Assembly of pressure compensation elements (PCE)

Labelling, assembly and testing system for PCE membranes using ultrasonic welding


Assembly of two pressure compensation elements to form a plastic valve with subsequent automatic assembly of the plastic cover on the valve body. 
A membrane prevents liquid from entering the valve. A second membrane prevents lubricants from escaping.



  • PCE labelling and testing system
  • Automatic 8-station rotary indexing table with protective cover
  • PC-based sequence control with Beckhoff I/O components
  • Manual part placement
  • Separation of PCEs at two topex 7054-00-300 label dispensing systems
  • Assembly of the PCEs by means of an ultrasonic welding device – application takes place with the sonotrode
  • Automatic flow test of the PCE membranes
  • Automatic assembly of the plastic cover on the valve body by means of a pneumatic pick-and-place unit
  • Marking of the I/O parts by means of a scribe marking unit
  • Automatic rejection of NOK parts

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