How Does a Cold Gluing System Work in Packaging Production?

Cold gluing systems adopt non-contact spray technology to apply water-based cold glue, most commonly deployed on flexo folder gluer and corrugated box production lines. Compared with traditional glue wheel rollers, automatic cold glue spraying delivers precise glue positioning and effectively cuts adhesive consumption.

The whole system includes a touchscreen controller, glue supply pump, auto-feeding station and high-frequency cold glue spray guns. Operators can program multiple glue patterns: dot gluing, continuous line gluing and mixed dot-line modes to match different carton structures., perfect for complex folding cartons, gift boxes, paper bags and envelope manufacturing. The modular design allows easy retrofitting onto existing folder gluer machines without large-scale reconstruction of your production line.

Common challenges such as glue overflow, uneven coating and frequent cleaning downtime can be greatly solved by switching to automatic cold glue spray equipment. Stable high-frequency valve operation maintains consistent gluing quality even under maximum line speed.

If you struggle with high glue costs or inconsistent carton bonding, feel free to send your product samples to us for offline gluing testing.

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