Sabot with Bionic Structures for Weight Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sabot designs for sub-caliber projectiles face challenges in achieving weight reduction while maintaining structural integrity and environmental resistance, particularly due to issues like aging, chemical compatibility, and high production costs associated with plastics and fiber composites.
Innovation Solution
The use of bionic structures, such as honeycombs, struts, and spherical cavities, created through 3D printing or laser sintering processes, allows for weight reduction while ensuring sufficient strength and rigidity, with the ability to define cavity size, shape, and distribution within the sabot segments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plastics or fiber composites are used for sabot construction, then environmental resistance and chemical compatibility are improved, but weight is increased and production costs rise
Solution Approach 1:
The patent employs porous metal foam materials for sabot construction, which provide both weight reduction and maintained structural integrity. The porous structure reduces density while the metal base material retains environmental resistance and chemical compatibility, resolving the contradiction between weight and reliability.
Solution Approach 2:
The patent uses composite structures combining metal foam with reinforcing elements or coatings. This composite approach allows the sabot to achieve lightweight properties from the foam while maintaining strength and environmental resistance through the composite structure, addressing both weight and reliability requirements.
2Weight of moving object
If weight reduction measures such as holes and slots are implemented, then sabot weight decreases and muzzle velocity increases, but structural integrity and environmental resistance deteriorate
Solution Approach 1:
Instead of discrete holes and slots that compromise structural integrity, the patent uses uniformly porous metal foam material throughout the sabot structure. This provides systematic weight reduction while maintaining overall structural coherence and strength, preventing the deterioration of structural integrity that occurs with traditional hole-based weight reduction.
3Strength
If high-strength materials like aluminum or packed plastic are used, then structural strength is improved, but weight increases and production costs rise
Solution Approach 1:
The patent utilizes metal foam materials that provide high strength-to-weight ratio. The cellular structure of the foam provides structural strength while the porous nature reduces density, enabling the sabot to achieve both high strength and weight reduction simultaneously, resolving the contradiction between these two parameters.
4Ease of manufacture
If conventional manufacturing methods are used, then production process is simple, but weight reduction potential is limited and production costs are high
Solution Approach 1:
The patent employs advanced manufacturing parameters and processes (such as foam casting or additive manufacturing) that enable the creation of porous structures with optimized density and distribution. These parameter changes allow achieving weight reduction goals while maintaining manufacturability, resolving the contradiction between manufacturing simplicity and weight reduction potential.
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
This approach enables cost-effective production of lightweight sabot parts with enhanced environmental resistance and maximum muzzle velocity, addressing the limitations of previous materials by providing customizable and robust structures for optimal performance.
Implementation Method 1
Metal laser sintering enables the production of the sabot or the sabot parts or segments with the bionic structures from a metal such as aluminum
Implementation Method 2
Metal laser sintering enables the production of the sabot or the sabot parts or segments with the bionic structures
Data Source
AI summary
The invention relates to a sabot (2) in which bionic structures (5, 6) are provided. Said structures are generated or created by way of an additive manufacturing process during the manufacture of the sabot (2) in a defined manner with respect to size, shape and/or volume and in a targeted manner with respect to the local and quantitative embedding in the sabot (2).