1. The machine of the automatic laminating machine does not start: the input wire is disconnected, the power cord is reversed, and the voltage is not enough.
2. When the automatic laminating machine does not reach the suction, the film is pulled down: whether the solenoid valve or the hand valve is open.
3. Suction film is not in place: insufficient vacuum, air leakage, insufficient temperature, the film is too thin, the workpiece is pasted with other materials, the concave depth of the workpiece exceeds the lift of the film, the suction time is too short, the film is not lifted, the distance of the workpiece Too close.
4. The main power switch trips: leakage of the input wire on the top of the heating box, leakage of the distribution box, external wires on the equipment, leakage of the motor, etc.
Fifth, the working vacuum does not come up: the gas path is not open, the hand valve or the solenoid valve is not closed, the vacuum pump motor belt is loose, and the vacuum gauge is damaged.
Sixth, the surface of the overlaid workpiece is folded and not smooth or the corners cannot be wrapped: the film is not straightened, the quality of the film is not good, the workpiece is not well polished, the glue is sprayed too much, and the mold below the workpiece is too low.
7. Inaccurate temperature measurement: thermocouple, temperature controller. Whether the installation is incorrect and damaged.
8. Breaking phenomenon: the temperature is too high, the heating time is too long, the film quality is not good, and there is no heating.

The characteristics of the automatic laminating machine: stable operation, high speed, high precision, and no pollution to the paper surface
Process flow of automatic laminating machine:
Rely on the suction and blowing to separate the paper from the stack and transport it to the host
1. Loose paper blowing nozzle, blow more than ten sheets of paper on the top of the loose paper stack;
2. The paper separation nozzle separates the top paper from the loose paper;
3. Press the paper corner to press the unseparated paper;
4. The paper feeding nozzle conveys the separated single paper forward;
5. Paper on the flush paper stack;
6. The paper delivery nozzle continues to feed the single sheet of paper forward to the front gauge for positioning;
Maintenance method of automatic laminating machine:
1. Regularly clean the dust, slippery and powder impurities accumulated in the suction cylinder (up and down activities with a little gas oil, clean and dry);
2. In daily work, due to the accumulation of various impurities on the semi-closed friction surface, it should be cleaned periodically. It can be cleaned with gasoline, either manually or manually. After the dirty oil flows out, wipe it and add lubricating oil;
3. The nozzle tablet should be replaced regularly;
4. The air shaft and the air suction tube of the suction nozzle are strictly prohibited to add lubricating oil;
5. Grease or lubricating oil is often added to the internal eccentric cams, remember not to overdo it;

The laminating of the automatic laminating machine is to apply the adhesive to the plastic film and combine it with the printed matter using paper as the substrate, pressurized by the rubber roller and the heating roller, and form a product of paper and plastic. The printed product after lamination has a thin and transparent plastic film on the surface, which makes the surface smoother and brighter. The automatic laminator not only improves the gloss and fastness of the printed product, but also extends the service life of the printed product. At the same time, the plastic The film also plays a protective role such as waterproof, anti-fouling, abrasion resistance, folding resistance, and chemical resistance.
If a transparent bright film laminating film is used, the printed graphics and text of the laminating product are more vivid and full of three-dimensional sense, which is especially suitable for the packaging of green food and other commodities, which can arouse people's appetite and consumption desire. If a matte film lamination is used, the lamination product will give consumers a noble and elegant feeling. Therefore, the packaging printed matter after laminating can significantly improve the grade and added value of the product packaging.

