Schweissverfahren und Vorrichtung mittels infraroter Strahlung

摘要

A filter (28) for absorbing electromagnetic radiation which is used in heating a welding zone wherein a first part (24) is joined to a second part (26). The filter (28) includes a solid material (36,38) for absorbing undesired wavelengths of radiation from a heating source (20) before the radiation reaches the welding zone (27). The filter (28) also has a housing which contains a chamber (34) within which a fluid (42) is placed. The fluid (42) cools the solid material and also may absorb undesired wavelengths of radiation from the heating source (20) before the radiation reaches the welding zone (27). A heat exchanger (30) is connected to the filter (28) in order to cool the fluid (42) during the filtering process.