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How it works
With a semi automatic/manual shrink wrapping machine for bottles, The products are positioned in the front of the pneumatic infeed pusher by hand, a button is pressed which starts the wrapping cycle, the collated product is then pushed to sealing and cutting station by air cylinder. Shrink wrapper machine commonly use two reels of film which are joined to form a web, one reel is mounted at high level and the other is mounted at a low level. The product to be wrapped is passed through the web. The sealing bar descends to seal and cut the film to form an envelope around the package leaving two open ends at the sides.
After sealing, the next product to be wrapped then pushes the wrapped product into the heat shrink tunnel where recirculated hot air causes the wrapped products to shrink and tightly confirm to the contours of the contents. Once the pack is out of the chamber, forced air cooling is used to tighten the sleeve wrap to achieve a strong, secure pack ready for stacking on a pallet or placing in a shipping carton.