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Quality improvement of polymer parts by laser welding

: Pütz, H.; Treusch, H.G.; Welz, M.; Petring, D.; Beyer, E.; Herziger, G.

Beyer, E.; Cantello, M.; Rocca, A.V. la; Laude, L.D.; Olsen, F.O.; Sepold, G. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Laser Materials Processing - Industrial and Microelectronics Applications : 5-8 April 1994, Vienna, Austria
Bellingham/Wash.: SPIE, 1994 (Europto series)
ISBN: 0-8194-1508-1
S.392-399 : Abb.,Lit.
Conference on Production Line Processes <1994, Wien>
Conference on Process Control and Modeling <1994, Wien>
Conference on Novel Applications <1994, Wien>
Fraunhofer ILT ()
CO2 radiation; laser beam welding process; melting zone; Nd-YAG radiation; polyamide; process parameter setting; ultrasonic

The growing significance of laser technology in industrial manufacturing is also observed in case of plastic industry.La ser cutting and marking are established processes.Laser beam welding is successful practiced in processes like joining foils or winding reinforced prepregs. Laser radiation and its significant advantages of contactless and local heating could even be an alternative to conventional welding processes using heating elements, vibration or ultrasonic waves as energy sources.De velopments in the field of laser diodes increase the interest in laser technology for material processing because in the near future they will represent an inexpensive energy source.