Embossed Sheet Material Alignment Marking in Cold Forming
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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 monitor and ensure proper registration and alignment.
Innovation Solution
Incorporating a pattern and/or indicia into the sheet material during the forming process, such as through embossing or cold working, to serve as a visual and/or machine-readable indicator of tool alignment, allowing for simplified monitoring and tracking of tool alignment and product provenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If tool alignment monitoring is implemented through regular inspection of formed sheet material, then alignment quality can be maintained, but the process complexity and time consumption increase
Solution Approach 1:
Alignment indicators are incorporated into the forming tools themselves before the forming process begins. These indicators directly transfer alignment information onto the sheet material during forming, eliminating the need for separate inspection processes and reducing monitoring complexity while maintaining precision
2Manufacturing precision
If aligned tools are used to form sheet material, then product quality is improved, but it becomes difficult to detect and measure minor misalignment
Solution Approach 1:
The alignment indicators create visible patterns or markings on the sheet material that change appearance based on tool alignment status. When tools are misaligned, the transferred pattern shows distortion or discontinuity, making even minor misalignment easily detectable through visual inspection of the formed product
Solution Approach 2:
The forming tools copy their alignment status directly onto the sheet material through the formed pattern itself. The resulting product carries embedded alignment information that can be read and interpreted, transforming the abstract concept of tool alignment into concrete, measurable features on the finished material
3Adaptability or versatility
If multiple forming operations are performed on sheet material, then product functionality is enhanced, but maintaining consistent alignment across all operations becomes more difficult
Solution Approach 1:
The alignment indicator system serves multiple functions: it monitors alignment for each individual forming operation, tracks alignment consistency across multiple operations, and provides a universal method applicable to different tool types and forming processes. This multi-functional approach maintains precision while enabling versatile product development
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
Enables effective and simple monitoring of tool alignment, ensuring traceability and product identification, while reducing complexity and cost by integrating alignment indicators directly into the forming process.
Implementation Method 1
cold working a first portion of the sheet material
Implementation Method 2
As the material passes between the rollers, it is strengthened by a process known as strain hardening
Data Source
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AI summary
A channel section comprising a formed sheet metal material (100) comprising a pattern of projections (101) formed on or in a first portion or region thereof and indicia (103) formed on or in a second portion or region thereof at an interruption (102) in the pattern of projections (101), wherein the pattern comprises projections on both major surfaces of the formed sheet material and wherein at least a portion of the indicia (103) provides a visual and/or machine readable indication of the alignment of tools used to form the sheet material (100).