Amorphous Plastic Identification Mats for Reliable Component Printing
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Solution Overview
Problem
Identification units made from partially crystalline plastics, such as polyamide, are not suitable for all printing processes, particularly thermal transfer and inkjet printing, as the ink can easily detach from the inscribed area due to material properties.
Innovation Solution
Using amorphous plastics, such as polycarbonate or amorphous/partially crystalline blends, for the production of identification mats, which allows for improved printability across various commercial printing processes without ink detachment, along with features like beveled guide means and injection-molding techniques for enhanced demolding and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If partially crystalline plastic (e.g., polyamide) is used for identification units, then manufacturing is simplified and structural strength is adequate, but printability deteriorates and ink detachment occurs during thermal transfer and inkjet printing
Solution Approach 1:
The patent changes the material parameter from partially crystalline plastic to amorphous plastic. This fundamental material parameter change resolves the contradiction by providing a substrate that is compatible with all conventional printing processes including thermal transfer and inkjet printing, while maintaining adequate manufacturing simplicity and structural properties.
Solution Approach 2:
The patent employs composite material solutions by using amorphous plastic blends or composites that combine the dimensional stability and printability benefits of amorphous materials with the structural strength requirements. Specific examples include amorphous/partially crystalline blends and polycarbonate-based composites that achieve both good printability and mechanical strength.
2Adaptability or versatility
If amorphous plastic is used for identification units, then printability and inscription capability are improved across all printing processes, but manufacturing complexity increases and production cost rises
Solution Approach 1:
The patent utilizes parameter changes by selecting specific amorphous plastic types (polycarbonate, ABS, PMMA, PS, PEI, PES, PSU, PPO, SAN) and their blends that balance printability with manufacturability. These material parameter selections optimize both inscription capability and production feasibility, reducing the complexity penalty associated with amorphous plastic usage.
Solution Approach 2:
The patent applies local quality principles by providing guide means with specific geometric features (beveled configuration) at critical locations where the identification mat interacts with the printer. This localized geometric optimization facilitates easy demolding and precise guidance during printing without requiring complex manufacturing processes for the entire identification unit.
3Ease of operation
If guide means with beveled webs are incorporated, then demolding ease and guidance precision are improved, but manufacturing steps increase and production time extends
Solution Approach 1:
The patent applies preliminary action by incorporating guide means with beveled webs directly into the injection mold design. This preliminary integration of demolding features into the manufacturing process itself eliminates the need for separate demolding operations or post-processing steps, thereby improving ease of demolding without significantly impacting production speed.
Solution Approach 2:
The patent merges multiple functions into the guide means structure: guidance function, demolding facilitation function, and structural support function. By combining these functions into a single integrated component with beveled webs, the patent achieves improved ease of operation without proportionally increasing manufacturing complexity or production time.
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 use of amorphous plastics in identification mats enhances printability, dimensional stability, and reduces water absorption, making them suitable for all conventional printing processes and improving overall functionality compared to conventional units.
Implementation Method 1
low water absorption
Data Source
AI summary
An identification mat for identifying electrical components having a plurality of identification units, wherein an identification unit has a crossbar and a plurality of identification plates integrally moulded on the crossbar. The identification units are connected to one another by means of a frame, wherein the frame is provided with a guidance device for guiding the identification mat in a printer. The identification mat allows identification units to be provided which can be labelled or printed essentially using all commercially available printing methods, particularly using a thermal transfer printing method and/or an inkjet printing method. The identification mat is produced from an amorphous plastic.