Hot extrusion die for hob cutter ring of shield tunneling machine and die manufacturing method of hot extrusion die
The invention discloses a hot extrusion die for a hob cutter ring of a shield tunneling machine and a die manufacturing method of the hot extrusion die, and belongs to the technical field of hot extrusion dies. Comprising an upper die, a lower die, a lower connecting plate, a die core, a pressure he...
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| creator | LI FEI ZHAO GUORONG HE MIN CAI YUNXIU LI YONGKUN LI DOU LU DEHONG |
| description | The invention discloses a hot extrusion die for a hob cutter ring of a shield tunneling machine and a die manufacturing method of the hot extrusion die, and belongs to the technical field of hot extrusion dies. Comprising an upper die, a lower die, a lower connecting plate, a die core, a pressure head and a guide rod, the pressure head is located above the upper die, the upper die is connected above the lower die, the lower die is connected above the lower connecting plate, and the upper die is provided with an injection port and an upper die cutter ring cavity; the upper die is provided with an upper die cutter ring cavity and a central circular hole connected with the die core, the lower die is provided with a lower die cutter ring cavity and a central circular hole connected with the die core, the upper die cutter ring cavity and the lower die cutter ring cavity are oppositely arranged to form a complete cutter ring cavity, the upper die and the lower die are respectively provided with an upper die heating |
| format | Patent |
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Comprising an upper die, a lower die, a lower connecting plate, a die core, a pressure head and a guide rod, the pressure head is located above the upper die, the upper die is connected above the lower die, the lower die is connected above the lower connecting plate, and the upper die is provided with an injection port and an upper die cutter ring cavity; the upper die is provided with an upper die cutter ring cavity and a central circular hole connected with the die core, the lower die is provided with a lower die cutter ring cavity and a central circular hole connected with the die core, the upper die cutter ring cavity and the lower die cutter ring cavity are oppositely arranged to form a complete cutter ring cavity, the upper die and the lower die are respectively provided with an upper die heating</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING |
| title | Hot extrusion die for hob cutter ring of shield tunneling machine and die manufacturing method of hot extrusion die |
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