Scratching and sticking are common problems in plastic gift card printing. Here are some detailed measures to avoid these problems:
First, measures to avoid scratching
1. Choose the right materials
Using a medium thickness paper or card suitable for scratch card production, this material can effectively reduce the risk of scratching.
2. Control printing pressure and speed
In the printing process, the printing pressure should be kept consistent to avoid scratching due to excessive pressure. At the same time, the printing speed is controlled to ensure the uniform ink layer.
3. Use abrasion resistant and scratch resistant coating
After printing is complete, apply a wear-resistant, transparent scraping coating to the designated area, which not only protects the printed content, but also prevents scratching.
4. Operator training
Staff should wear gloves and handle the product gently to avoid scratching caused by collision or friction.
5. Keep your work environment clean
The working surface should be kept clean and hygienic to avoid dust and foreign matter from scratching the printed matter.
6. Choose the right scraper
The scraper should be made of polyurethane, with strong solvent resistance and good wear resistance, and regularly check whether the blade edge of the scraper is normal.
2. Measures to avoid adhesion
1. Select the appropriate ink and substrate
Use an ink suitable for the substrate material, and pay attention to the drying speed of the ink. Gloss type ink is easy to cause adhesion, so it should be avoided as much as possible.
2. Control the printing process
In gravure printing, attention should be paid to the adhesion of the ink layer to avoid the ink layer being too thick or too thin. For single-side printing, the corona processing device should be adjusted to slow down the printing speed and increase the temperature of the drying oven.
3. Use anti-stick products
Choose a substrate with anti-adhesion characteristics, such as BOPP film, aluminum foil, PTFE, etc., these materials have good smoothness and opening.
4. Optimize the printing pattern design
Avoid focusing the print pattern on specific parts, especially curly films, as these parts are prone to adhesion under pressure.
5. Use an anti-adhesive
During the printing process, anti-adhesion agents can be used to reduce the adhesion between the ink layer and the substrate.
6. Control the printing environment
Ensure that the temperature and humidity of the printing environment are appropriate to avoid ink adhesion due to environmental factors.
7. Properly wrap and store
Do not roll too tightly when winding, especially plastic film prints, to avoid adhesion due to excessive pressure.
Iii. Comprehensive Suggestions
1. Strictly control printing parameters
In the printing process, the operation should be strictly in accordance with the process requirements to avoid scratching or adhesion due to improper parameter setting.
2. Maintain the device regularly
Check and maintain the printing equipment regularly to ensure the normal operation of the equipment and reduce the problems caused by equipment failure.
3. Sample test
Before the formal production, a small number of samples should be made for testing to confirm the printing effect and then mass production.
Through the above measures, the problems of scratching and adhesion in the process of plastic gift card printing can be effectively avoided, so as to improve product quality and customer satisfaction.
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Zhongshan city Tuhong Packaging Products Co., Ltd.
