Industry knowledge
The production steps of Screen UV Ink Printing Material
Screen UV ink printing involves using UV-curable inks that are cured or dried quickly using ultraviolet (UV) light. The production steps for screen UV ink printing typically include the following:
Artwork Preparation: Create or prepare the desired artwork or design using graphic design software. This can include text, images, and other visual elements.
Screen Preparation: Prepare the screen by applying a light-sensitive emulsion coating onto a screen mesh. The emulsion is typically sensitive to UV light.
Artwork Film Positive: Print the desired artwork onto a transparent film positive using a printer or a dedicated film printer. The film positive contains the image or design that will be transferred onto the substrate.
Screen Exposure: Place the film positive onto the coated screen and expose it to UV light. The UV light passes through the clear areas of the film, hardening the emulsion and creating a stencil of the artwork on the screen.
Screen Rinsing: Rinse the exposed screen with water or a specific solution to wash away the unexposed emulsion, leaving behind the hardened stencil of the artwork.
Ink Preparation: Prepare the UV ink by ensuring it is well-mixed and free of any contaminants or air bubbles. UV inks are formulated to cure quickly under UV light.
Screen Setup: Mount the prepared screen onto the printing press or screen printing equipment. Adjust the screen tension and alignment to ensure proper registration.
Printing: Load the substrate onto the printing press or place it in the desired position for printing. Apply the UV ink onto the screen and use a squeegee to evenly distribute the ink across the stencil, transferring the design onto the substrate. This process is repeated for each color or layer in the design, allowing for multi-color prints.
UV Curing: Immediately after printing, the printed substrate is exposed to UV light. The UV light triggers the curing or drying of the UV ink, converting it from a liquid to a solid state. This ensures quick drying and adhesion of the ink onto the substrate.
Finishing and Inspection: Once the UV ink is cured, the printed substrate may undergo further finishing processes, such as cutting, trimming, or additional curing if needed. The printed products are inspected for quality, color accuracy, and any defects.
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