Molding process for composite bullet core of kinetic armor-piercing bullet with ultrahigh armor-piercing capacity
By adopting a dual combination of physical and chemical combination in the projectile forming process, the problem of insufficient connection strength of the armor-piercing rod is solved, and higher armor-piercing strength and stability are achieved.
Patent Information
- Application Number
- CN202411403882.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-04-25
AI Technical Summary
In the existing projectile forming process, the physical bonding strength between the armor-piercing rods is insufficient, resulting in insufficient strength during the launch process, and bending is prone to occur during armor-piercing.
Using a dual combination of physical bonding (such as threaded connection) and chemical bonding (such as injecting copper-based paste-like brazing), the armor-piercing rods are connected together and heated in the heating mold to melt the copper-based paste-like brazing and fill the gap at the joint.
The bonding strength between the armor-piercing rods is improved, the strength during the launch process is ensured, and the bending and torsional forces during armor-piercing are overcome, which improves the armor-piercing strength.
Smart Images
Figure CN119879666A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of projectile processing, and in particular to a forming process for a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability. Background Art
[0002] In the current projectile forming process, the two armor-piercing rods are mainly connected by physical bonding. However, the simple physical bonding method will result in low connection strength between the two armor-piercing rods, which cannot guarantee the strength of the launching process, and is prone to bending during armor penetration. Summary of the invention
[0003] The purpose of the present invention is to provide a composite core forming process for a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability, so as to solve the above-mentioned technical problems.
[0004] The technical solution adopted by the present invention is as follows:
[0005] A composite core forming process for a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability, the composite core comprising a first armor-piercing rod and a second armor-piercing rod, the composite core forming process comprising:
[0006] S1, firstly physically combining the tail of the first armor-piercing rod and the head of the second armor-piercing rod together;
[0007] S2, combining the tail of the first armor-piercing rod and the head of the second armor-piercing rod together by chemical bonding;
[0008] S3, then placing the tail portion of the first armor-piercing rod and the second armor-piercing rod that are combined together in a heating mold for heating.
[0009] Preferably, in S1, the physical connection method includes threaded connection.
[0010] As a further preference, an outer thread is provided on the outer edge of the tail of the first armor-piercing rod, and a threaded hole is provided on the head of the second armor-piercing rod.
[0011] Preferably, in S2, the chemical bonding method includes injecting a copper-based paste solder into the junction between the first armor-piercing rod and the second armor-piercing rod.
[0012] As a further preference, in S3, the heating mold includes a vacuum sintering furnace, and when the copper-based solder paste is heated, the copper-based solder paste will melt and fill the gap at the junction between the first armor-piercing rod and the second armor-piercing rod.
[0013] Preferably, the head of the first armor-piercing rod is provided with a taper.
[0014] Preferably, the first armor-piercing rod is made of hard alloy.
[0015] Preferably, the second armor-piercing rod is made of tungsten alloy.
[0016] The above technical solution has the following advantages or beneficial effects:
[0017] In the present invention, the first armor-piercing rod and the second armor-piercing rod are combined together by physical and chemical bonding, so that the bonding strength between the two armor-piercing rods is high, which can ensure the strength during the firing process and can overcome the bending and torsional forces during armor-piercing, thereby ensuring the armor-piercing strength. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the composite core of the armor-piercing projectile in the present invention;
[0019] Figure 2 It is a process flow chart of the composite core forming process of the kinetic energy armor-piercing projectile with super-high armor-piercing capability in the present invention.
[0020] In the figure: 1. first armor-piercing rod; 2. second armor-piercing rod; 3. threaded hole; 4. copper-based paste solder. DETAILED DESCRIPTION
[0021] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0022] In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] Figure 1 It is a schematic diagram of the structure of the composite core of the armor-piercing projectile in the present invention; Figure 2 This is a process flow chart of the kinetic energy armor-piercing projectile composite core forming process with ultra-high armor-piercing capability in the present invention, please refer to Figure 1 to Figure 2 As shown, a preferred embodiment is shown, which shows a composite core forming process of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability, the composite core comprising a first armor-piercing rod 1 and a second armor-piercing rod 2, and the composite core forming process comprises:
[0025] S1, firstly combine the tail of the first armor-piercing rod 1 and the head of the second armor-piercing rod 2 together by physical combination;
[0026] S2, combining the tail of the first armor-piercing rod 1 and the head of the second armor-piercing rod 2 together by chemical bonding;
[0027] S3, then placing the tail of the first armor-piercing rod 1 and the second armor-piercing rod 2 that are combined together in a heating mold for heating. In this embodiment, the first armor-piercing rod 1 and the second armor-piercing rod 2 are first connected together by physical bonding, and then the connection between the first armor-piercing rod 1 and the second armor-piercing rod 2 is combined again by chemical bonding, which can ensure the strength of the connection between the first armor-piercing rod 1 and the second armor-piercing rod 2, avoid bending and twisting force during firing, and improve the armor-piercing strength.
