A method of making an explosive charge liner comprises introducing powdered material into a basin defined by a die block, where a punch is shaped to interact with the basin, excluding the powdered material from a central portion of the basin, pressing the punch into the powdered material in the basi
A method of making an explosive charge liner comprises introducing powdered material into a basin defined by a die block, where a punch is shaped to interact with the basin, excluding the powdered material from a central portion of the basin, pressing the punch into the powdered material in the basin to form the explosive charge liner, and removing the explosive charge liner from the die block. The explosive charge liner comprises an aperture in an apex area of the explosive charge liner corresponding to the central portion when removed from the die block.
대표청구항▼
1. A method of making an explosive charge liner comprising: introducing powdered material into a basin defined by a die block, wherein a punch is shaped to interact with the basin, wherein the punch and the basin define a conical shape;excluding the powdered material from a central portion of the ba
1. A method of making an explosive charge liner comprising: introducing powdered material into a basin defined by a die block, wherein a punch is shaped to interact with the basin, wherein the punch and the basin define a conical shape;excluding the powdered material from a central portion of the basin;pressing the punch into the powdered material in the basin while the powdered material is excluded from the central portion of the basin;compressing the powdered material along the sides of the basin to form the explosive charge liner having an aperture in an apex area, wherein the powdered material achieves a design density along an entire length of the sides of the explosive charge liner based on excluding the powdered material from the central portion of the basin; andremoving the explosive charge liner from the die block, wherein the explosive charge liner comprises the aperture in the apex area of the explosive charge liner corresponding to the central portion when removed from the die block. 2. The method of claim 1, wherein the punch comprises a pin that extends through a hole in the die block and excludes the powdered material from the central portion of the basin. 3. The method of claim 1, further comprising rotating the die block, and wherein the powdered material is introduced into the basin before starting to rotate the die block. 4. The method of claim 3, further comprising stopping rotating the die block after pressing the punch into the powdered material in the basin begins. 5. The method of claim 3, further comprising distributing the powdered material inside the basin as the punch is pressed into the powdered material based on rotating the die block. 6. The method of claim 1, wherein pressing the punch into the powdered material continues until at least a 40,000 pounds per square inch (PSI) of force is applied to the powdered material. 7. The method of claim 1, further comprising rotating the punch. 8. The method of claim 7, further comprising distributing the powdered material inside the basin as the punch is pressed into the powdered material based on rotating the punch. 9. A method of making an explosive charge liner comprising: introducing powdered material into a basin defined by a die block, wherein a punch is shaped to interact with the basin, and wherein the die block comprises a pin that excludes the powdered material from the central portion of the basin;pressing the punch into the powdered material in the basin while the pin excludes the powered material from the central portion;compressing the powdered material along the sides of the basin; andforming the explosive charge liner based on the compressing, wherein the explosive charge liner comprises an aperture in an apex area of the explosive charge liner corresponding to the central portion defined by the pin, and wherein the powdered material achieves a design density along an entire length of the sides of the explosive charge liner. 10. The method of claim 9, wherein the punch defines an axially located aperture that is sized to receive the pin, and wherein the method further comprises receiving the pin in the aperture. 11. The method of claim 9, wherein the die block defines a flattened lip proximate to a narrow end of the basin and concentric with the center axis of the basin. 12. The method of claim 9, further comprising removing the explosive charge liner from the die block, wherein the explosive charge liner comprises an aperture in an apex area of the explosive charge liner when removed from the die block. 13. The method of claim 9, wherein the powdered material comprises at least one of copper, tungsten, tantalum, lead, gold, or depleted uranium. 14. A method of making an explosive charge comprising: introducing powdered material into a basin defined by a die block, wherein a punch is shaped to interact with the basin;excluding the powdered material from a central portion of the basin;pressing the punch into the powdered material in the basin while the powdered material is excluded from the central portion of the basin;compressing the powdered material along the sides of the basin to form the explosive charge liner having an aperture in an apex area, wherein the powdered material achieves a design density along an entire length of the sides of the explosive charge liner; andforming an explosive charge comprising the explosive charge liner, wherein the explosive charge comprises a casing, the explosive charge liner, and an explosive disposed between the casing the explosive charge liner, and wherein the powdered material in the explosive charge liner is held together by green strength in the explosive charge. 15. The method of claim 14, wherein pressing the punch into the powdered material continues until at least a 40,000 pounds per square inch (PSI) of force is applied to the powdered material. 16. The method of claim 14, further comprising removing the explosive charge liner from the die block, wherein the explosive charge liner comprises an aperture in an apex area of the explosive charge liner corresponding to the central portion of the basin when removed from the die block. 17. The method of claim 16, further comprising fitting a plug into the aperture. 18. The method of claim 17, wherein a combination of the plug fitted into the aperture at the narrow end of the wall and a side of the liner defines a conical shape, wherein the plug contributes less than 15% of the length of a wall of the conical shape. 19. The method of claim 17, wherein the plug is formed of a second material that is less dense than the powdered material. 20. The method of claim 14, wherein the powdered material comprises at least one of copper, tungsten, tantalum, lead, gold, or depleted uranium.
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