| 摘要 |
A drawing die tool (1) is provided, which comprises: a wear-resistant forming insert (5) having an outer surface (50) tapering in a working direction (W); a steel sleeve (4) made of hot working steel into which the wear-resistant forming insert (5) is fitted by shrink-fitting, the steel sleeve (4) having an internal surface (41) tapering in the working direction which is adapted for cooperating with the outer surface (50) of the wear-resistant forming insert (5) and an external surface (40); an outer casing (2) having an internal surface (25) in which the steel sleeve (4) together with the wear-resistant forming insert (5) is mounted with the external surface (40) of the steel sleeve (4) contacting the internal surface (25) of the outer casing (2); and a securing element (6) for securing the steel sleeve (4) and the wear-resistant forming insert (5) in the outer casing (2). |
