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2004
Conference Paper
Titel
Laser beam welding of thermoplastics parameter influence on weld seam quality - experiments and modeling
Abstract
Laser beam welding of thermoplastics offers process technical advantages due to contact-less energy input, which is spatially (<= 100 mym) and timely (~ ms) very well defined. Different process strategies are possible leading to flexibility, product adapted irradiation, short process times and high quality seams, while avoiding mechanical stress and thermal load on the joining partners. Meanwhile, laser beam welding of thermoplastics has experienced an increasing industrial acceptance. To broaden process understanding as well as stimulating innovative technical developments and applications a structured analysis of process behavior is necessary. The effects and interplay of process influencing parameters and quantities are illustrated by means of experimental results of systematic investigations as well as the outcome of a thermal process model.