Pad printing failure solution - image dirt

Seven common faults: image dirty

When the ink is too thin during printing, or if the printing head slides, the printed image will be dirty. Improper print heads, insecure printed objects, incorrect angles of printed objects on the fixture, and excessive pressure on the print head can cause the print head to slip during printing.

Possible Causes Solutions

Head: The head is too hard for a softer head; the head is too small for a larger head; use the head to adjust the print position of the head , Or use a fixture that supports an ideal effect.

Corrosion gravure: The depth of corrosion is too deep. Recreate a gravure plate with a moderate depth of corrosion; use a different type of screen for a wrong gravure type.

Ink: The ink is too dilute with some ink without added diluent to increase the thickness of the ink; dry slowly with a thinner faster drying speed.

Substrate material: The surface of the object is too irregular. Use a special-shaped pad or adjust the position of the pad.

Other reasons: Improper fixation of printed objects; re-adjustment of fixtures not reaching sufficient stability.

Source: HC360 HC Printing Industry Channel

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