Air knife unit apply air pressure across the width in such a order, so that cast film fully touch the surface of the chill roll without any air gap or bubble.
The die unit is situated between extrusion and film casting unit. It casts melt from
extrusion for further processing on the film casting unit. The die unit mainly consists
of die frame, melt die support, melt die and adapter block.
Film Casting Unit (CAS)
The film casting unit is the first machine in the stretching line.The melt is pulled from
the die, cooled, set and delivered as a cast film to the following machine, the machine
direction orienter (MDO).
The film casting unit includes:
• chill roll
• film pinning
• cast film gauge (optional)
• auxiliary winder (optional)
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