The primary function of an overwrapper is protection. By creating a tight seal, the machine locks out contaminants and helps regulate the atmosphere around the food. Depending on the film used, overwrapping can significantly extend the shelf life of perishables like meat and produce, reducing waste and protecting your bottom line.
| Problem | Likely Cause | Solution | |---------|--------------|----------| | Wrinkled film | Excessive tension or misaligned plows | Reduce tension; realign folding boxes | | Weak seal | Low temp, short dwell, or contaminated film | Increase temp/dwell; clean seal bars | | Film tear at corners | Sharp tray edges or dull cut knife | Chamfer tray edges; replace knife | | Seal offset | Photoelectric sensor drift | Recalibrate sensor for tray position | tray overwrapper