Flexible bags remain one of the most popular formats in the snack food industry due to their excellent barrier properties, cost-effective production and consumer convenience. Automation and equipment innovation over the last few decades have made flexible packaging lines faster and more integrated than ever before. In particular, the main line has experienced significant performance breakthroughs with some baggers now reaching speeds of up to 250 bags per minute. However, as the demand for snacks increases around the world more focus is being placed on the end of the packaging line. Once a manual, time-consuming and labor-intensive process, the end-of-line is increasingly being updated with automatic case packing equipment. But, there is still plenty of opportunity to further improve efficiencies—if the right factors are considered.
Specifying the correct case packing solution is primarily determined by the type of product that needs packing. Product size, weight, material, density and air-fill, as well as case size and format are all important considerations. Delicate products like potato chips, for example, can break if knocked prior to being packed, as well as being damaged or missed by vacuum heads when in transition. As such, it is essential that products are assessed first for suitability, in case they require protection from shock, vibration or compression.