydraulic system of injection molding machine not only depends on rationality of system design and performance of system components, but also due to pollution prevention and treatment of system, pollution of system directly affects reliability of hydraulic system of injection molding machine and use of components life. Hydraulic System of Injection Molding Machine  According to statistics, about 70% of hydraulic system failures of injection molding machines at home and abroad are caused by pollution. Main hazards of oil pollution to system are as follows: 1. Component blockage and clamping failure Solid particles block gaps and orifices of hydraulic valve, causing blockage and clamping of valve core, affecting working performance, and even causing serious accidents. 2.Contamination and wear of components Various pollutants in oil cause various forms of wear of components, solid particles enter gap of moving pair, causing cutting or fatigue wear on the surface of part. Impa

How to maintain and clean the gas pasta cooker

Features of gas pasta cooker It solves the shortcomings of traditional products that boiled soybean milk is easy to stick to the bottom, and has the functions of boiling, stewing, boiling, and halogen, and can use liquefied gas, natural gas and other gas. The gas pasta cooker  has super heat preservation and heat storage functions, can quickly boil twice, and has a significant effect of 30-50% energy saving than traditional products. Product application fields of gas pasta cooker: The commercial gas pasta cooker is suitable for noodle cooking, hot powder and so on. Maintenance and cleaning method of gas pasta cooker: 1. The equipment should be kept clean and hygienic. When cleaning, please wipe it with a wet towel. Avoid using a spray pipe to directly spray and rinse. In any case, the power cord and internal control parts of the equipment should be avoided from contact with water to avoid damage to the electrical of the equipment. Performance and safety performance, the power must be c

Advantages and uses of manual winch

Advantages of manual winch : 1. When various kinds of rescue work are needed, the hand winch is another option besides the vehicle winch. 2. Its biggest advantage is that it is portable and can be connected from any direction of the car. Lightweight and strong, electroplated and pressed steel structure, the steel cable is driven by two built-in forks to pull the pulley to advance the unit. 3. These prongs pull the steel cable when the winch is in forward mode, and also an automatic braking system. The fork will automatically lock when the grip is increased. The hand winch can also be used for lifting (the lifting force is about 65% of the drag force). Manual winch use: The manual winch is a lifting tool suitable for many places. Hand-cranked winches can be used for self-rescue vehicles in harsh environments such as snow, swamps, deserts, beaches, and muddy mountain roads, and may be used for operations such as clearing obstacles, dragging objects, and installing facilities for hand-cra

Classic game of solitaire with playing cards

The classic game of solitaire with playing cards has been keeping people amused for a couple of hundred years. The advent of computers has only helped make this genre of card games more accessible, easy, and fun to play.There are real advantages in playing a digital version of solitaire. But what are some of the options for playing digitally?  To help figure out which digital resources are best, let's first talk about what you should be looking for in a good program. What features should you look for in a software program, app, or browser based implementation that allows you to play Solitaire? Personally I find that programs which offer an option that provides a "winning deal" much more enjoyable to play, otherwise you can quickly get stuck after a random hand that doesn't let you progress very far. But for you this may be completely unimportant, so a particular feature might be more important to one person than another. But there are general considerations you should

How Did South Korea Become a Democracy?

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Struggle. A lot of struggle.In 1945, Japan finally relinquished Korea from occupation and transferred their authorities to the People's Republic of Korea, which was a social democratic Provisional Government under Lyuh Un Hyung. However, the Allies quickly came to the realization that they would benefit from dividing the peninsula because the Soviets needed the natural resources from the North and the Americans needed a buffer for Japan in the South.Fast forward to 1948. The unification talks between the United States and the Soviet Union stal led and the Americans pushed for unilateral elections in the South, electing Syngman Rhee, a famous independence activist and statesman, as president. The Soviets followed suit, having Kim Tu Bong and Kim Il Sung as leaders (Communists liked collective leadership). The South had major defects in governance. First, the political culture there did not see democratization, so no one really understood this liberal democracy. Myopically, the r