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At K 2022 in Dusseldorf, Windmoeller & Hoelscher debuted its latest offering to automate the blown film process and simplify changeovers. Throughout the week-long October show, W&H gave live demonstrations of the technology, called Easy2 Change, on a multi-layer Varex 2 blown film line.

Easy2 Change is said to supports the machine operator during every necessary step of a product change-over. An intuitive HMI gives the operator full transparency and control throughout the change-over. Innovative technology detects the bubble stability and checks the frost line to ensuring reproducible high film quality. 

The software guides operators through the process to prevent errors while guiding them to pending tasks, W&H says.  All components are automatically set, including W&H’s fully automated Arctis air ring.  

Compared to an experienced operator, the number of necessary clicks for a product change is reduced by more than 70% and the time needed is cut by over half, says W&H.