4-Gun Cold Glue System: Precision Dispensing Solution for Folder Gluer Retrofit

For most packaging factories running medium-speed folder gluers and mixed box-type production, traditional roller gluing always brings unavoidable issues, including uneven glue coating, excessive adhesive waste, scratched printed surfaces and frequent machine cleaning. The 4-gun cold glue system is engineered as a cost-effective, high-stability upgrade solution specially designed for standard folder gluer renovation and daily mass packaging production.

Different from ordinary single-gun dispensing equipment, this 4-channel cold glue system features fully independent gun control. Each glue gun can separately adjust glue delay, dispensing length and output volume through one integrated touch screen, with zero mutual interference. It perfectly handles multi-segment dot gluing, line gluing and intermittent gluing requirements for regular cartons, crash-lock bottom boxes, gift packaging and laminated cartons. Even for boxes with irregular glue tracks, the system delivers accurate and clean glue lines without overflow or glue trailing.

Adopting professional non-contact jetting technology, the system completely avoids direct contact with paper surfaces. It effectively protects UV-coated, laminated and printed packaging materials, eliminating scrap products caused by surface scratching. Equipped with matched glue pump and synchronous encoder tracking, it keeps consistent glue position and stable glue output even with line speed changes, fully adapting to continuous medium-speed production.

Factory practical application proves that the 4-gun cold glue system reduces adhesive consumption by 20% to 30% compared with traditional roller gluing. It removes daily roller cleaning work, greatly lowering manual maintenance costs and machine downtime. Users can store hundreds of product formulas and switch different box types with one click, which significantly shortens debugging time and improves production efficiency.

With compact structure, flexible installation and strong compatibility, the 4-gun cold glue system fits almost all mainstream automatic folder gluers. It is the most practical and cost-efficient choice for packaging manufacturers that pursue stable gluing quality, lower material loss and simple daily operation.