| 摘要 |
Method upon heating of extrusion tools (1) for the extrusion of metal into a profile and which extrusion tool is formed by an internal tool (5) that is receivable by a tool ring (4) and that has the intended hole-profile openings (6). In that connection, the entire extrusion tool (1) is heated, after which the temperature of the tool ring (4) only is lowered before subsequent introduction of the extrusion tool (1) into the press and the execution of the extrusion. |
