STAMPING TOOL WITH MULTIPLE MOVEMENTS

The invention relates to a tool for stamping a composite blank having a thermoplastic matrix reinforced by continuous fibres, as well as a stamping method using such a tool, the tool comprising: - a die comprising a cavity (110) having a bottom (111) and side walls (112); - a punch (120), the outer...

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Bibliographische Detailangaben
Hauptverfasser:	GUERNIC, Antoine, JOUTEUX, Rémi
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a tool for stamping a composite blank having a thermoplastic matrix reinforced by continuous fibres, as well as a stamping method using such a tool, the tool comprising: - a die comprising a cavity (110) having a bottom (111) and side walls (112); - a punch (120), the outer shape of which matches the cavity of the die, said punch comprising a middle portion (123) and at least two moveable side portions (121, 122) slidingly connected to the middle portion (123), such that when the side portions are blocked from moving translatably in the strike direction (190) against the bottom of the die, the movement of the middle portion (123) in the same direction causes the side portions to move translatably perpendicularly to the strike direction (190). L'invention concerne un outillage d'estampage d'un flan composite à matrice thermoplastique et renfort fibreux continu, ainsi qu'un procédé d'estampage mettant en œuvre un tel outillage, l'outillage comprenant : - une matrice comprenant une empreinte (110) comportant un fond (111) et des parois latérales (112); - un poinçon (120) dont la forme externe est appairée avec l'empreinte de la matrice et comprenant une partie centrale (123) et au moins deux parties mobiles latérales (121, 122) en liaison glissière avec la partie centrale (123), de sorte que les parties latérales étant arrêtées en translation selon la direction de frappe (190) contre le fond de la matrice, le déplacement de la partie centrale (123) dans cette même direction provoque le déplacement des parties latérales selon des translations perpendiculaires à la direction de frappe (190).