In the printing industry, automatic laminating machines are indispensable, and their work efficiency has been widely recognized, so what are the characteristics of automatic laminating machines? The following editor will take you to understand!
Automatic laminating machine is a kind of printed material that is made of plastic film through machine processing and printing on paper. This is widely used in people's daily life. It is mainly used in magazines, book covers, packaging boxes, calendars, paper bags, etc. It can be said to be everywhere. In the past, traditional laminating machines had low working efficiency and high labor costs. Nowadays, people have invented automatic laminating machines, which use modern advanced laminating technology to automate paper feeding and cutting, which greatly improves production. Efficiency, reducing the cost of manual input. Not only that, the color of the product after the automatic laminating machine is more beautiful and beautiful, and it is moisture-proof, easy to clean, and durable. Automatic laminating machine is generally composed of three parts: gluing, drying tunnel and hot pressing. For gluing, it mainly uses an adjustment device to adjust the amount of gluing to meet different needs. The drying tunnel mainly uses electric heating tubes and fans to complete the drying of the adhesive on the drying tunnel of 2 to 3 meters. Hot pressing is mainly to obtain a firm interface layer and achieve the purpose of being durable.
What are the coating forms of the automatic laminator? There are mainly roller reversal type, concave type, direct glue without scraper and direct glue with scraper.
1. Concave glue application. It consists of a metal glue roller with a textured surface and a group of film partition rollers. The glue roller is directly immersed in the glue solution, and the glue solution is taken out from the glue storage tank with the rotation of the roller. The excess surface is scraped off by the scraper Glue. Under the action of the film pressing roller, the glue in the groove of the roller is driven by the film to be coated which is directionally moved and is evenly spread on the film surface. The amount of glue can be controlled by adjusting the grid pattern on the surface of the coating roller shaft, the characteristic value of the adhesive, and the pressure value of the laminating roller. The advantage of concave coating is that it can control the amount of coating more accurately and coat evenly; however, the anilox roller is difficult to process and easy to damage, and it needs to be cleaned frequently. In addition, the coating requires higher adhesives.
2. Reverse roller coating. It is an indirect glue coating, which is the most widely used by various models. . The glue supply roller brings out glue from the glue storage tank, and the glue scraping roller and the glue plate can scrape the excess glue back to the glue storage tank. The film counter-pressure roller of the laminator presses the film to be applied to the surface of the glue roller after the glue is homogenized, and maintains a certain contact area, and the glue solution is continuously coated on the surface of the film under the action of pressure and adhesion. The amount of glue can be changed by adjusting the distance between the rubber roller and the rubber roller, and the rubber roller and the rubber sheet.
3. No-squeegee roller squeeze coating. The glue roller is directly immersed in the glue liquid. During the coating, the glue roller brings out the glue liquid and passes through the glue roller. After the glue is evenly glued, the glue is applied by the pressing force between the film pressing roller and the glue roller.

The advantages of automatic laminator technology are obvious:
First, if the automatic laminating machine does not use glue, the cost will be reduced a lot, and it is obviously reduced. Especially for the matt film and the laser film, the cost is basically reduced by about 10%.
Second, the automatic laminator is absolutely safe and environmentally friendly. In the past, those easily volatile harmful gases were very harmful to the human body during use. At the same time, after experiments, in a 5% caustic soda solution at 80°C, Putting the product into light agitation, the indentation of adhesive may show the phenomenon that the film and the paper are separated. The film floats up and the paper sinks, which is easy to recycle, so it is a product with a higher green level.
Third, due to the automatic laminating of the glue, the glue layer is 0.002～0.003mm after the initial drying, so the powder on the printing paper will appear to be uncompressed, and the product will be uncompacted. snowflake". But the automatic lamination without glue will not, because the film used in this technology is 0.017 ~ 0.02mm thick, and it becomes this thickness of glue in its hot melt state, so it can be used casually with less than half the pressure. No "snowflake" is produced, so there is no need to dust.
The conventional automatic laminating machine technology on the market adopts the method of adhesive laminating, and the method of the automatic laminating machine is different. The PE film with high pressure polyethylene as the main material is used. After the special treatment of the PE film is stopped, , You can load the PE film hot-melt on the color printing paper, after the automatic laminating machine processing, there will be no bubbles when rubbing hard, can withstand high temperatures of about 20 degrees to 120 degrees, automatic glue-free film In the process of the machine, a layer of auxiliary materials is inserted between the heating roller and the PE film, and passes through the automatic laminating machine together, and then the automatic laminating product is removed from the auxiliary materials. Due to the different materials used, the same kind of PE film can make light film, matt or other effects. First of all, high-pressure polyethylene blow molding PE film as the main material, that is because of its easy to obtain hot melt and plasticity.