Assembly | Plastic welding

Together with our customers, we develop optimised assembly processes.

Our expertise does not end with the production of individual plastic parts. With our flexible way of working, we are able to assemble complete assemblies in- and offline according to customer requirements. Depending on the complexity, fully automatic, semi-automatic or manual assembly concepts are designed. This includes not only the in-house manufactured components, but also metal inserts, die-cast parts, springs, fleece, seals or even electronic components for PCB assembly under electrostatic discharge conditions (ESD).

Plastic welding: the joining process for plastics

Welding plastic is a common joining process to permanently join 2 components together. The plastics used must have thermoplastic properties so that they can be repeatedly melted and subsequently solidify. Different welding processes are suitable depending on the requirements and special features of the plastic to be welded:

  • Hot plate welding is mostly used for large series production: both components are heated individually via a heating element and then joined under pressure.
  • Infrared welding is a common non-contact alternative to the heating element. Infrared emitters specifically heat the surface within seconds.
  • Ultrasonic welding is used especially for small plastic parts. Heating takes place through the impact of ultrasonic vibrations.
  • In hot gas welding, the weld seam is heated by hot shielding gas without contact and without oxidation of the melt. High-strength, homogeneous and particle-free welded joints are produced.
  • Laser plastic welding is also a joining technology without particle release and without surface damage. This process meets the highest quality standards and the exact laser beam offers precise welding results with an attractive appearance.
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