Embossed Sheet Material Indicia for Tool Alignment Verification
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Solution Overview
Problem
Existing sheet material forming processes, particularly cold rolling, face challenges in maintaining tool alignment, which affects the quality and provenance of the formed material, making it difficult to ensure accurate registration and detect minor misalignments effectively.
Innovation Solution
Incorporating a method where tools form patterns and indicia on the sheet material, preferably through embossing, to simultaneously monitor tool alignment and provide traceability and anti-counterfeiting features, allowing for both skilled and unskilled personnel to verify alignment and track products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If regular inspection of formed sheet material is performed to ensure proper tool alignment, then manufacturing precision is improved, but loss of time increases due to frequent inspections
Solution Approach 1:
Alignment indicia are formed on the sheet material during the initial forming process, providing pre-prepared visual references that enable quick verification of tool alignment without requiring time-consuming inspections. The indicia are created as part of the normal production flow, so no additional time is spent on alignment verification.
Solution Approach 2:
The formed sheet material itself carries the alignment information through the embossed indicia, allowing the material to serve its own alignment verification function. Operators can directly read the indicia on the material without requiring separate alignment measurement tools or procedures.
2Manufacturing precision
If aligned tools are used to form sheet material, then manufacturing precision is improved, but device complexity increases due to the need for alignment monitoring systems
Solution Approach 1:
The alignment monitoring function is extracted from complex measurement systems and embedded directly into the sheet material as simple embossed indicia. This removes the need for separate alignment monitoring devices and reduces overall system complexity while maintaining alignment verification capability.
Solution Approach 2:
The indicia provide visual feedback through embossed patterns that can be easily seen and interpreted. The raised or recessed features create optical contrasts that make alignment status immediately apparent to operators without requiring complex instrumentation.
3Ease of operation
If embossing is used to form indicia on sheet material, then ease of operation is improved for alignment verification, but manufacturing precision may be compromised due to additional forming steps
Solution Approach 1:
The alignment indicia formation is merged with the existing forming operations. The same tools that form the sheet material profile also emboss the indicia, combining two functions into a single operational step. This eliminates the need for separate indicia formation steps and prevents cumulative dimensional errors.
Solution Approach 2:
The forming tools are designed to perform multiple functions: shaping the sheet material and creating alignment indicia simultaneously. This multi-functionality reduces the number of operations required and minimizes the risk of dimensional deviations that would arise from additional forming steps.
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 simplifies the monitoring of tool alignment, enhances product traceability, and reduces the complexity and cost of ensuring accurate registration, while providing a means to detect misalignment and authenticate products effectively.
Implementation Method 1
As the material passes between the rollers, it is strengthened by a process known as strain hardening
Implementation Method 2
Each projection is formed to have a substantially continuous region of peak plastic strain about its apex
Data Source
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AI summary
A metal sheet material (100) comprising a pattern of projections and depressions (101) formed on both major surfaces and on or in a first portion or region of the metal sheet material and indicia (103) formed on or in a second portion or region of the metal sheet material at an interruption (102) in the pattern of projections and depressions (101, wherein the form of the indicia (103) is usable to provide an indication of the alignment of tools used to form the pattern of projections and depressions (101).