A die casting system includes a die, a shot tube, a melting system and a vacuum system. The die includes a plurality of die components that define a die cavity. The shot tube is in fluid communication with the die cavity and is operable to deliver a charge of material to the die cavity. The melting
A die casting system includes a die, a shot tube, a melting system and a vacuum system. The die includes a plurality of die components that define a die cavity. The shot tube is in fluid communication with the die cavity and is operable to deliver a charge of material to the die cavity. The melting system is positioned adjacent to the die and includes an alloy loader, a melting unit and a crucible. The vacuum system defines a first chamber and a second chamber separated from the first chamber by an isolation valve. The melting system is disposed within the first chamber, and the die is disposed within the second chamber.
대표청구항▼
1. A die casting system, comprising: a die including a plurality of die components that define a die cavity;a shot tube in fluid communication with said die cavity and operable to deliver a charge of material to said die cavity;a shot tube plunger moveable within said shot tube to inject said charge
1. A die casting system, comprising: a die including a plurality of die components that define a die cavity;a shot tube in fluid communication with said die cavity and operable to deliver a charge of material to said die cavity;a shot tube plunger moveable within said shot tube to inject said charge of material into said die;a melting system positioned to communicate said charge of material to said die and including an alloy loader, a melting unit and a crucible; anda vacuum system defining a first chamber and a second chamber separated from said first chamber by an isolation valve, wherein said melting system is substantially enclosed within said first chamber and said die is substantially enclosed within said second chamber. 2. The system as recited in claim 1, wherein said first chamber and said second chamber are maintained at a pressure in the range of 5×10−3 to 1×10−6 Torr (0.6666 to 0.000133 Pascal). 3. The system as recited in claim 1, wherein said melting unit includes at least one electron beam melting gun. 4. The system as recited in claim 1, comprising a shut-off mechanism that selectively isolates said die cavity from said melting system, wherein said shut-off mechanism is a separate structure from said isolation valve. 5. The system as recited in claim 1, wherein said die casting system is a vertical die casting system in which said first chamber is positioned vertically above said second chamber. 6. The system as recited in claim 1, wherein said die casting system is a horizontal die casting system in which said first chamber is axially offset from said second chamber. 7. The system as recited in claim 1, wherein said alloy loader includes a conveyor that loads said charge of material onto said alloy loader. 8. The system as recited in claim 1, wherein said alloy loader includes an alloy carousel. 9. The system as recited in claim 1, comprising a second isolation valve that is selectively accessible to remove a cast component from said die casting system. 10. The system as recited in claim 1, wherein said die includes a runner that communicates said charge of material from said melting system to said shot tube. 11. The system as recited in claim 10, comprising a shut-off mechanism that selectively closes said runner, wherein said shut-off mechanism is a separate structure from said isolation valve. 12. The system as recited in claim 1, comprising a vacuum source that applies a vacuum to said first chamber and said second chamber. 13. The system as recited in claim 1, wherein said first chamber is maintained at a different vacuum level than said second chamber. 14. The system as recited in claim 1, wherein said isolation valve includes a plate that is moveable between an open position and a closed position to isolate said first chamber from said second chamber. 15. The system as recited in claim 9, wherein said second isolation valve is positioned between said die and a machine base. 16. The system as recited in claim 1, wherein said crucible includes a load sensor. 17. The system as recited in claim 1, wherein said melting system includes a plurality of crucibles that are positioned on a rotating platform. 18. A die casting system, comprising: a die that defines a die cavity;a shot tube in fluid communication with said die cavity;a melting system positioned adjacent to said die;a vacuum system defining a first chamber and a second chamber separated from said first chamber by an isolation valve, wherein said melting system is substantially enclosed within said first chamber and said die is substantially enclosed within said second chamber, wherein said first chamber is positioned vertically above said second chamber; anda runner that extends between said shot tube and said melting system and communicates a charge of material from said melting system into said shot tube. 19. The system as recited in claim 1, wherein said die, said shot tube and said shot tube plunger are part of said second chamber and are separate from said first chamber that includes said melting system. 20. The system as recited in claim 1, wherein said alloy loader includes a second isolation valve. 21. The system as recited in claim 14, wherein said closed position is axially displaced from said open position. 22. The system as recited in claim 1, wherein said melting unit includes a second isolation device. 23. The system as recited in claim 1, wherein said die casting system is part of a die casting cell that includes at least one mechanism that accesses said die cavity through said isolation valve, and at least one post-cast station positioned proximal to said die casting system, wherein said at least one mechanism removes a casting from said die and delivers said casting to said at least one post-cast station for performing a secondary operation. 24. The system as recited in claim 23, wherein said at least one post-cast station includes a gate cut-off fixture. 25. The system as recited in claim 23, wherein said at least one post-cast station includes a belt grinding station. 26. The system as recited in claim 23, wherein said at least one post-cast station includes a grit blasting station. 27. The system as recited in claim 23, wherein said at least one post-cast station includes an inspection station. 28. The system as recited in claim 23, wherein said die casting cell includes a die storage oven and a pallet changer.
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이 특허에 인용된 특허 (9)
Robert W. Ratte, Apparatus and method of forming parts.
Campbell Dave L. (Waukegan IL) Clark George R. (Waukegan IL) Kenik Frank W. (Wadsworth IL) VanRens Russell J. (Milwaukee WI), Vacuum die casting process.
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