| 摘要 |
The invention relates to a coiler mandrel (1) for coiling sheet metal, especially hot-rolled strips. Said mandrel comprises a mandrel base (2), an expansion bar (3) that can be adjusted relative to the mandrel base (2) in an axial direction (a) and a plurality of segments (4) which can be radially adjusted when the expansion bar (3) is axially displaced relative to the mandrel base (2). A plurality of brackets (5) are arranged between the expansion bar (3) and the segments (4) and are hinged to the expansion bar (3) and to the segments (4). The aim of the invention is to allow high-strength and ultra-strength materials to be coiled on such a coiler mandrel. For this purpose, at least one plurality of brackets (5) extend, when the coiler mandrel (1) is mounted, through recesses (6) in the mandrel base (2), said recesses being introduced into the mandrel base (2) in such a manner that the latter, at least on one of its axial ends (7) is free from recesses (6). |
