Läser AG produces labels from flexible material on a slitter rewinder. For the disposal of the edge trim and the intermediate cuts, the concept of Hunkeler Systeme AG was convincing.
Läser AG in Gontenschwil converts labels on a new highly automated slitter rewinder. Hunkeler Systeme AG was commissioned with the system design for the disposal of the edge trim and the intermediate cuts.
Five to fifteen millimetre wide plastic strips have to be shredded at a web speed of at least 600 metres per minute and disposed of via pipelines. A compact suction unit of the HKU 4500 series ensures a stable process with constant suction power. In the cutting unit, the plastic strips are shredded to a defined length. Ring ionisers neutralise the static electricity on the shredded strip and in turn ensure continuous transport of the material to the separator.