Reference-Line Shape Alignment for Precise Deformation Processing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current deformation processing methods for large works require labor-intensive and time-consuming manual checks using wooden molds or 3-D measuring machines, with low precision when curvature differences are significant or no resembling points are available, making it difficult to accurately calculate necessary deformation amounts for achieving target shapes.
Innovation Solution
A deformation processing support system that acquires target and intermediate shape data using reference lines, aligns and overlaps these data sets to calculate necessary deformation amounts by setting starting points, calculating alignment axes, and rotating intermediate shape data relative to target shape data, allowing for precise calculation of deformation requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If wooden molds are used to check the necessary deformation amount by lapping on the work, then the deformation amount can be visually observed at surface edge portions, but much labor and time are necessary and gaps at surface central portions remain unobservable
Solution Approach 1:
The patent uses a wooden mold that is a copy of the target shape to check the deformation amount. The mold is divided into multiple pieces that can be lapped on different portions of the work, allowing visual observation of gaps between the mold and work surface to determine necessary deformation amounts.
Solution Approach 2:
The wooden mold is divided into plural pieces corresponding to different portions of the work. This segmentation allows the mold to be applied to large works and enables observation of gaps at various locations, though gaps at surface central portions remain difficult to observe.
2Measurement precision
If the shape of the work is complicated and large, then the number of wooden molds becomes great, but much labor and time are necessary
Solution Approach 1:
The wooden mold is divided into multiple pieces that can be separately manufactured and applied to different portions of the work. This reduces the complexity of creating a single large mold and allows systematic coverage of complicated work surfaces.
Solution Approach 2:
The divided wooden mold pieces can be used in combination to check deformation amounts at multiple portions of the work, providing a universal solution for various work shapes and sizes.
3Measurement precision
If the curvature significantly differs between intermediate shape data and target shape data, then the precision is degraded for overlapping by best fit, but calculation of necessary deformation amount becomes unreliable
Solution Approach 1:
The patent introduces reference lines as an intermediary element to establish correspondence between intermediate shape data and target shape data. These reference lines serve as mediators that enable accurate alignment and overlapping even when curvature differences are significant, thereby maintaining both precision and reliability in deformation amount calculation.
Data Source
AI summary
A deformation processing support system acquires target shape data of a work having a reference line; acquires intermediate shape data from the work in an intermediate shape having a reference line marked thereon; and overlaps the two data on each other by aligning the reference lines relative to each other, to calculate a necessary deformation amount of the work based on a difference between the two data overlapped on each other. To align the reference lines with each other, first and second alignment axes with the same length calculated for the respective reference lines are superimposed on each other. Subsequently, the intermediate shape data is relatively rotated with respect to the target shape data around the first alignment axis.