How to troubleshoot the common faults of the laminating machine
1. The machine does not start: the input wire is blocked, the power wire is reversely connected, and the voltage is not enough.
Second, the temperature measurement is not accurate: thermocouple, temperature controller. Incorrect installation and damage.
3. The working vacuum cannot come up: the air path is blocked, the hand valve or solenoid valve is not closed, the vacuum pump motor belt is loose, and the vacuum gauge is damaged.
4. The main power switch is tripped: the input wire on the top of the heating box is leaking, the distribution box is leaking, the outside wire is on the equipment, the motor is leaking, etc.
5. The suction film is not in place: the vacuum degree is not enough, the air leaks, the temperature is not enough, the film is too thin, the workpiece is pasted with other materials, the concave depth of the workpiece exceeds the pull-up of the film, the suction time is too short, The film is not pulled up and the workpiece is too close.
6. The surface of the overlaid workpiece is folded and not smooth or the corners cannot be wrapped: the film is not straightened, the film quality is not good, the workpiece is not polished well, the glue is sprayed too much, the touch under the workpiece Board is too low.
7. The membrane pulls down and rises before the suction cover: whether the solenoid valve or hand valve is open.
Eight, the phenomenon of play breaking: the temperature is too high, the heating time is too long, the film quality is not good, and there is no heating.
9. Bad sticking to the table
1. Improper selection of adhesive, improper setting of glue amount, and wrong proportioning measurement. The type and amount of adhesive should be re-selected.
2. The diluent contains alcohol and water that consume NCO group, so that the hydroxyl group of the main agent does not react. High purity ethyl acetate should be used.
3. There is powder spray on the surface of the printed matter. Gently wipe off with a dry cloth.
4. The ink layer of the printed matter is too thick. The adhesive coating arrangement should be increased, and the pressure should be increased.
5. The ink layer of the printed matter is not dry or completely dry. It should be hot-pressed again and then glued; choose the adhesive with high solid content; increase the coating thickness of the adhesive; increase the temperature of the drying tunnel, etc.
6. The adhesive is absorbed by the printing ink and paper , so that the coating amount is insufficient. The application amount should be reformulated and set.
7. The surface treatment of the plastic film is not enough or exceeds the expiry date, making the treated surface invalid. The plastic film should be replaced.
8. The pressure is too low, the vehicle speed is fast, and the temperature is low. The film temperature and pressure should be increased, and the vehicle speed should be appropriately reduced.
How to maintain the laminating machine
1. Add lubricating oil regularly, pay special attention to the lubrication of the bearings at both ends of the heating roller, and the lubrication of the reducer to ensure the machine Work in a well lubricated state.
2. The connecting bolts of various parts should be checked frequently to ensure good connection. If damaged, they should be replaced immediately. The body grounding must be safe and reliable to prevent electric shock.
3. The space between the vacuum pump and the surrounding partition wall is at least 10 cm to ensure that the air flow required for cooling is unobstructed, and the ambient temperature does not exceed 45 °C.
4. The rubber roller used after each shutdown should be cleaned and dried in time to ensure that the roller surface is free from any foreign matter and glue. If it is not used for a long time, it should be cleaned and air-dried with moisture-proof packaging to avoid mildew.
5. After the motor reducer is used for 100 hours for the first time, the oil should be changed for maintenance. After that, the oil should be changed and maintained once every 2500 hours. The oil specification is No. 150 gear oil.
Declare: The above methods are derived from the program system index or shared by netizens. They are for your reference only and do not represent the research views of this website. sex and authority.
