Linear Shaped Charge Foam Body Segmentation
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Solution Overview
Problem
The manufacture of linear shaped charges is expensive due to the requirement for specialist machinery, making them feasible only at certain factories, and existing designs are complex and costly to produce.
Innovation Solution
A cost-effective design for a linear shaped charge comprising two separate explosive elements angled towards each other with a channel in between, allowing for a simpler and less expensive construction method, using foam material and a V-shaped liner for efficient cutting jet formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional linear shaped charge manufacturing methods are used, then cutting performance is maintained, but production cost increases and manufacturing complexity increases
Solution Approach 1:
The explosive charge is divided into multiple discrete explosive elements (first explosive element, second explosive element, etc.) positioned in separate cavities within the foam body. This segmentation allows for simpler, less expensive manufacturing processes while maintaining the cutting performance through coordinated detonation of the segmented elements.
2Ease of manufacture
If complex existing designs are used, then cutting performance is maintained, but production cost increases
Solution Approach 1:
The invention changes the structural parameters by using a foam body with multiple cavities containing separate explosive elements, replacing the traditional single-piece complex design. This parameter change enables cost-effective manufacturing through simpler production processes while maintaining precise cutting performance through the geometric configuration of the cavities and explosive elements.
3Ease of manufacture
If specialist machinery is used for manufacture, then linear shaped charges can be produced, but production cost increases and factory location becomes restricted
Solution Approach 1:
The invention employs a disposable foam body structure with pre-formed cavities that can be manufactured using inexpensive, non-specialist equipment. The foam body and explosive elements are designed as a disposable assembly that achieves the cutting function in a single use, eliminating the need for expensive specialized manufacturing machinery and allowing production at ordinary factories.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The new design reduces production costs while maintaining high cutting performance, enabling flexible and precise cutting of various materials, including metals and non-metals, with improved underwater operation and adaptability.
Implementation Method 1
when the explosive element is detonated
Implementation Method 2
Linear shaped charges may be used for civil and military engineering applications
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A linear shaped charge comprising a body comprising a foam material, a first explosive element, a second explosive element, a liner and a channel at least partly between the first explosive element and the second explosive element. A related structure is also described, with a first cavity configured to receive a first explosive element and a second cavity configured to receive a second explosive element.