Rotational Draping Device for Textile Semi-Finished Products
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for draping two-dimensional textile semi-finished products, particularly in aircraft construction, are labor-intensive and difficult to automate, making it challenging to achieve consistent fibre orientations and efficient pre-draping processes for complex components like aircraft surfaces.
Innovation Solution
A draping device featuring a rotationally symmetrical body, such as a cone or frustum, with a drive system that rotates the body to deform and drape textile semi-finished products, allowing for automated stretching or compression of the materials on curved surfaces, facilitated by a resilient membrane and adjustable radii to adapt to different draping requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If traditional manual draping methods are used, then flexibility in handling complex shapes is maintained, but labor intensity increases and automation becomes difficult
Solution Approach 1:
The draping device is segmented into multiple functional components: a rotationally symmetrical body for deformation, a resilient membrane for material handling, and a drive system for automated rotation. This segmentation enables automated operation while maintaining control over the draping process through independent control of each component.
Solution Approach 2:
The resilient membrane automatically adapts to the rotationally symmetrical body and the textile semi-finished product during rotation, eliminating the need for complex external control systems. The membrane self-adjusts to maintain proper tension and contact, enabling automated draping with reduced operational complexity.
2Productivity
If individual component draping is performed manually, then precision in fibre orientation can be controlled, but productivity decreases
Solution Approach 1:
The drive system enables continuous rotation of the rotationally symmetrical body, allowing the textile semi-finished product to be draped continuously over complex surfaces without interruption. This continuous action dramatically increases productivity while the controlled rotation ensures consistent fibre orientation through uniform deformation throughout the process.
Solution Approach 2:
The device utilizes controlled changes in geometric parameters during rotation, including varying radial distances and angular positions, to achieve precise deformation of the textile semi-finished product. These parameter changes enable both high productivity through automated rotation and manufacturing precision through controlled deformation at each position.
3Productivity
If pre-draping is automated, then production efficiency improves, but adaptability to different component geometries becomes more difficult
Solution Approach 1:
The rotationally symmetrical body serves multiple functions: it acts as a deformation tool, a support structure, and a guide for the resilient membrane. This multi-functionality enables the same device to handle different component geometries efficiently, maintaining both high productivity and geometric adaptability through a single versatile mechanism.
Solution Approach 2:
The device employs dynamic adjustment through controlled rotation of the rotationally symmetrical body, allowing adaptation to various geometries during the draping process. The dynamic motion enables the same automated system to handle different component shapes by adjusting rotation parameters and membrane tension in real-time.
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
Enables rapid, automated, and efficient draping of textile semi-finished products on complex aircraft surfaces, improving fibre orientation consistency and facilitating the production of fibre composite components for aircraft parts by utilizing the arc length difference and membrane tension to achieve precise deformation.
Implementation Method 1
a resilient membrane (103) which can circulate around the first rotationally symmetrical body (102) and the first cylinder (101)
Implementation Method 2
A first drive (105) is configured to rotate the first body (102) about the first axis of rotation (108)
Data Source
AI summary
A draping device for draping a two-dimensional textile semi-finished product includes a first rotationally symmetrical body having a first axis of rotation and a peripheral surface which varies along the axis of rotation. A first drive is configured to rotate the first body about the first axis of rotation so as to deform, via the first body, the semi-finished product.