Watch Dial Laser Grooving for Gradient Lightness and Color
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for decorating watch components using laser irradiation only achieve monotonous contrast, limiting the design complexity and aesthetic appeal of watch components.
Innovation Solution
A method involving the formation of grooves on a metal base material using laser light, where the depth of the grooves is controlled by varying the number of irradiation times, creating areas with both shallow and deep depths, resulting in a rich representation of lightness and color through varying reflectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If laser light is applied to form patterns on metal surface, then contrast between irradiated and non-irradiated areas is achieved, but only monotonous contrast representation can be achieved
Solution Approach 1:
The patent applies local quality by varying the groove depth at different locations on the metal surface. By controlling the number of laser irradiation times, the groove depth is made non-uniform across the surface, creating areas with different light reflectivity. This local variation in groove depth enables rich contrast representation and enhances design versatility, resolving the contradiction between achieving contrast and enabling design enhancement.
2Illumination intensity
If multiple irradiation times are applied to create deep grooves, then rich lightness representation is achieved, but processing time increases
Solution Approach 1:
The patent applies partial action by irradiating different areas with different numbers of times. Not all areas require the maximum number of irradiation times to achieve the desired visual effect. By applying the laser selectively - more times in areas needing deeper grooves for dark representation and fewer times in areas where shallower grooves suffice for light representation - the processing time is reduced while still achieving rich lightness representation.
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
This approach enhances the design of watch components by creating a gradient of lightness and color, allowing for more intricate and visually appealing patterns while reducing processing time and effort.
Implementation Method 1
forming a groove by advancing, in a predetermined scanning direction, a place where laser light is applied in the watch component
Implementation Method 2
a depth of the groove is controlled by the number of irradiation times that the laser light is applied
Implementation Method 3
the number of irradiation times in an area where a depth of the groove is deep is greater than the number of irradiation times in an area where a depth of the groove is shallow
Data Source
AI summary
A method for decorating a dial includes deeply digging and forming a first groove by repeatedly scanning, in a predetermined scanning direction, a place where laser light is applied to a base material. In the scanning, a depth of the first groove is controlled by the number of irradiation times that the laser light is applied. An area where a depth of the first groove is shallow and an area where a depth of the first groove is deep are present according to the number of irradiation times.