engleski

Investigation of strength at ultrasonically welded sails

Today when the newest high-tech fibers and sophisticated material constructions are used for the production of sails, forming 3D sail shape from 2D silcloth has still remained very primitive because classic sewing techniques are mostly used. Since the clothing and technical textile industry has been recently using some of contemporary joining techniques (ultrasonic, thermal, high-frequency) replacing classic sewing, this paper investigates the possibility of ultrasonic welding in the production of sailsl, and the strength of obtained bonds. Based on the investigation results it has been concluded that ultrasonic welding may successfully replace the classic sewing of sails, selecting an anvil wheel with suitable engraving and optimal parameters of welding (speed and amplitude).

technical textiles; mobiletex; sails; ultrasonic welding; objective evaluation; seam strength

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