Two-Sided Aircraft Component Mold With Sensor-Guided Resin Infusion
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Solution Overview
Problem
Traditional molding techniques for aircraft components often fail to provide adequate support during the molding process, leading to issues with component integrity and structural integrity.
Innovation Solution
A two-sided mold system is employed, comprising a mold first part and a mold second part, with integrated sensors to monitor molding parameters and a vacuum pump to control the flow of matrix material, ensuring proper support and infusion of reinforcing fibers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional single-sided mold techniques are used, then the molding process is simple, but certain components may not be properly supported during the molding process
Solution Approach 1:
The mold is divided into two separate parts (first mold part and second mold part) that can be positioned on opposite sides of the aircraft component. Each mold part independently supports different portions of the component during molding, ensuring proper support for complex geometries while maintaining manufacturing feasibility through modular construction
2Device complexity
If traditional molding techniques without integrated sensors are used, then the device complexity is low, but molding parameters cannot be monitored
Solution Approach 1:
Sensors are integrated directly into the mold parts to detect molding parameters such as temperature, pressure, and resin flow. This feedback is transmitted to the controller which adjusts the vacuum pump operation and heating elements in real-time, enabling precise control of the molding process while maintaining a relatively simple overall mold structure
3Device complexity
If vacuum pump control based on sensor data is not implemented, then the system is simpler, but matrix material flow control is inadequate
Solution Approach 1:
The vacuum pump operation is dynamically controlled based on real-time sensor feedback from the molding process. The controller adjusts vacuum pressure levels during different stages of resin infusion to optimize matrix material flow through the reinforcing fibers, ensuring complete saturation and eliminating voids while keeping the control system adaptable rather than overly complex
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 two-sided mold system enhances the molding process by providing consistent support and infusion, resulting in improved structural integrity and quality of aircraft components.
Implementation Method 1
at least one vacuum pump in fluidic communication with the mold cavity, wherein the vacuum pump pulls vacuum through the dry reinforcing fiber preform
Data Source
AI summary
A mold for molding aircraft components is provided. The mold includes a mold first part, a mold second part, and a mold insert, the mold first part and mold insert combining to form a cavity defining the shape of an aircraft component. The cavity may be filled with reinforcing fiber and then infused with matrix material to form a fiber-reinforced composite part. The mold may include one or more sensors to monitor data related to a molding process such as pressure, temperature, and material flow.