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DISPOSITIF DE PROTECTION CONTRE LES PROJECTIONS DE SOUDURE AVEC UN SYSTÈME DE NETTOYAGE INTÉGRÉ, ET METHODE DE NETTOYAGE D'UN TEL DISPOSITIF
DISPOSITIF DE PROTECTION CONTRE LES PROJECTIONS DE SOUDURE AVEC UN SYSTÈME DE NETTOYAGE INTÉGRÉ, ET METHODE DE NETTOYAGE D'UN TEL DISPOSITIF
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摘要
A device (100) for covering the welding area for hot rolling lines consists of an outer container (1), a protective shield (2), a blade-holder (3) with scraping blades, and an actuator (9). Protection occurs by linearly sliding the protective shield (2) outside the outer container (1) up to minimizing the gaps with the billets. The cleaning occurs at the same time as the return to the rest position: the scraping blades, which are integral with the container (1) and are installed in contact with the inner surface of the protective shield (2), slide thereon during the raising, thus colliding with the deposits of solidified material and removing them. Completing the device (100) additionally is a small alternating linear motion of the protective shield (2) during operation to always keep the attachment area of the scraping blades clean, thus avoiding the need for excessive detachment forces at the beginning of the raising.
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