A shot tube plunger of a die casting system includes a tip portion and a thermal control scheme at least partially disposed within the shot tube plunger. The thermal control scheme includes a fluid passageway having at least one coiled portion that receives a fluid to adjust a temperature of the sho
A shot tube plunger of a die casting system includes a tip portion and a thermal control scheme at least partially disposed within the shot tube plunger. The thermal control scheme includes a fluid passageway having at least one coiled portion that receives a fluid to adjust a temperature of the shot tube plunger.
대표청구항▼
1. A die casting system, comprising: a shot tube plunger including a plunger body and a tip portion attached only at a first face of said plunger body, wherein said tip portion is a separate structure from said plunger body; anda thermal control scheme at least partially disposed inside of said shot
1. A die casting system, comprising: a shot tube plunger including a plunger body and a tip portion attached only at a first face of said plunger body, wherein said tip portion is a separate structure from said plunger body; anda thermal control scheme at least partially disposed inside of said shot tube plunger, wherein said thermal control scheme includes a fluid passageway having at least one coiled portion that extends at least partially through said tip portion and receives a fluid to adjust a temperature of said shot tube plunger. 2. The system as recited in claim 1, wherein said thermal control scheme includes a fluid inlet, a fluid outlet and said at least one coiled portion. 3. The system as recited in claim 1, wherein said thermal control scheme includes a plurality of coiled portions. 4. The system as recited in claim 1, wherein said at least one coiled portion is entirely disposed within said tip portion. 5. The system as recited in claim 1, comprising a thermocouple embedded in a surface of said tip portion. 6. The system as recited in claim 1, wherein an internal passageway of said at least one coiled portion includes a geometric feature that protrudes from a wall of said internal passageway. 7. The system as recited in claim 6, wherein said geometric feature includes one of a knurled texture and alternating trip strips. 8. A die casting system, comprising: a die including a plurality of die elements that define a die cavity;a shot tube in fluid communication with said die cavity; anda shot tube plunger moveable within said shot tube to communicate a charge of material into said die cavity, wherein said shot tube plunger includes a tip portion that is a separate structure from said shot tube plunger and a thermal control scheme, wherein said tip portion includes a plurality of tip layers that are coaxially disposed to define a portion of a fluid passageway of said thermal control scheme, and said tip portion is attached only at a first face of said shot tube plunger that faces toward said charge of material within said shot tube. 9. The system as recited in claim 8, wherein each of said plurality of tip layers include a coiled portion of said fluid passageway. 10. The system as recited in claim 9, wherein said coiled portions are helix-shaped. 11. The system as recited in claim 9, comprising a passage that connects an inlet of each of said coiled portions. 12. The system as recited in claim 8, comprising a shot rod connected to said shot tube plunger on an opposite side from said tip portion, wherein a portion of said fluid passageway is disposed within said shot rod. 13. The system as recited in claim 1, wherein said fluid passageway includes a fluid inlet and a fluid outlet that surrounds said fluid inlet. 14. The system as recited in claim 1, wherein said tip portion is attached to said shot tube plunger. 15. The system as recited in claim 1, wherein said tip portion includes a plurality of tip layers that are axially stacked relative to one another. 16. The system as recited in claim 8, wherein said tip portion is attached to said shot tube plunger. 17. The system as recited in claim 8, wherein at least a portion of said die casting system is positioned within a vacuum chamber. 18. The system as recited in claim 8, wherein said plurality of tip layers are attached to one another to establish said tip portion and said tip portion is attached to said shot tube plunger. 19. The system as recited in claim 8, wherein said fluid passageway includes a plurality of coiled portions, and an inlet of a first coiled portion of said plurality of coiled portions is connected to an inlet of a second coiled portion of said plurality of coiled portions. 20. A die casting system, comprising: a shot tube plunger;a tip portion attached to a first face of said shot tube plunger;a shot rod attached to a second face of said shot tube plunger; anda thermal control scheme disposed internal to said shot tube plunger and said shot rod, wherein said thermal control scheme includes a fluid inlet; and a fluid outlet that extend in parallel in a direction of a longitudinal axis of said shot tube plunger and multiple coiled portions each having an inlet and an outlet, and wherein each of said inlets of said multiple coiled portions are connected to said fluid inlet and each of said outlets of said multiple coiled portions are connected to said fluid outlet.
Miki Isao (Shimizu JPX) Nagi Tsutomu (Shimizu JPX), Method for cooling a plunger tip in a die casting machine of the cold chamber type and apparatus therefor.
Schroeder, Karl; De Neff, Robert C.; Stasiak, Tom; Hider, Tim; Homan, Shane; Whitmore, Don, Apparatus for injecting molten metal into a die cast machine and methods and control systems for cooling the same.
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