Laser Projection for Concrete Casting Bed Alignment
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Solution Overview
Problem
Existing concrete casting systems lack precise location tracking, making it difficult to accurately place features and cut concrete panels to specific dimensions, as they rely on detailed drawings and manual interpretation, which can be error-prone and inefficient.
Innovation Solution
An automated system using laser projectors and a positioning system that projects CAD drawings onto the casting bed, ensuring precise alignment and location tracking, allowing for accurate placement of features and cuts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If detailed CAD drawings are provided to workers, then manufacturing precision is improved, but ease of operation deteriorates due to the complexity of interpreting and following multiple prints
Solution Approach 1:
The patent projects a visual copy of the CAD drawing directly onto the casting bed surface using a laser projector. This allows workers to see the exact feature locations, cut points, and insulation requirements directly on the work surface without needing to interpret separate CAD prints, thereby maintaining manufacturing precision while dramatically improving ease of operation
Solution Approach 2:
The patent replaces the mechanical system of distributing and interpreting physical CAD prints with an optical projection system. The laser projector dynamically displays the drawing information directly on the casting bed, eliminating the need for workers to manually reference and interpret multiple printed sheets, thus simplifying operation while preserving precision
2Measurement precision
If the casting bed length varies due to temperature and stress changes, then reliability deteriorates, but measurement precision must be maintained for accurate feature placement
Solution Approach 1:
The patent incorporates a feedback mechanism where the actual position of the laser projection is continuously monitored and adjusted based on the measured bed length. The system receives feedback about bed expansion or contraction and dynamically recalibrates the projection positions to maintain accurate feature placement despite dimensional changes in the casting bed
Solution Approach 2:
The patent compensates for bed length variations by dynamically adjusting the projection parameters of the laser system. When the bed expands or contracts due to temperature or stress, the system changes the projection scale and position parameters to ensure that features are always projected at the correct locations relative to the actual bed dimensions
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 precise and efficient placement of features and cuts in concrete panels by projecting CAD drawings directly onto the casting bed, enhancing accuracy and reducing manual errors, thus improving the overall casting process.
Implementation Method 1
The automated system utilizes laser projectors such as those available from LAP GmbH Laser Applikationen of Lueneburg, Germany
Data Source
AI summary
A system for automating the casting of concrete panels in which a bed position indicator is fed to a program which compares the bed position to CAD drawings concerning the concrete to be cast and sends the drawing detail for the position of the bed which is then shown on the bed by a laser.