Decorative Surface Registration Using Adaptive Overlay Templates
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Solution Overview
Problem
Existing methods for applying additional decorative layers on workpieces fail to ensure synchronization with underlying base decorations due to registration errors, leading to misalignment and visual flaws, especially when the base decoration experiences deviations in length, width, elongation, or compression during application.
Innovation Solution
A method involving capturing the base decoration, measuring its actual properties, and adapting a target additional decoration template to align with the base decoration, ensuring precise application through steps of detection, measurement, and synchronization using a data processing device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If additional decoration is applied without adapting to base decoration deviations, then application process is simple, but misalignment and visual flaws occur
Solution Approach 1:
The base decoration is captured and measured before applying the additional decoration. Registration marks are detected and deviation data is obtained in advance, allowing the additional decoration template to be pre-adapted to compensate for deviations. This preliminary measurement and adaptation action ensures that when the additional decoration is applied, it aligns precisely with the base decoration despite any deviations that occurred during base decoration application.
Solution Approach 2:
The system detects registration marks on the base decoration, obtains deviation data comparing actual position to target position, and uses this feedback to adapt the additional decoration template. The adaptation process adjusts the template based on the measured deviations, creating a closed-loop control system that ensures precise alignment between base and additional decorations.
2Manufacturing precision
If base decoration deviations are measured and template is adapted, then alignment precision is improved, but process complexity increases
Solution Approach 1:
Registration marks serve as intermediaries between the base decoration and the additional decoration template. These marks are detected by the measurement device and used to calculate deviation data. The registration marks simplify the measurement process by providing clear reference points, and they mediate the adaptation process by enabling the system to determine how to adjust the additional decoration template to achieve precise alignment.
Solution Approach 2:
The base decoration is captured to create a digital representation or copy that can be measured and analyzed. This digital copy contains the registration marks and decorative elements, allowing the system to detect deviations without physically measuring the actual base decoration. The copied data is then used to adapt the additional decoration template, simplifying the overall process by working with digital representations rather than physical measurements.
3Measurement precision
If registration marks are used for measurement, then measurement accuracy is improved, but base decoration design complexity increases
Solution Approach 1:
The base decoration is segmented to include distinct registration marks separate from the decorative elements. These registration marks are specifically designed for measurement purposes and are distributed at known positions on the base decoration. By segmenting the design into functional registration components and aesthetic decorative components, the system can accurately detect deviations using the marks without compromising the overall design quality.
Solution Approach 2:
The registration marks are designed with specific parameters (size, shape, position, contrast) that optimize them for detection by the measurement device. By changing the parameters of these marker elements to be highly detectable and measurable, the system achieves high measurement precision. The marks are made distinct from the decorative elements through parameter differentiation, allowing accurate measurement without interfering with the aesthetic design.
Data Source
Figure 1a~1b
Figure 2
Figure 3a~3b
AI summary
The invention relates to a method for producing a decorative surface on a workpiece (1), said method comprising the following steps: - step (S1): providing a workpiece (1) with a workpiece surface (1a) on which a base decoration (2) is located; - step (S2): detecting the base decoration (2) on the workpiece surface (1a) using a detection device (20); - step (S3): measuring the detected base decoration (2); - step (S4): providing a target additional decoration template (200) for an additional decoration (3), the target additional decoration template (200) being synchronous with a target base decoration (150); - step (S5): adapting the target additional decoration template (200) on the basis of the measured base decoration so as to obtain an adapted target additional decoration template (200') according to which the additional decoration can be applied at least partially synchronised with the base decoration; - step (S6): using an application device (30) to apply the additional decoration (3) to the workpiece (1) above the base decoration (2) in accordance with the adapted target additional decoration template (200'). The invention also relates to a device for carrying out the method.