When pad printing ink pad printing machine covering power is possible reasons and solutions

In the dark objects often appear when printing monochrome ink printing ink short covering power.In this case, the general need to print a color to need cover degree.For example, in the dark background printing white ink, sometimes want to print a few times, need enough amount of ink on the shop to get a bright image.

The possible reasons
The solution

Pad printing head

Pad printing head has a hole and hard
Try using another pad printing head

Pad printing head shape too smooth and soft, lead to can't release enough ink to print above items
In a hard try, shape, pointed a little pad printing head

The image is too near the edge of the pad printing head
Move one down the location of the print head, or change a new soap pad printing head

Corrosion gravure

The corrosion depth is too shallow
To make a gravure of corrosion depth is deeper

The type of screen choose wrong
Using a different screen to try making a gravure

ink

Ink is too thin
Increased viscosity of the ink

Ink transfer is not completely
Related auxiliary equipment is used to dry ink, make the pad printing ink can release right on the head

substrates

Due to the printing items too dark, make the image color bright enough
Printing more at a time, make the slightly thicker ink layer thickness