Main Differences Between Horizontal Slitter and Vertical Slitter

Integrated CCD vision inspection runs inline during unwinding-slitting-rewinding, automatically spotting missing print, color deviation, scratches, pinholes, misregistration, stains and edge burrs on labels, flexible film, paper, aluminum foil and pharmaceutical packaging materials. Defective sections get marked, stopped or trimmed on-site before finished rolls, drastically lowering defective delivery, product returns and after-sales claims.

Traditional production needs standalone rewinding inspection separate slitting twice, with repeated material loading/unloading and extra labor cost. All-in-one inspection-slitting-rewinding finishes 100% full inspection synchronously with cutting at production speed (max up to 300m/min), eliminating secondary offline checking and downtime for sampling inspection, raising hourly output by over 50%.

Auto defect positioning avoids large-quantity scrapping of full rolls caused by undiscovered concentrated flaws. Less manual inspectors are required compared with full-manual visual checking; most factories recover the extra investment of inspection system within 6–18 months via saved scrap and labor cost.

The inspection system automatically archives defect location, defect type, batch and production data, exporting PDF inspection reports for ISO9001, IATF16949 compliance check. For medical packaging, food film, automotive adhesive label clients, complete quality traceability becomes a mandatory access requirement for supplier qualification bidding.

Collected defect statistics help printing, coating or laminating workshop find root causes of recurring flaws, optimizing preceding production parameters to reduce defect generation from source and stabilize long-term yield rate.

Self-adhesive labels, food/pharma flexible packaging film, paper, composite aluminum foil, nonwoven fabric, battery separator film, adhesive tapes