Watch Component Keying for Precise Decorative Element Assembly
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Solution Overview
Problem
Manufacturing a watch component, particularly a dial, that meets mechanical, dimensional, and aesthetic constraints while ensuring robust and reliable assembly of added elements is challenging due to the small size and complex design requirements.
Innovation Solution
A method involving the use of male and female keying devices on a support and added element to guide positioning and orientation, with optional sacrificial keying pins, allowing for precise assembly and decoration of decorative elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If added elements are used to enhance aesthetic appearance, then aesthetic quality is improved, but assembly complexity and reliability are worsened
Solution Approach 1:
The invention divides the watch component into a support structure and separate added elements (indicators, decorative elements). Each element is independently manufactured and then assembled using keying devices, allowing aesthetic customization while maintaining reliable assembly through precise mechanical interlocking.
Solution Approach 2:
The invention introduces male and female keying devices as intermediary elements between the support and added elements. These keying devices serve as mediators that guide positioning and ensure reliable mechanical connection, resolving the contradiction between aesthetic flexibility and assembly reliability.
2Adaptability or versatility
If multiple added elements are assembled on the support, then functional and aesthetic features are improved, but manufacturing complexity increases
Solution Approach 1:
The invention segments the manufacturing process into independent steps: preparing the support with keying devices, separately manufacturing added elements with corresponding keying features, and then assembling them. This segmentation allows each component to be optimized independently, reducing overall manufacturing complexity despite multiple elements.
Solution Approach 2:
The invention performs preliminary actions by pre-forming the keying devices on the support and pre-preparing the added elements with their corresponding keying features before final assembly. This preliminary preparation simplifies the actual assembly process and reduces manufacturing complexity.
3Manufacturing precision
If precise positioning and orientation are achieved through keying devices, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The invention employs asymmetric male and female keying devices with specific geometric shapes that provide precise positioning and orientation guidance. The asymmetric design ensures correct alignment of added elements while the simple geometric forms keep the keying devices themselves relatively simple in construction.
Data Source
Figure 1a~2b
Figure 3a~4b
Figure 5a~6b
AI summary
Method for manufacturing a watch component (10), characterized in that it comprises the following steps: - Providing (E1) a support (1); - Forming (E2) at least one male polarizer (2) in relief on the support (1) at the level of at least one housing (3) intended to receive an added element; - Preparing (E3) at least one added element (11), by forming at least one female polarizer (12) on the added element (11), said at least one female polarizer (12) corresponding to said at least one male polarizer (2); - Assembling (E4) the at least one added element (11) on the at least one housing (3) of the support (1), so that the at least one female polarizer (12) of the at least one added element cooperates with the at least one male polarizer (3) of the support to guide the positioning and possibly the orientation of the at least one added element.