Multi-die-core complex profile hot extrusion die
The utility model relates to a multi-die-core complex profile hot extrusion die which comprises a female die, a male die, a male die and a hot extrusion die. The male die is provided with a main die core, a plurality of auxiliary die cores which are distributed at intervals along the periphery of th...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a multi-die-core complex profile hot extrusion die which comprises a female die, a male die, a male die and a hot extrusion die. The male die is provided with a main die core, a plurality of auxiliary die cores which are distributed at intervals along the periphery of the main die core, a plurality of inner flow dividing holes which are distributed at intervals along the circumference and a plurality of outer flow dividing holes which are distributed at intervals along the circumference; a first forming area is formed between the forming end of the main mold core and the forming cavity, a second forming area is formed between the forming end of the auxiliary mold core and the forming end of the main mold core, a third forming area is formed between the formingend of the auxiliary mold core and the forming cavity, and the first forming area, the second forming area and the third forming area are communicated. The inner shunting hole is positioned in one side, close to the center li |
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