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Fax +32 3 644 24 41

Sheet Fed Printing

Pepperl+Fuchs offers a wide variety of sensors for your sheet fed printing applications.

Sheet fed presses use ultrasonic and photoelectric solutions to properly center the stack and monitor the stack height at the feeder. Insensitive to paper dust and vibration, miniature diffuse mode sensors securely align and detect sheets, even media with reflective surfaces and transparencies.

Ultrasonic sensor applications range from pallet detection and positioning, to reliable double sheet detection, and ink level measurement. All cylinders and parts are precisely detected and positioned by our inductive sensors and encoders.

Click on the green numbers to jump to your sheet fed printing application!


1 - Stacker Safety 2 - Pallet Detection 3 - Sheet Counting at Delivery 4 - Sheet Presence 4 - Sheet Presence 4 - Sheet Presence 5 - Cylinder and Part Position 6 - Ink Level Detection 7 - Double Sheet Detection 8 - Sheet Alignment 9 - Stack Centering 10 - Stack Height Monitoring and Alignment

Delivery system applications

 Stacker safety

Stacker Safety

Sensor Solution:
Safety light curtains SLCS, SLCT, SLP, SafeBox

Customer Benefits:

  • Safety light curtains detect entry into hazardous areas
  • Safety categories 2 and 4
  • Narrow beams provide immunity to interference from reflective surfaces
  • SafeBox modular safety controller connects all safety components into one unit
 

Pallet Detection

Sensor Solution:
Distance measurement UB500-18GM, UB500-F54,
UC500-L2, VDM28

Customer Benefits:

  • Reliable detection of position regardless of pallet color or finish
  • Analog and discrete outputs
  • Ultrasonic and photoelectric solutions available
 

 Sheet Counting at Delivery

Sensor Solution:
Laser thru-beam sensors E18/EV18-LAS

Customer Benefits:

  • High switching accuracy
  • Automatic threshold adjustment for safe operation and dust insensitivity
  • Eyesafe laser class 1


Printing unit applications

 

Sheet Presence

Sensor Solution:
Diffuse mode sensors MLV41, MLV41-8-HV, ML4.2, R2

Customer Benefits:

  • Detects media directly while ignoring reflective surfaces close to the target
  • Enhanced edge detection using background suppression sensors
  • Fast response time
 

Cylinder and Part Position

Sensor Solution:
Inductive sensors, encoders

Customer Benefits:

  • Precise detection of metal gear teeth, notches, and cams
  • Reduction factor 1 senses all metals at the same distance
  • Wide variety of housings and sensing ranges
 

Ink Level Detection

Sensor Solution:
Ultrasonic sensors UC300-F43, UB300-18GM

Customer Benefits:

  • Reliable ink level measurement
  • Low-level alarm
  • Chemically-resistant housings
 

Double Sheet Detection

Sensor Solution:
Ultrasonic sensors UDC-18GM

Customer Benefits:

  • Identifies zero, one, or multiple (overlapping) sheets
  • Fast response time
  • Extremely wide range of media, including fine papers, transparencies, cardboard, glossy surfaces, and metal foils
 

Sheet Alignment (front lay, side lay)

Sensor Solution:
Diffuse mode sensors ML10, KT10, ML4.2

Customer Benefits:

  • Fast and accurate detection of a wide variety of media
  • Small black-to-white difference with superior background suppression
  • Wide variety of sensor styles for use in tight spaces
  • Protected against paper dust and vibration
  • 4-in-1 output minimizes inventory


Feeder system applications

 

Stack Centering

Sensor Solution:
Ultrasonic sensors UB400-F77, laser pointer M18...LAS-P

Customer Benefits:

  • Proper stack alignment
  • Teach-In input
  • Small blind range
  • Small and miniature housings
  

Stack Height Monitoring and Alignment

Sensor Solution:
Thru-Beam and diffuse mode sensors ML4.2, MLV41, MLV12

Customer Benefits:

  • Reliable detection due to small black-to-white difference
  • Small, sharp light beam
  • 4-in-1 output
  • Antistatic lens repels paper dust