Stainless Steel Basin is characterized by corrosion and rust, beautiful and durable. Stainless steel pots and points and ferromagnetism with or without ferromagnetism of.
Stainless Steel (Stainless Steel) is referred to as acid-resistant stainless steel, resistance of air, steam, water and other weak corrosive medium or stainless steel having resistance as stainless steel; and the resistance to chemical corrosion medium (acid, alkali, salt and other chemical leaching pitting) corrosion of steel known as acid-resistant steel. As the two differences in the chemical composition of leaving their corrosion resistance is different from ordinary stainless steel general impatience chemical corrosion, and acid-resistant steel are generally of a stainless steel.
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(1) Valve-type printing is mainly used for printing on outer packaging boxes and is rarely used now. (2) Continuous printing This technology has a wide range of application. So far, the main application in printing has been deflection. Spray printing and binary printing.
1 deflected printing It is the pressure of ink sent to the nozzle, the formation of the ink flow. Behind the nozzle there is a piezo device and a charging electrode that charges or does not charge each droplet. The ink drops continue to form a magnetic field. Under the action of a magnetic field, the charged droplets generate a corresponding amount of deflection according to their own charge. finally. The ink droplets pass through the air and land on the surface of the printed object passing through the print head. Uncharged ink droplets do not deflect and flow back for reuse. Among the representative brands are: Domino, Imaje, Willy and others.
2 Binary Continuous Printing This technology is mainly applied in the printing industry. It has been developing in the commercial field of printing for a long time. The ink is ejected from a series of closely spaced nozzles. The ink flow is controlled by the piezoelectric device to form ink droplets. The ink dots that do not need to be printed are not charged or deflected. Then recovered by the recovery tank. In this way, the accuracy of the print pattern is determined by the number of nozzles (lateral) or the number of ink flows (longitudinal). At present, there are Saatchi and Chase applying this technology.
(3) Pulse jet printing Pulse jet printing nozzles are developed from the field of office printing. Their technologies are mainly divided into piezoelectric inkjet printing and bubble jet printing. In addition to its widespread use in office inkjet printers, it also plays an important role in the printing industry. The main manufacturers of pulsed nozzles include Hewlett-Packard.
1 Piezoelectric jet printing Its ink jet method uses the surface tension of the ink in the nozzle to keep the ink in the nozzle. When printing is required, a pulse voltage is applied to the piezoelectric crystal, and the piezoelectric crystal is deformed. The volume of ink in the nozzle is reduced. In this way, a drop of ink is ejected from the nozzle. Then, the piezoelectric crystal returns to its original state, and the new ink re-enters the nozzle due to surface tension. This is one of them. Another method is to heat the nozzle and use a hot melt ink. In this way, the ink remaining fluid in the nozzle solidifies on the surface of the colder printed object. The piezoelectric print system can achieve good results on many printed surfaces, but it is easily scraped off during touch.
Bubble Jet Printing It is a voltage applied to two piezoelectric terminals. Due to the impedance between the terminals, the ink is instantly heated to form a vapor bubble, and a drop of ink is ejected from the nozzle due to the expansion of the bubble. New ink fills the nozzle due to surface tension. This type of product is mainly manufactured by Hewlett-Packard and Hitachi.
3. Compared with the one-dimensional bar code technology, the two-dimensional bar code technology increases the bar code of text data and has the advantages of large capacity, low cost, high accuracy, flexible coding methods, and strong anti-counterfeit security. At present, the technology has been applied to public security, commercial finance, customs and other fields.
Two-dimensional codes can be directly generated by various kinds of two-dimensional code generation software. The contents include numbers, characters, letters, patterns, etc. Since each barcode contains different contents and the complexity of the two-dimensional code pattern, digital printing is required. Equipment is a good choice for two-dimensional codes.
Two-dimensional codes have two different symbologies, namely: overlapping bar codes and matrix symbol methods. Among them, the overlapping bar code includes additional layout information, and the information is always in the correct position, and the amount of information can reach 1K letters. It can be read by infrared, laser and CCD scanners. At present, this symbology has been adopted by many industrial organizations and industrial companies.
The matrix symbol method can provide higher information density. It uses fixed-width printed "cells" or "features" to represent 0 or 1. With no marginal boundaries, it can give greater tolerance in printing and reading and store more information. It has a higher auto error correction than overlays and is more suitable for applications where barcodes are easily damaged. In terms of reading, it can only be read by a two-dimensional CCD scanner and can be scanned in all directions.
4. Magnetic printing technology Magnetic printing is a recording medium that combines printing technology and recording technology. It not only writes data on a magnetic carrier, but also reads and reads it. Therefore, it has been widely used in finance, communications and other fields. The printing technique is a method of printing or hot stamping a special magnetic tape using a magnetic ink doped with iron oxide. The so-called magnetic ink refers to magnetic ink pigments, binders, desiccants, antioxidants and other additives configured ink. Its main carrier is a uniform thickness, smooth surface, toughness, dimensional stability, water and corrosion resistant paper and plastic film base. Its printing process is usually the use of specially processed special tape, through the hot stamping method, the magnetic media is transferred to the substrate, the main products are magnetic cards, bank passbooks, boarding pass, parking fee card and so on.
5. Variable data printing technology Variable data printing, also known as personalized printing, is a combination of electronic printing and data. It was introduced into the commercial printing industry in the 1990s. Unlike traditional commercial printing, it does not print redundant backup prints. Therefore, each print is important. There is no waste throughout the printing process. The binding or sealing of its prints must also be guaranteed to be accurate and in good condition, because if there is any damage, it will lead to reprint of the entire batch. To achieve variable data printing must have three basic conditions: First, there are variable data processing applications and database systems; Second, support for variable data RIP; Third, digital printing equipment.
In short, with the continuous development of the bill printing industry, there will be more and more new anti-counterfeiting technologies.
The so-called non-magnetic stainless steel pots, in fact, can not be attracted to a magnet, it should be called without ferromagnetism.
Can not be attracted to a magnet is mainly composed of austenitic stainless steel structure, generally the food industry and the medical industry with 304 stainless steel. And that can be a magnet to attract the stainless steel interior contains a large amount of ferrite, typically decorated with low corrosion resistance of stainless steel 201,430.
Benefits 304 stainless austenitic structure without ferromagnetic are:
1. Because of the high chromium content, strong corrosion resistance, corrosion resistance that is stronger than 304 201 and so on.
2. mechanical strength than austenitic-ferritic (because ferrite is very soft), ie 304 more durable and not easily deformed.
3.304 stainless steel is (done under the Food and Drug container, etc.) internationally recognized harmless materials.
Bill Printing Technology (below)
2. Inkjet coding technology Inkjet coding technology refers to the use of certain special techniques to make very small ink droplets from a nozzle or a plurality of nozzles, the ink droplets directly through the air and fall on the surface of the material being printed. A print pattern is formed on the print. At present, there are three types of ink jet printers used by companies: valve-type printing, continuous printing, and pulse-type printing.