What type of static eliminator should be installed in the screen printing industry?
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The screen printing industry primarily uses ion bars (static eliminators), ion fans, or ion guns to eliminate static electricity.
The specific selection depends on the stage of the screen printing process: Before printing (paper feeding/workpiece loading): It is recommended to use ion bars or ion fans with dust removal functions to thoroughly remove static electricity and dust from the surface of the substrate (such as PET sheets, glass), preventing burrs and pitting during printing.
During printing (squeegee and paper feeding area): It is recommended to install intelligent ion bars to directly neutralize static electricity above the screen or at the edge of the conveyor belt, solving the problem of ink splatter (ink filaments) or substrate adhering to the screen. After drying/UV curing (paper collection): It is recommended to use high-power ion bars or ion curtains to eliminate the high static electricity accumulated on the substrate due to high temperature and friction after drying, avoiding uneven paper collection. Selection and Installation Recommendations: Ion Type: Prioritize high-performance static eliminators using "pulse AC" or "high-frequency AC" to ensure rapid static neutralization and long-distance ion coverage. Installation Distance: Closer is not always better for static eliminators; a distance of 4-5 cm from the substrate surface is generally optimal (if using a blower, refer to the manufacturer's instructions).
Supporting Use: For precision screen printing (such as membrane switches and mobile phone panels), a grounding device, controlled workshop humidity (maintained at 50%-60%), and the use of a highly conductive solvent to assist in static elimination are necessary.