Stamping Graphic Patterns on Metallic Bodies with Surface Removal
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Solution Overview
Problem
Existing methods for creating graphic patterns on metallic bodies, such as valves and ring nuts, face challenges in legibility due to complex form difficulties and deterioration over time, with spark erosion being laborious and costly, and lack effective contrast with the surrounding surface.
Innovation Solution
A method involving stamping a graphic pattern on a metallic body followed by a mechanical surface removal process using machines like milling or lathes to create visual contrast, potentially combined with surface finishing techniques like sand-blasting, to enhance legibility and identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If spark erosion is used to create graphic patterns, then the patterns can be produced on metallic bodies, but the process becomes particularly laborious and costly with increased manufacturing times
Solution Approach 1:
The patent replaces the electrical discharge process (spark erosion) with a mechanical stamping process using a pressing tool. The stamping operation mechanically impresses the graphic pattern directly onto the metallic body during or after the pressing operation, eliminating the need for subsequent spark erosion processing while achieving the same functional result of creating legible graphic markings.
Solution Approach 2:
The graphic pattern is stamped onto the metallic body during or immediately after the pressing operation, before any surface finishing operations. This preliminary stamping ensures the pattern is created at the optimal time in the manufacturing sequence, avoiding additional post-processing steps and reducing overall manufacturing time and cost.
2Device complexity
If graphic patterns are stamped on metallic bodies during pressing, then the process is integrated, but the patterns are not easily legible and difficult to distinguish from the surrounding surface
Solution Approach 1:
The patent applies selective surface removal only to specific areas surrounding the graphic pattern, not the entire surface. This localized material removal creates a contrast effect that highlights the stamped pattern by removing material down to the pattern depth, making the pattern more visible and legible while maintaining the integrated process advantage.
Solution Approach 2:
The surface removal operation creates optical contrast between the pattern area and surrounding surface. By removing material selectively around the pattern, the patent creates visual differentiation through surface level changes, similar to color contrast, which enhances legibility without requiring additional coating or coloring operations.
3Difficulty of detecting and measuring
If surface removal is performed near stamped graphic patterns, then visual contrast and legibility are significantly improved, but additional manufacturing steps are required
Solution Approach 1:
The patent combines the stamping operation and surface removal operation into an integrated process sequence. The stamping creates the graphic pattern, and the subsequent surface removal immediately follows to enhance visibility. By merging these operations in a coordinated manner, the patent minimizes the number of separate manufacturing steps while achieving improved legibility.
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
The method significantly improves the legibility and traceability of graphic patterns by creating a noticeable visual contrast between the pattern and the surrounding surface, facilitating easier reading and identification, while also simplifying the process and reducing manufacturing time.
Implementation Method 1
one of the dies of the tool bears in relief the characters or the logo or other to be stamped on the final mechanical component
Implementation Method 2
surface removal of the metallic material near or adjacent to said at least one graphic pattern... via the use of appropriate machines such as, for example, milling machines or lathes or other machines able to perform similar mechanical operations preferably involving chip removal
Data Source
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AI summary
Method for stamping graphic patterns on a metallic body, comprising a step of stamping of at least one graphic pattern on at least one portion of the outer surface of the above-mentioned metallic body and at least one step of surface removal of material near or adjacent to said at least one graphic pattern stamped on said at least one portion of the outer surface of said metallic body.