[0028] Further, as a preferred embodiment, in S1, the physical combination includes a threaded connection. In the present invention, an external thread is provided on the outer edge of the tail of the first armor-piercing rod 1, a threaded hole 3 is provided on the head of the second armor-piercing rod 2, and the tail of the first armor-piercing rod 1 is arranged in the threaded hole 3, so as to achieve physical combination between the two and achieve a preliminary connection between the two.
[0029] Further, as a preferred embodiment, in S2, the chemical bonding method includes injecting a copper-based paste solder 4 into the joint of the first armor-piercing rod 1 and the second armor-piercing rod 2. The copper-based paste solder 4 can be squeezed into the threaded hole 3 in advance or squeezed into the threaded hole 3 of the second armor-piercing rod 2 when the first armor-piercing rod 1 and the second armor-piercing rod 2 are physically combined. When the first armor-piercing rod 1 and the second armor-piercing rod 2 are rotated into place, the whole is placed in the heating mold for heating.
[0030] Further, as a preferred embodiment, in S3, the heating mold includes a vacuum sintering furnace. When the copper-based solder paste 4 is heated, the copper-based solder paste 4 will melt and fill the gap at the junction between the first armor-piercing rod 1 and the second armor-piercing rod 2. The copper-based solder paste 4 will melt after being heated to a certain temperature. The melted copper-based solder paste 4 can automatically fill the gap at the junction between the first armor-piercing rod 1 and the second armor-piercing rod 2 to ensure the strength of the two after the junction.
[0031] Furthermore, as a preferred embodiment, the head of the first armor-piercing rod 1 is provided with a taper, which utilizes the principle of flying supersonic shock waves to reduce the flight resistance of the projectile core, has a good speed storage effect at a long distance, and realizes the armor-piercing function. At the same time, the first armor-piercing rod 1 is made of cemented carbide. Due to the high hardness of cemented carbide, it is not easy to deform during the armor-piercing process, and will not form a mushroom head shape that is not conducive to armor-piercing, which provides a favorable leading armor-piercing effect for subsequent core armor-piercing, so as to improve the armor-piercing capability.
[0032] The second armor-piercing rod 2 is made of tungsten alloy. Due to the high strength and good toughness of this material, annular grooves of various shapes required can be processed on the basis of the second armor-piercing rod 2. The corresponding thrust cartridge can be adapted according to the actual type of bullet. With the aluminum alloy saddle-shaped three-petal aluminum cartridge, a tail-fin discarding sabot armor-piercing projectile structure can be formed. With the plastic cartridge, a rotationally stable armor-piercing projectile can be formed. The tungsten alloy armor-piercing rod can also be designed and calculated according to different combat technical indicators to adjust the weight and aspect ratio of the armor-piercing rod to improve the armor-piercing specific kinetic energy to achieve the armor-piercing target.
[0033] The composite projectile core manufactured by this process can be used in various types of kinetic energy armor-piercing projectiles, and can penetrate ultra-thick target plates.
[0034] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.
Claims
1. A process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability, wherein the composite core comprises a first armor-piercing rod and a second armor-piercing rod, and is characterized in that: The composite core forming process comprises: S1. First, physically combine the tail of the first armor-piercing rod and the head of the second armor-piercing rod together; S2, combining the tail of the first armor-piercing rod and the head of the second armor-piercing rod together by chemical bonding; S3, then placing the tail portion of the first armor-piercing rod and the second armor-piercing rod that are combined together in a heating mold for heating.
2. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 1, characterized in that: In S1, the physical connection method includes threaded connection.
3. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 2, characterized in that: An external thread is provided at the outer edge of the tail of the first armor-piercing rod, and a threaded hole is provided at the head of the second armor-piercing rod.
4. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 1, characterized in that: In S2, the chemical bonding method includes injecting a copper-based paste solder into the joint between the first armor-piercing rod and the second armor-piercing rod.
5. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 4, characterized in that: In S3, the heating mold includes a vacuum sintering furnace. When the copper-based solder paste is heated, the copper-based solder paste will melt and fill the gap at the junction between the first armor-piercing rod and the second armor-piercing rod.
6. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 1, characterized in that: The head of the first armor-piercing rod is provided with a taper.
7. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 1, characterized in that: The first armor-piercing rod is made of hard alloy.
8. The process for forming a composite core of a kinetic energy armor-piercing projectile with ultra-high armor-piercing capability as claimed in claim 1, characterized in that: The second armor-piercing rod is made of tungsten alloy.