Thin Film Reflector Panel Assembly on a Mandrel for Surface Precision
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods lack the capability to manufacture highly precise, curved, thin film reflectors for space applications, which require both high precision and lightweight deployable structures.
Innovation Solution
The system and method involve creating precision three-dimensional surfaces from two-dimensional materials by cutting the materials into specific patterns using a template, and then coupling adjacent panels together on a mandrel to form a three-dimensional surface with controlled precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional manufacturing methods are used for reflectors, then structural strength is maintained, but manufacturing precision and surface accuracy deteriorate
Solution Approach 1:
The reflector surface is divided into multiple discrete panels that are manufactured separately with high precision using computer-controlled cutting equipment, then assembled together to form the complete curved surface. This segmentation allows each panel to be manufactured with high accuracy while maintaining overall structural integrity.
Solution Approach 2:
A mandrel is introduced as an intermediary tool during the manufacturing process. The mandrel provides a precise geometric reference surface that guides the positioning and assembly of panels, ensuring high surface accuracy without requiring complex direct manufacturing methods.
2Weight of moving object
If thin film materials are used to reduce weight, then weight requirements are met, but manufacturing precision and structural strength deteriorate
Solution Approach 1:
Thin film materials are used to construct the reflector panels, achieving weight reduction while maintaining structural integrity through careful material selection and design. The thin films are manufactured with precise geometric patterns that enable them to form accurate curved surfaces when assembled on the mandrel.
Solution Approach 2:
The thin film reflector is divided into multiple panels that are easier to manufacture and assemble with high precision. Each panel can be individually controlled and positioned, ensuring that the thin material achieves the required surface accuracy despite its lightweight nature.
3Weight of moving object
If deployable structures are used to reduce launch mass, then weight is reduced, but structural stability and precision deteriorate
Solution Approach 1:
The deployable structure is divided into multiple modular panels that can be compacted for launch and then assembled in space. Each panel maintains its structural integrity independently, and when assembled on the mandrel, they form a stable complete structure with high surface precision.
Solution Approach 2:
The mandrel serves as a stable intermediary structure during assembly, providing a rigid reference framework that ensures structural stability. Once the panels are assembled and secured to the mandrel, the complete structure achieves the required stability and precision for its intended application.
Data Source
AI summary
Systems and methods are provided herein for making a high precision three-dimensional surface by cutting panels having curved outer edges, aligning the edges of adjacent panels on a mandrel having a curved surface, illuminating the mandrel to show space between the panels, adjusting the panels to bring into precision alignment, using a magnifier and micrometer to readjust the position of the panels relative to each other for a more precise alignment, and adhering the panels together in a precise orientation for creating the high precision three dimensional surface.