Spectacle Lens Edging Matrix for Framing Location Adaptation
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Solution Overview
Problem
The existing spectacle lens manufacturing process faces challenges in ensuring precise framing, especially when the framing process is performed at different locations, leading to inconsistencies in the outer diameter of the lens, which complicates global production and reduces manufacturing efficiency due to the need for unique techniques and empirical rules for each client, resulting in increased loads and reduced international competitiveness.
Innovation Solution
A system that converts framing content and frame type into a matrix, allowing for numerical value representation of size correction values, enabling centralized control to ensure the spectacle lens has a suitable outer diameter, regardless of the framing location, by using an information memory part, edging information acquisition part, and an edger to edge the lens based on calculated edging information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If framing is performed at different locations (client side or manufacturing side) using unique techniques and empirical rules, then framing can be adapted to local conditions, but manufacturing precision and consistency of lens outer diameter deteriorate
Solution Approach 1:
The patent applies parameter changes by introducing a location-specific correction value that modifies the basic edging size parameter. When the client side performs framing, a first correction value is added to compensate for their specific framing conditions (such as frame warming practices). When the manufacturing side performs framing, a second correction value is used instead. This allows the same basic edging size to produce lenses with consistent outer diameters regardless of where framing is performed, resolving the contradiction between adaptability and precision.
2Reliability
If unique techniques and empirical rules are developed for each client side, then framing can be optimized for each location, but device complexity and management burden increase
Solution Approach 1:
The patent applies local quality by assigning different correction values to different locations (client side versus manufacturing side) without creating complex unique techniques for each client. The first correction value is specifically for client side framing conditions, while the second correction value is for manufacturing side framing. This localized approach maintains high framing success rates by accounting for location-specific practices while keeping the overall system simple and manageable through a unified correction value methodology.
3Manufacturing precision
If manual adjustment of edging size is performed for each client based on empirical rules, then framing accuracy can be improved, but productivity decreases due to increased workload
Solution Approach 1:
The patent applies self-service by enabling the edging information acquisition device to automatically select and apply the appropriate correction value based on the framing location. The system automatically determines whether to use the first correction value (for client side framing) or the second correction value (for manufacturing side framing) and adds it to the basic edging size without requiring manual intervention. This automated approach maintains high edging size accuracy while significantly improving productivity by eliminating the need for manual adjustment of edging parameters for each client.
Data Source
AI summary
A spectacle lens manufacturing system, wherein a relationship between a type of a spectacle frame and a framing content is converted to a matrix, includes: an information memory part to store the matrix including a size correction value for a scheduled edging shape of a lens as a numerical value in the matrix; an edging information acquisition part to acquire edging information calculated based on client side information for manufacturing a spectacle lens, including spectacle lens, prescription value, frame, and tracer information, and spectacle lens manufacturing side information, and the size correction value selected from the matrix corresponding to the framing content and the frame type as numerical values in the matrix; an edger to edge a lens based on the edging information acquired by the edging information acquisition part. Even if either one of the client and manufacturing sides performs the framing step, the spectacle lens can be manufactured.