Panel Wrappers

EDL Packaging’s panel wrappers are large format shrink-wrapping machines designed to seal manufactured windows with LDPE film.

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Edl Wrapped Window

In a window production environment, the window wrapper is typically placed in a central packaging area, and finished windows are transported to the wrapper from multiple assembly lines in the facility. To enable it to adjust to varying input dimensions, the wrapper has features that automatically measure and adjust to random-sized windows. EDL Packaging’s wrapper holds two rolls of 53-in. and 96-in. widths of 2.5 mil LDPE film on carriages that shuttle into position following measurement with the correct film width for the window size being wrapped.

An operator places a window, complete with corrugated protective corners and side protection, on a powered roller conveyor that moves the window to a wide mat conveyor where dimensions are automatically centered on the mat and then measured by the wrapper’s electronic sensors. The proper film roll shuttles into position. Then the conveyor moves the window into the web of LDPE film. Once it is totally enclosed, a seal bar behind the window seals and cuts the plastic.

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The window next moves through a side seal station that trims and heat seals the LDPE film along the window sides. Excess trimmed film is removed through vacuum tubes to a storage bin for recycling. When the window is totally enclosed in film, it moves in steady, constant motion through a heat tunnel that shrinks the film tight against the window. 

This video shows the EDL panel wrapper system at work wrapping windows.

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