Manufacturing Industry

Vision promotes carton quality: precise glue-line placement prevents scrap, saves glue, and preserves customers.(applications in action)

Packaging Digest, November, 2004

Too much or too little glue applied to corrugated paperboard cartons can create semi-trailer trucks full of rejects returned to carton manufacturers. Besides dealing with sticky customer relations, carton manufacturers have to "eat" the scrap, then pay any related contract penalties and overtime to replace the cartons. Cost in wasted product can exceed half a million dollars per year, per line.

Corrugated carton machines require effective placement of glue lines, which join the edges of the carton. In the machine, rectangular sheets are fed through a die cutter, to cut the shape of the carton. The cut board passes along a conveyor, where glue needs to be applied to a restricted area of a tab, at one edge. Moving farther along the conveyor, the outside panels...

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