Optical Guidance for Fiber Composite Manufacturing
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Solution Overview
Problem
Existing methods for producing fiber composite components are limited in scalability, requiring complex and costly guide devices to maintain accuracy, which restricts the size of components that can be manufactured economically.
Innovation Solution
A system comprising independent material application units with a control unit that specifies individual paths for each unit to follow on a mold, allowing for the production of larger components without the need for complex guide devices, using a combination of optical projection and propulsion devices for precise fiber placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If robust guide devices are used to maintain accuracy over large travel distances, then manufacturing precision is maintained, but device complexity and mechanical effort increase significantly
Solution Approach 1:
The patent replaces complex mechanical guide devices with an optical guidance system. Material application units are guided along predetermined paths using optical projections (e.g., laser lines) projected onto the mold surface, eliminating the need for extensive mechanical guide structures. This substitution maintains positioning accuracy while dramatically reducing mechanical complexity and effort.
Solution Approach 2:
The patent uses optical projections to create a visual copy of the predetermined path on the mold surface. The projected optical lines serve as a guide template that material application units follow, replacing the need for physical mechanical guides. This copying approach maintains precision without the mechanical complexity of traditional guide devices.
2Adaptability or versatility
If component size is increased, then productivity and versatility improve, but mechanical effort and complexity of guide devices increase
Solution Approach 1:
The patent employs dynamically movable material application units that can autonomously navigate along predetermined optical paths on the mold. These units are equipped with propulsion devices and optical detection systems that enable them to adapt their movement to the mold's surface geometry and size, allowing scalable production of components of various sizes without requiring proportionally larger mechanical guide structures.
Solution Approach 2:
The patent replaces extensive mechanical guide devices with an optical guidance field that can be projected onto molds of any size. This allows the system to scale to larger component dimensions without proportionally increasing mechanical complexity, as the optical paths can be easily reconfigured for different mold sizes and geometries.
3Adaptability or versatility
If mechanically independent depositing units are used, then adaptability and scalability improve, but coordination complexity and control difficulty increase
Solution Approach 1:
The patent implements feedback control mechanisms in the material application units, where optical detection devices continuously monitor the units' positions relative to the projected optical paths. This real-time feedback enables autonomous path following and self-correction, simplifying the coordination of multiple independent units as they automatically maintain their respective trajectories without requiring complex external synchronization systems.
Solution Approach 2:
Each material application unit is equipped with its own propulsion device, optical detection system, and control capabilities, enabling it to autonomously navigate and follow its predetermined path. This self-service capability reduces the overall control complexity, as each unit independently manages its own positioning and material application without requiring constant external coordination.
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 the scalable production of larger fiber composite components with consistent precision, reducing mechanical complexity and maintaining accuracy across larger sizes without the need for extensive guide devices, allowing for efficient and flexible component manufacturing.
Implementation Method 1
The control unit (6) comprises an optical projection unit (10), wherein the projection unit is configured to project predetermined paths (22) onto the forming tool (4)
Data Source
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AI summary
A system (2) for manufacturing a component from a fiber composite material comprises a mold (4), a control unit (6), and a plurality of independent material application units (18). These material application units include a material reservoir for supplying fibers, a material dispensing device for releasing fibers from the material reservoir, and a propulsion device. The propulsion device is configured to follow a predetermined path (22) on the mold (4) and, as required, to release fibers. The control unit (6) controls the material application units (18) by specifying several individual paths (22), causing them to move automatically along these paths. Control can be achieved, in particular, by optical projection onto the mold.