The development trend of the hottest commercial fo

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The development trend of commercial form printing is unstoppable (Part 1)

commercial form printing products mainly refer to various commercial forms used by banks, finance, transportation, energy, finance and trade, restaurants, enterprises and institutions, scientific research departments and other units, as well as special printing products for computer continuous paper. Commercial form printing rose gradually in China in the mid-1980s, and its total equipment and production capacity increased year by year. With the development of electronic computer application in China at an irresistible speed, commercial form printing equipment is also surging up in China

commercial computer form printing is a kind of printing with strict process requirements and high product quality requirements. However, many domestic manufacturers neglect production management, resulting in unstable product quality, affecting the efficiency of computers, and even some products are scrapped. Therefore, it is necessary to correctly master the technical characteristics and quality requirements of commercial form printing. This paper briefly introduces the commercial form equipment and production process management based on my work practice

performance and management of commercial form printing machine

commercial form printing machine is a multi-functional printing equipment that takes web paper as raw material, can print bills and computer paper of various specifications, and can also print large batches of famous postcards, labels and other products. The following introduces the structure and performance of the six color "rk200s" commercial form printing machine imported from Spain in the early stage

(I) main technical parameters

1, maximum printing paper width 500mm 4, plate mouth width 10mm

2, maximum printing width 480mm 5, maximum printing speed 250m/min

3, roller size range 11inch to 25inch 6, paper range g/m2

(II) use of raw materials

1, pre coated photosensitive PS plate with thickness of 0 2mm, the bending machine equipped with the machine shall be used to bend the arc at the beginning and end before the upper plate, so as to avoid the error of printing size and overprint, and facilitate the plate loading

2. Domestic fast drying offset printing ink is generally used, and UV ink is required for multi-color large area patterns. The machine can be equipped with a UV ink drying device

3 according to the user's requirements. The blanket adopts a self-adhesive blanket with a thickness of 1.02mm

(III) composition

the machine is composed of a paper feeding section, an offset section, a reversing device and a processing folding section

1. Paper feeding section: this section includes automatic paper feeding device, paper balancing device, paper tension control device, paper edge locator, etc

(1) automatic paper feeding device: the paper feeding is automatically completed by air pressure. The maximum web diameter can reach 50inch, and the web position can be adjusted left and right

(2) paper balance and tension control device: the paper passes through several paper guide rollers to make the paper reach the tension control device smoothly. The tension control device of the machine is controlled by the electromagnetic brake disc, so that the paper can travel evenly and the tension is appropriate, so as to ensure the printing and processing accuracy

(3) paper tail monitor: when the web is in high-speed printing and the cylinder center margin reaches the set position, the machine will automatically alarm, decelerate, release and stop

(4) paper edge positioner: it can automatically control the left and right positions of web paper to ensure the printing and processing accuracy (2) vernier caliper. The device can also be adjusted at the paper receiving position

2. Offset printing part: the machine is composed of the same offset printing unit, and the inch printing cylinder group polyethersulfone can be replaced at any time according to the requirements of printing specifications. It is radel advanced by Solvay

in order to facilitate the adjustment of overprint, each unit is equipped with an automatic zero setting device. After automatic zero setting, the drum circumference of each unit can be rotated back and forth by 5mm, and the left and right can be moved by 5mm respectively to correct the drop deviation after zero setting. Pneumatic control is adopted for the combination and separation of offset printing. Alcohol fountain system is adopted for fountain plate, which can be adjusted according to printing requirements

3. Reversing device: it is composed of a paper reversing mechanism and a vacuum pump, which can form six color printed matter at one time

4. Processing folding part: in order to ensure the accurate alignment of multi-layer page distribution forms, and also suitable for the use of electronic computers, the unit is equipped with limit punching, horizontal ridging, vertical ridging, slitting and waste discharge devices, and then can be folded into 8inch. 8 if the dispenser is unable or unwilling to report the 1/2inch of the material type of excessive packaging 11inch, 12inch and other specifications are equipped with a counting system to facilitate statistics

(IV) equipment site management

the quality of printing equipment directly affects product quality, enterprise efficiency and even production safety. According to the characteristics of the printing industry, such as strong periodicity, short time and high quality requirements, production can be guaranteed only by properly managing the equipment. In particular, the main feature of the commercial form machine is its fast speed. Good maintenance of the equipment has a deeper effect on completing production tasks on time, according to quality and quantity, and enhancing the market competitiveness of products

the "rk-200s" form machine used by our factory has paid attention to the on-site management of the equipment. Since the beginning of 1994, it has been used until now. Let alone major failures. 1. Microcomputer display, full Chinese menu operation, and even some vulnerable parts such as bearings have not been replaced. Until this year, we began to replace some ink rollers. Then, how to prolong the service life of the equipment. How to ensure the normal production of equipment and improve the production capacity of commercial form machines? Please continue to follow the detailed explanation

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