Infrared welding of plastics is used in the most varied industrial processes. Induction pipes, fan components and tanks for brake fluid or cleaning water in cars must be able to withstand pressure. Often, such plastic pipes and containers are injection-moulded in the form of half shells which are then welded together. Infrared heat technology helps reliably connect the parts without causing particles inside the tubes.
In many cases, a combination of infrared preheating and vibration welding is particularly advantageous. Infrared radiation melts the surface of the plastic, so that particle formation during vibration welding is minimised. This ensures a reliable connection and high-quality containers.
Your advantages with infrared welding:
Contactless heat transmission, no material adheres to the heat source
Infrared emitters heat the surface of plastics within seconds
Infrared emitters can be precisely shaped to follow edges, rims and contours and heat these areas specifically
Infrared emitters heat selectively and reproducibly, which allows automation of the processes
Directed heat ensures optimal use of energy
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A British company uses containers made of glass-fibre reinforced polypropylene to treat water. The cylindrical water tanks are made of two halves which are welded together by short-wave infrared radiation.
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