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Common Defects And Solutions of Enamel Decal Printing

Common Defects And Solutions of Enamel Decal Printing

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  • Time of issue:2023-03-31
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(Summary description)Screen printing is one of the methods of daily enamel decoration, and it is mostly used to print enamel cups, enamel basins, etc. It uses the method of screen printing

Common Defects And Solutions of Enamel Decal Printing

(Summary description)Screen printing is one of the methods of daily enamel decoration, and it is mostly used to print enamel cups, enamel basins, etc. It uses the method of screen printing

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2023-03-31
  • Views:0
Information

Screen printing is one of the methods of daily enamel decoration, and it is mostly used to print enamel cups, enamel basins, etc. It uses the method of screen printing to let the printing color enamel be printed on the product through the screen. Screen printing has high work efficiency, simple process equipment, low fuel consumption, and the pattern can be refurbished, and many patterns can be added. This article lists the common defects of enamel printing and provides solutions, and it is recommended for enamel manufacturers to collect them.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Defect Name

Defect Phenomenon

Cause

Solution

Uneven color layer

After the pattern is printed, there is a high-bottom uneven situation

1. The scraper is not flat;

2. Improper pressure of the scraper during printing;

3. The pattern of the flower board is not correct;

4. Uneven distribution of printing frame color paste;

5. Improper mixing of thin and thick color paste

1. Pay attention to smooth the scraper into a straight line;

2. Adjust the scraper pressure at any time to make the scraper pressure appropriate;

3. Set the printing plate

4. The printing frame color paste is evenly distributed

Incomplete skew

Incomplete pattern and deformed pattern

1. The scraper is not flat;

2. The color enamel is too thick;

3. Inconsistent placement of the blanks leads to insufficient travel;

4. The set board is not flat;

5. The screen is not straightened, it is too loose, and it is easy to cause creases during printing.

1. Smooth the scraper to make it flat;

2. To add thickening agent at any time;

3. The green blanks should be placed uniformly, and it is best to be operated by a special person;

4. Set the pattern;

5. Carefully operate and check carefully when making patterns

 

The flowers are blurred

The patterns are blurred

1. The front and back of the blank are misplaced;

2. The color enamel is too thin;

3. Excessive pressure on the scraper;

4. The leakage of the color enamel caused by the stoppage in the middle of printing.

1. The position of the biscuit before and after placing it is uniform.

2. Color enamel blending, adding dry powder;

3. The pressure of the scraper should be appropriate and should not be too large;

4. Minimize downtime to wipe the soaking part

 

White dots

There are white dots of different sizes without colored enamel in the pattern.

1. The colored enamel is unevenly blended and there are grains. The pattern is partially blocked during printing;

2. Excessive scraper pressure;

3. The fineness of the color enamel paste is not enough, it will easily cause blockage of the pattern and form white spots.

1. The printing enamel is soaked for half a day and then adjusted to eliminate the phenomenon of grain formation;

2. The scraper pressure should be appropriate;

3. Appropriately increase the grinding time of enamel color enamel

 

 

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