F42B35/00

Mechanical rotary shock testing machines
11346758 · 2022-05-31 · ·

A linear and rotary shock-testing machine including: a base; a shaft rotatably and translationally movable relative to the base; a test disc for holding one or more specimens to be tested, the test disc being rotatable with the shaft; one of a cam and cam follower fixed relative to the base; and an other of the cam and cam follower fixed to the test disc, wherein the shaft being driven to provide a rotational shock to the one or more test specimens; and the cam is shaped such that the cam follower follows the cam to urge the test disc into a translational motion while rotating to provide translational shock to the one or more specimens.

DEVICE AND METHOD FOR SIMULATING A DYNAMIC MUNITION-RELATED ENVIRONMENT FOR A PROJECTILE, AND SIMULATION DEVICE-PROJECTILE ASSEMBLY
20230251071 · 2023-08-10 · ·

A device for simulating a dynamic munition-related environment for a projectile, and a simulation device-projectile assembly including: a suspension device configured for suspending the projectile along the longitudinal direction of the projectile in such a way that the projectile is mounted freely along the longitudinal axis of the projectile; a propulsion device configured for being positioned facing the rear end of the projectile at a predefined distance from the projectile; and an impactor configured for being propelled, by the propulsion device, at a predetermined velocity toward the rear end of the projectile so as to strike the projectile so as to reproduce a shock response spectrum specific to an exit from a muzzle.

DEVICE AND METHOD FOR SIMULATING A DYNAMIC MUNITION-RELATED ENVIRONMENT FOR A PROJECTILE, AND SIMULATION DEVICE-PROJECTILE ASSEMBLY
20230251071 · 2023-08-10 · ·

A device for simulating a dynamic munition-related environment for a projectile, and a simulation device-projectile assembly including: a suspension device configured for suspending the projectile along the longitudinal direction of the projectile in such a way that the projectile is mounted freely along the longitudinal axis of the projectile; a propulsion device configured for being positioned facing the rear end of the projectile at a predefined distance from the projectile; and an impactor configured for being propelled, by the propulsion device, at a predetermined velocity toward the rear end of the projectile so as to strike the projectile so as to reproduce a shock response spectrum specific to an exit from a muzzle.

TEST AND/OR PRACTICE AMMUNITION

The invention relates to a test and/or practice ammunition having at least one projectile with a projectile head and a fin which can be found at the end of the projectile for example or a projectile with a projectile base and a projectile ogive. A cartridge shell is used to receive a drive and has a shell base, wherein an interface is attached in or on the shell base. The test and/or practice ammunition is characterized by a programmable fuze which is arranged in the projectile head or the projectile ogive. The projectile head/projectile ogive is equipped with at least one fuze amplifier and an electronic fuze system and optionally a separating charge.

TEST AND/OR PRACTICE AMMUNITION

The invention relates to a test and/or practice ammunition having at least one projectile with a projectile head and a fin which can be found at the end of the projectile for example or a projectile with a projectile base and a projectile ogive. A cartridge shell is used to receive a drive and has a shell base, wherein an interface is attached in or on the shell base. The test and/or practice ammunition is characterized by a programmable fuze which is arranged in the projectile head or the projectile ogive. The projectile head/projectile ogive is equipped with at least one fuze amplifier and an electronic fuze system and optionally a separating charge.

PERFORATION TOOL AND LABORATORY TESTING SYSTEM WITH AN ADJUSTABLE FREE INTERIOR VOLUME
20210348891 · 2021-11-11 ·

A perforating tool including a body, a first lid and a second lid, the first lid attachable to one end of the body and the second lid attachable to an opposite end of the body, to define an interior cavity of the body. The interior cavity has an air-tight seal with an exterior environment surrounding the body. In some aspects, one or more plates disposable within the interior cavity such that the one or more plates are situated apart from an explosive charge when the explosive charge is disposed in the interior cavity, the one or more plates occupying part of a total interior volume of the interior cavity and thereby reducing a free interior volume inside the body. In some aspects, two or more plates disposable within the interior cavity such that the two or more plates are situated apart from an explosive charge when the explosive charge is disposed in the interior cavity, the two or more plates occupying part of a total interior volume of the interior cavity and thereby reducing a free interior volume inside the body.

PERFORATION TOOL AND LABORATORY TESTING SYSTEM WITH AN ADJUSTABLE FREE INTERIOR VOLUME
20210348891 · 2021-11-11 ·

A perforating tool including a body, a first lid and a second lid, the first lid attachable to one end of the body and the second lid attachable to an opposite end of the body, to define an interior cavity of the body. The interior cavity has an air-tight seal with an exterior environment surrounding the body. In some aspects, one or more plates disposable within the interior cavity such that the one or more plates are situated apart from an explosive charge when the explosive charge is disposed in the interior cavity, the one or more plates occupying part of a total interior volume of the interior cavity and thereby reducing a free interior volume inside the body. In some aspects, two or more plates disposable within the interior cavity such that the two or more plates are situated apart from an explosive charge when the explosive charge is disposed in the interior cavity, the two or more plates occupying part of a total interior volume of the interior cavity and thereby reducing a free interior volume inside the body.

Device and method for evaluating damage power of internal explosion

A method for evaluating a damage power of confined explosion, includes: determining a size of a confined case and a thickness of a target plate according to a requirement of evaluation on damage effectiveness of a warhead to establish an explosive damage effectiveness evaluation platform; calibrating parameters of the platform with a series of confined explosion tests of trinitrotoluene (TNT) bare charges in the case to form a relational map, in which a deflection of a mid-point of the target plate changes with a charge mass; obtaining a deflection of the mid-point of the target plate by detonating different warheads, forming different detonation atmosphere and forming different venting configuration in the case, and performing interpolation through the map to obtain an equivalent bare charge as an evaluation index. The method quantitatively evaluates the damage effectiveness of the warhead, and is not limited by the damage component.

Device and method for evaluating damage power of internal explosion

A method for evaluating a damage power of confined explosion, includes: determining a size of a confined case and a thickness of a target plate according to a requirement of evaluation on damage effectiveness of a warhead to establish an explosive damage effectiveness evaluation platform; calibrating parameters of the platform with a series of confined explosion tests of trinitrotoluene (TNT) bare charges in the case to form a relational map, in which a deflection of a mid-point of the target plate changes with a charge mass; obtaining a deflection of the mid-point of the target plate by detonating different warheads, forming different detonation atmosphere and forming different venting configuration in the case, and performing interpolation through the map to obtain an equivalent bare charge as an evaluation index. The method quantitatively evaluates the damage effectiveness of the warhead, and is not limited by the damage component.

DEVICE AND METHOD FOR EVALUATING DAMAGE POWER OF INTERNAL EXPLOSION

A method for evaluating a damage power of confined explosion, includes: determining a size of a confined case and a thickness of a target plate according to a requirement of evaluation on damage effectiveness of a warhead to establish an explosive damage effectiveness evaluation platform; calibrating parameters of the platform with a series of confined explosion tests of trinitrotoluene (TNT) bare charges in the case to form a relational map, in which a deflection of a mid-point of the target plate changes with a charge mass; obtaining a deflection of the mid-point of the target plate by detonating different warheads, forming different detonation atmosphere and forming different venting configuration in the case, and performing interpolation through the map to obtain an equivalent bare charge as an evaluation index. The method quantitatively evaluates the damage effectiveness of the warhead, and is not limited by the damage component.