MACCHINA E PROCEDIMENTO PER SAGOMARE UNA LASTRA METALLICA E LASTRA COSI' OTTENUTA

The invention relates to a machine (1) for shaping a metal sheet (2) comprising: - feed means (3) of a metal sheet (2) to be processed; - a calender (4) comprising a first roller (14) and a second roller (24); - motor means (5', 5") adapted to operate at least one of said rollers; - recove...

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Bibliographische Detailangaben
Hauptverfasser:	RICCI, STEFANO, GUINDANI, CRISTOFORO
Format:	Patent
Sprache:	ita
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The invention relates to a machine (1) for shaping a metal sheet (2) comprising: - feed means (3) of a metal sheet (2) to be processed; - a calender (4) comprising a first roller (14) and a second roller (24); - motor means (5', 5") adapted to operate at least one of said rollers; - recovery means (6) of the processed metal sheet (2); - a forming mold (7) having a supporting surface (7') for said metal sheet (2), where said supporting surface (7') comprises gaps (8); Said first roller (14) comprises at least an outer layer (14') made of an elastically yielding material, having a smooth surface; said second roller (24) comprises a surface made of a rigid material. Said first roller (14) is adapted to exert a pressing force on said metal sheet (2) arranged on said supporting surface (7') of said forming mold (7), so that said elastically yielding material is compressed as a result of the pressure and expands only at said gaps (8) deforming the metal sheet (2) below.