Reasons and Solution for Less Printing Ink Released by Printing Pads

In terms of ink, the ink is dried on the plastic head and solved with slow-drying agent; ink viscosity is too low, and the plastic head is too wet, so that the ink adsorbed on the plastic head is too little or thin. At this time, the ink may be quickly dried to adjust the ink. .

In the case of steel stencils, when the depth of etch is not enough, the plastic head can't get more ink; when the etch depth is too deep, when the graphic is too thin, the plastic head can't absorb more ink. Therefore, the etch depth on the steel stencil should match the textual fineness.

Plastic head: when the plastic head is usually in contact with the workpiece during printing, there is air sweep E, so the plastic head should have a certain angle; the plastic head surface is too rough and must be replaced.

Substrate: When the surface has oil, reducing the wettability of the workpiece surface, so to strengthen the substrate surface treatment, the surface energy of the substrate is greater than the tension between the ink and the plastic head.

Other aspects: when the printing speed is too slow, the ink has viscoelasticity, so that the rubber head releases less ink; when the printing environment temperature greatly exceeds 20° C., the solvent in the ink volatilizes too quickly, and the ink on the plastic head dries too quickly. , so the best room temperature is 18~20°C.

Source: China Washing & Dyeing Industry Information Center