en.Wedoany.com Reported - The Fraunhofer Institute for Microstructure of Materials and Systems (IMWS) in Halle (Saale), Germany, in collaboration with the Süddeutsches Kunststoff-Zentrum (SKZ), has jointly launched the "Thermoplastic Sandwich Components (TheSaKo)" project. The aim is to develop more economical connection technologies for thermoplastic sandwich structures. Thermoplastic sandwich structures hold potential in lightweight components due to their light weight and recyclability, making them particularly suitable for small to medium batch production of 10 to 1000 units per year. However, the current lack of practical connection methods limits their application in medium-sized enterprises.

Connection technologies for thermoplastic sandwich structures, such as welding or bonding, compared to mechanical connections used in traditional thermoset structures, can reduce the need for external materials, shorten assembly cycles, and enhance recyclability. However, they require optimization of surface design and process control. The project addresses the needs of small and medium-sized enterprises (SMEs) and sets five objectives: developing deformable connection interface surfaces during the thermoforming process; adapting welding and bonding methods; reducing costs; integrating a repair concept resistant to environmental changes to extend service life; and constructing a modular large-scale structure demonstrator. Partners from fields such as plastics processing, transportation manufacturing, and mechanical engineering are participating to advance research on this thermoplastic sandwich structure connection technology.

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