Syntactic-Foam Parts With Inner Flow Layers for Taller Infusion
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Solution Overview
Problem
Conventional methods for making syntactic foams face challenges in achieving efficient and cost-effective production of buoyancy parts due to limitations in infusion rate and height, particularly with high-viscosity resins, leading to restricted part heights and prolonged manufacturing times.
Innovation Solution
Incorporation of inner distribution media layers within low-density spheres in the mold, utilizing strategically positioned vacuum ports and resin inlets to enhance resin flow and infusion efficiency, allowing for faster production of larger syntactic-foam parts using various resin types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional infusion methods are used with high-viscosity resins, then resin flow is difficult to achieve, but manufacturing time is prolonged and part height is restricted
Solution Approach 1:
The mold cavity is divided into multiple sections with separate resin inlets and vacuum ports. The infusion process is segmented into sequential phases where each section is filled independently, allowing high-viscosity resin to be infused efficiently without prolonging overall manufacturing time
Solution Approach 2:
The patent transitions from conventional single-point resin injection to multi-point distributed resin injection through multiple inlets positioned at different locations and heights. This dimensional expansion of the infusion system enables simultaneous resin flow through multiple pathways, dramatically increasing the infusion rate for high-viscosity resins
2Length of stationary object
If conventional infusion methods are used, then manufacturing process is simple, but part height is restricted
Solution Approach 1:
The infusion system is segmented into multiple independent inlet-vacuum port pairs positioned at different heights within the mold. This segmentation allows resin to be infused sequentially from bottom to top, enabling production of taller parts that would be impossible with single-point infusion
Solution Approach 2:
Resin inlets and vacuum ports are pre-positioned at specific heights and locations before the infusion process begins. This preliminary configuration ensures that when high-viscosity resin is introduced, it flows efficiently through predetermined pathways to achieve the desired part height without requiring complex real-time adjustments
3Adaptability or versatility
If high-viscosity resins are used with conventional methods, then resin flow is restricted, but manufacturing efficiency is reduced
Solution Approach 1:
The multi-section infusion system with multiple inlets and vacuum ports creates a universal manufacturing platform that can handle various resin viscosities effectively. The system's distributed architecture allows it to adapt to different resin types while maintaining high manufacturing efficiency, unlike conventional single-point systems that struggle with high-viscosity materials
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 method enables faster infusion rates and increased part heights, facilitating the use of higher-viscosity resins and reducing manufacturing time, thereby improving the efficiency and versatility of syntactic-foam production.
Implementation Method 1
applying vacuum to the mold by opening a primary vacuum port
Implementation Method 2
introducing a first portion of resin from the primary resin inlet into the first section of the mold
Data Source
AI summary
Disclosed herein is a syntactic-foam part and associated methods for making the syntactic-foam part using a mold. The syntactic-foam part includes low-density spheres with at least one inner distribution media layer positioned within the low-density spheres at a predetermined height, that are encapsulated in a resin. The at least one inner distribution media layer facilitates resin flow along an entirety of the at least one distribution media layer before flowing out of the at least one inner distribution media layer, thus resetting a resin level at an infusion interface during an infusion process.