Deforming Tool Surface Texturing for Embossing Distortion
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Solution Overview
Problem
In plastic deformation processes, achieving high-quality embossing surfaces is hindered by the unavoidable distortion of the substrate structure, particularly in processes like rolling, where deformation along main directions leads to geometric distortion, compromising the fidelity of the embossed pattern and conflicting with high productivity goals.
Innovation Solution
A method to produce a deforming tool with a structured embossing surface that undergoes geometric distortion to compensate for substrate deformation, allowing for high degrees of embossing without unintended distortions, using techniques like shot blast, electrical discharge, laser, or electron beam texturing to create an embossing structure that inverts the target texture, ensuring isotropic characteristics are maintained.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If plastic deformation with high degree of deformation is applied to achieve high productivity, then productivity is improved, but geometric distortion of the embossed pattern occurs compromising quality
Solution Approach 1:
The embossing structure on the deforming tool is pre-distorted in the opposite direction of the expected deformation during plastic processing. This preliminary action compensates for the geometric distortion that will occur during high-degree deformation, allowing the final embossed pattern to maintain its intended geometry even when achieving high productivity through substantial material deformation
Solution Approach 2:
The invention applies a counteracting geometric distortion to the embossing structure before the plastic deformation process. By pre-applying the inverse distortion, the system counteracts the harmful geometric distortion that would normally occur during high-degree deformation, thus maintaining pattern fidelity while enabling high productivity
2Ease of manufacture
If conventional embossing structures are used without geometric distortion compensation, then manufacturing simplicity is maintained, but the fidelity of the embossed pattern deteriorates under deformation
Solution Approach 1:
The invention modifies the geometric parameters of the embossing structure by applying a predetermined distortion transformation. This parameter change adjusts the shape, size, and orientation of embossing features to compensate for expected deformation, thereby maintaining pattern fidelity without fundamentally changing the manufacturing process or adding complex apparatus
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 enables high-quality embossing with high degrees of roughness and deformation, improving surface quality for optical, tribological, and materials science applications while maintaining increased productivity without modifying the deforming apparatus.
Implementation Method 1
various techniques are available, including the following: shot blast texturing (SBT)
Implementation Method 2
various techniques are available, including the following: electrical discharge texturing (EDT)
Implementation Method 3
various techniques are available, including the following: laser texturing (LT)
Implementation Method 4
various techniques are available, including the following: electron beam texturing (EBT)
Implementation Method 5
In plastic deforming processes, often embossing surfaces... are employed... for plastic deformation thereof (of the substrate)
Data Source
AI summary
A method of producing a deforming tool (2) having a structured embossing surface (4) which can be brought into contact with a surface of a substrate (1) for plastic deformation of the substrate, includes the steps of determining a target structure to be produced on the substrate (1); geometrically distorting the target structure, such that an embossing image structure is obtained; inverting the embossing image structure, such that the embossing structure for the embossed surface (4) is obtained; and producing the embossing surface (4) of the deforming tool (2) according to the embossing structure.