Machinery

Automatic Score & Shear Knife Positioners

Automatic Score Knife Positioning

Catbridge Machinery’s automatic score knife positioning system provides fast, accurate, repeatable slitting. This system can place up to 120 knives and allow slit widths as narrow as 1/2″. New features minimize mechanical errors and position score knives with an accuracy of +/-0.015”. Well-planned integration of the positioning system to minimize slit web length further enhances finished roll quality. A storage compartment houses blades for numerous cuts and slit patterns. Patented in US and Europe.

Standard Features
  • Accurate & efficient positioning of standard score knife holders
  • Automatic storage calculating algorithms
  • Selectable center or first knife positions
  • Trim width calculator
  • Recipe storage
  • Fully integrated pneumatic controls turn on only the required slitting knives
  • Infinite storage positions without holder removal for all sizes between 12 mm and full web width
  • Standard option on the CBM1 control platform with operator-friendly interface
Optional Features
  • Available as stand alone or integrated into a Catbridge Slitter
Common Applications
  • Airlaid nonwovens
  • Film to film laminations
  • Foil, supported and unsupported
  • Label stock
  • Meltblown nonwovens
  • Metallized films
  • Metallized papers
  • Paper to film laminations
  • Paper to foil laminations
  • Spunbond nonwovens

Automatic Shear Knife Positioning

Catbridge Machinery’s automatic shear knife positioning system provides fast, accurate, repeatable slitting. This PLC-controlled, servo-driven system yields extremely precise cut widths. The time to set knives depends on the web width and the total number of knives. For example, positioning 20 female knives over a 72” web takes less than 2 minutes. Depending on the blades used, the minimum slit width can be as narrow as 1”. Patented in US and Europe.

Standard Features
  • Accurate & efficient positioning of female shear knives
  • Servo controlled
  • 1″ minimum cut width
  • Automatically positions up to 30 female shear knives
  • Configured with industry-standard knife holders
  • Recipe storage
  • Automatic storage calculating algorithms
  • Selectable center or first knife positions
  • Trim width calculator
  • Standard option on the CBM1 control platform with operator-friendly interface
Optional Features
  • Optional top & bottom knife positioning
  • Available as stand alone or integrated into a Catbridge Slitter
Common Applications
  • Airlaid nonwovens
  • Board, coated and uncoated
  • Film to film laminations
  • Foil, supported and unsupported
  • Label stock
  • Meltblown nonwovens
  • Metallized films
  • Metallized papers
  • Office roll products
  • Paper to film laminations
  • Paper to foil laminations
  • Papers, coated and uncoated
  • Pressure sensitive films
  • Pressure sensitive tapes
  • Primary films
  • Rubber laminations
  • Spunbond nonwovens
  • Thermal transfer films
  • Thermal transfer papers
  • Tissue
  • Toweling

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