Gr-G850 Automatic Cold Glue Paper Gluing Machine for Rigid Box Production. Automatic Front-Edge Suction Feeding - Compatible with various paper and paperboard sizes for stable, continuous feeding. Precision Glue Coating System - Gluing roller with a copper scraper effectively prevents paper sticking and ensures clean, consistent glue application. Stable Sheet Conveying - Ball-bearing feed table and pressure-assisted conveying system keep sheets straight and improve positioning accuracy. Uniform Glue Distribution - Adjustable rollers provide smooth, even glue coating for superior bonding quality. Intelligent Production Functions - Scheduled automatic start-up and automatic glue preheating reduce preparation time and improve production efficiency. Air-Suction Conveyor System - Maintains flat, stable sheet transportation for accurate gluing and reliable production.