Printing color difference problem too deadly, how to avoid the color difference and single?

Printing color difference problem too deadly, how to avoid the color difference and single? Printing color difference problem too deadly, how to avoid the color difference and single?

in the printing process due to the types of ink, ink viscosity, scraper, embossing roller, the original film, and many other factors, are prone to ink pollution, cutter line, dry, overflow, early version, tinted, and other anomalies.

as the saying goes: 'three points look, dress up seven points! 'People are so, is it not so? With the improvement of human living standard, people more and more attention to the quality of life, the demand for goods, also from the original single only pay attention to inner quality, into both now has excellent internal quality and nice appearance. Beautiful outer packing more and more popular with consumers, and to a great extent, promote the consumption. Print quality directly affects the fine packing or not. Thus, how to effectively control and eliminate the printing process of anomalies, and improve printing quality, became the important topics we printing colleague.

color printing semi-finished products do not match the standard sample color with the customer to provide, or deep or shallow differences; Or print a version of the semi-finished products weeks in all designs, there are several patterns and several other pattern is difference.

abnormal reasons:

1. Try to brush color before starting the improper adjustment

2. Inexperienced people color matching technology, in the process of printing the original ink out again when the secondary color difference is

3. Color concentration variation or sealed samples and compared with different properties of ink

4. Viscosity of improper management

5. In the process of printing blade Angle change major

6. Printing speed change

7. Many times after the printing plate part of the network has a version, version and plug have different degree

8. Many times after the printing plate wear outlets ( Shallow)

9. The waste material ( For example, barrel cover, bowl cover at the back of the paper) Color difference product color difference

countermeasures:

1. Strengthening the perfect preparation

2. Reinforcing the training of personnel the color allocate

3. Adjust or replace ink color concentration

4. Reasonable control ink viscosity

5. When printing exception handling is really necessary to move scraper, should as far as possible control amplitude of the moving knife ( Shoulds not be too big)

6. Change in printing speed to confirm and correct when

7. Stop using household cleanser and wash version, make all graphic outlets all empty not

8. New version prepared ( Beyond the limits of printing plate to abolish remakes)

9- 1. Quality assurance to strengthen the incoming inspection, ensure incoming consistency;

9- 2. After printing to process the corresponding sample paper pad under the semi-finished products and finished products than to see color packing printing knowledge conversion table