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Article: 00096644

Film cutting system / knife

The film cutting and winding system is one of the two fundamental components of shrink-wrappers. OCME has adopted an extremely reliable film cutting technology thanks to thecombined action of blade and counter-blade. This system allows for lesser wear of the cutting blade, which also does not require complicated adjustements, unlike the systems used by the majority of competitors, which require precision adjustment of the blade as compared to the counter-blade.

The objective is to cut the filmcleanly and precisely, at the speed required, always repeating the operation at the desired point, especially when pre-printed films are used.

Depending on the speed, Vega adopts different cut command systems. For up to 60 cycles/minute an electromagnetic clutch is used to activate cutting. The device controls the movement of the blade and counter-blade which, in order to reduce stress and wear on the mechanism, are fitted on the elliptical pinions in order to ensure the smooth movement of the cutting cycle (low initial speed, acceleration during cutting and deceleration at the end of the cycle). For speeds over 60 cycles/minute the cutting device is pulled by a brushless motor fitted on a mobile tower positioned at the optimal point of the ramp based on film length and machine speed. The mobile tower supporting the cutting device is positioned by a servomotor at the low speed film unwinding point. This enables cutting at the lowest speed point of the film.

Specifications

  • Technology: knife
  • Treated material: film

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