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bielomatikInfrared Welding Machines

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Infrared welding is a specialized technique used for joining molded parts through infrared radiation, offering a contact-free heating process. This method uses either short-wave or medium-wave infrared radiators depending on the specific application. Common components such as 3-D contour radiators, panel radiators, and pin-base lamps emitting short wavelengths (1-2 µm) are employed, or alternatively, metal foils in ceramics emitting medium wavelengths (3-4 µm) can be employed. These machines apply pressure- or path-dependent welding processes, ensuring robust joints suitable for demanding applications. Bielomatik offers a renowned range of motorized machines designed for industries like automotive, home appliances, electronics, medical technology, and sports equipment. Infrared welding's versatility and precision make it a preferred choice across multiple sectors, particularly where exacting standards and efficiency are paramount.

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Joints of the molded parts to be welded are heated contact-free by infrared radiation from short-wave or medium-wave radiators, then welded in a pressure- or path-dependent process.

Infrared welding with glass tube radiator

3-D contour radiators, panel radiators or pin-base lamps that emit light of a short wavelength (λ = 1-2 µm) are used.

Infrared welding with metal foil radiator

Metal foils embedded in ceramics, which can also feature a 3-D contour and that emit light of a medium wavelength (λ = 3-4 µm) are used.

Variants

The renowned bielomatik range of motorized machines is available:

  • Modularly designed standard series – available in several types, sizes and level of automation
  • Modular special equipment tailored to customer requirements
  • Infrared welding can be subsequently integrated in existing, servomotor-driven welding machines that use heating elements
  • Alternative, particle-free welding process for plastics
  • Discrete heating and joining, with the following phases: non-contact heating / changeover / joining and cooling
  • The radiator outputs can be quickly and steplessly adjusted via the machine’s control system. This enables material-friendly heating

Automotive industry / home appliance and white goods industry / sanitation and installation technology / electrical engineering / electronics / medical technology / sports equipment