Tail Cutter Systems

General overview

Time saved after a sheet break means higher machine efficiency.
With Weingrill Tail Cutter systems manual operation is replaced with a fast programmed and automatic sequence.

The use of an automatic Tail Cutter allows:

  • Increase machine availability.
  • Optimize paper machine efficiency.
  • Secure operators during sheet break phases.
Weingrill offers different Tail cutter models:

WET END TAIL CUTTER, web cutting with water jet on Wire or wet Felt.
DRY END TAIL CUTTER WITH ROTATING BLADE, paper cutting on free run after dryer can.
DRY END TAIL CUTTER WITH WATER JET, paper cutting on free run or on dryer can with high pressure jet.

Together with the Tail Cutter Weingrill propose the CONTROL SYSTEM which allows the automatic cutting procedure. Unit is activated by simply pushing a button or with an external signal coming from sheet break detecting system.

Wet End Tail Cutter can be associated with WET TRIM SQUIRTS adjustable in position.


WET END TAIL CUTTER W-TCU-1

  • Tail formation and widening to full sheet.
  • Web cut with water jet.
  • Web cutting on Wire or wet Felt.
  • Smooth and stable nozzle translation.
  • Suitable for cutting on wire or felt, upward or downward.
  • Compact and reliable assembly.
  • Low maintenance.
  • Corrosion resistant construction.
  • Application up to 10 meter Paper Machine width.
  • Dedicated control.
  • Driven by chain and electric motor, hydraulic or pneumatic motor are on request.
  • Nozzle position detection with Encoder or electrical limit switches.
  • Emergency manual translation by hand wheel.
  • Options:
    - Cantilever version.
    - Inverter control or double speed electrical motor.
    - Built on trim squirts.
    - Air shielded nozzle.

WET END TAIL CUTTER W-TCU-2

  • Tail formation and widening to full sheet.
  • Continuous operation as trim squirts.
  • High operation flexibility.
  • Paper width and paper sheet position changes in automatic.
  • Web cut with water jet.
  • Web cutting on Wire or wet Felt.
  • Smooth and stable nozzles translation.
  • Compact and reliable assembly.
  • Low maintenance.
  • Corrosion resistant construction.
  • Application up to 10 meter Paper Machine width.
  • Dedicated control.
  • Driven by chain and electric motor.
  • Inverter control or double speed electrical motor.
  • Nozzles position detection with Encoder.
  • Air shielded nozzles.
  • Emergency manual translation by hand wheel.
  • Options:
    Cantilever version.

DRY END TAIL CUTTER – ROTATING BLADE W-TCS

  • Paper cut with rotating blade.
  • Paper cut on free run after dryer can.
  • Smooth and stable blade translation.
  • Compact and reliable assembly.
  • Low maintenance.
  • High temperature resistant.
  • Application up to 10 meter Paper Machine width.
  • Dedicated control.
  • Driven by chain and electrical motor.
  • Rotating blade driven by air motor.
  • Vacuum device for tail stabilization.
  • Hidden blade at parking position.
  • Blade position detection with Encoder or electrical limit switches.
  • Emergency manual translation by hand wheel.
  • Options:
    - Fixed blade version.
    - Inverter control or double speed electrical motor.

TAIL CUTTER CONTROL

  • Turn key unit.
  • Pre tested system.
  • Just connect unit power and start-up.
  • Tail cutter can be operated with an external signal (sheet break photocell or alarm buttons).
  • Panel interface and motor control center.
    - Stroke limits setting (Encoder version).
    - Display of actual cutting unit position.
    - Alarm display and diagnostic.
    - Dedicated PLC (SIEMENS or ALLEN-BRADLEY).
    - Operation and maintenance dedicated code.
    - Electric motor control center.
  • Push button box located close to the machine
    -Push button “Back Side”, ”Front Side ”, “Tail”.
    - Push button “Widen“, “Narrow” at low speed.
    - Emergency push button “Stop” .

WET END TRIM SQUIRTS W-TB

  • Web cut with water jet.
  • Web cutting on Wire.
  • Check and exchange of nozzle during production.
  • High operating performances.
  • High reliability and safe operations.
  • Easy installation and reduced maintenance.
  • Air shielded nozzle. Avoid moist deposits formation.
  • Settings:
    - Jet impinging angle.
    - Nozzle distance from paper.
    - Nozzle replacement during productions.
  • Manual version:
    - Position control with manual knob.
    - Position indication with scale and pointer.
  • Motorized version:
    - Position control with motor and remote control.
    - Digital display of the position.
  • Option:
    - Single or double nozzle.