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The amount of glue applied to the rotary glue binding line is not necessarily better, but rather to create a uniform and permeable adhesive layer on the spine of the book. We followed up on a weekly report requesting online renovation, which reduced the page drop rate by adjusting the amount of glue and temperature.
A certain printing factory’s weekly report requested high-speed operation of the printing line, which resulted in excessive glue loading, excessive glue overflow, slow cooling, and uneven book backs. Guangzhou Sunlife’s commercial technicians arrived on site and switched to Sunlife with better liquidityhot melt adhesiveHot melt adhesive granulesAnd lower the pressure of the glue roller.
The page drop rate has decreased from about 3% to within 0.5%, while the binding speed has increased and the cost of consumables has decreased.
Q: How to measure the amount of glue applied?Calculate the difference between the blank book block and the adhesive pack, and convert it to the amount used per book.
Q: Do different types of paper need to have varying amounts of glue applied?Yes, add an appropriate amount of paper with strong adhesive absorption.
Can the expired glue in the corner of the warehouse still be used? At the end of 2025, a textbook printing factory warehouse in Guangzhou discovered 5 boxes during inventoryhot melt adhesive pelletsIt has exceeded the marked shelf life by 3 months. The procurement department is preparing to scrap (worth about 20000 yuan), but the […]
Direct answer: The real reason for the intermittent sealing line on this sealing line is the bridging of the feeding port of the melt glue pot, which causes the liquid level to intermittently decrease, and the carbonization residue inside the nozzle is partially blocked. After cleaning the pot and changing the material+adjusting the feeding method, […]
First of all, let’s talk about the results: a textbook printing factory in South China needs to complete wireless binding of about 1.2 million teaching aids 45 days before the start of the school season. After switching to Sunlife hot melt adhesive for books and magazines and locking in the batch supply plan, the production […]
