Robotic Arm Nanoindentation for Material Validation and Serialization
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Solution Overview
Problem
Additive manufacturing faces challenges in material validation, joining, and post-processing due to variable 3D print settings and complex geometries, requiring flexible and efficient methods for material characterization and serialization.
Innovation Solution
A method using a robotic arm-mounted nanoindenter for nanoindentation to form encoded indents on surfaces for material validation, serialization, and enhanced joining, allowing for omnidirectional indentation and forensic identification with high-resolution imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional static setup is used for material validation, then manufacturing process is simple, but it cannot accommodate parts of various shapes and sizes
Solution Approach 1:
The patent employs a robotic arm with multiple degrees of freedom that can dynamically position and orient the indenter to adapt to various part geometries. The system includes programmable control that allows the robotic arm to adjust its position, orientation, and indentation parameters based on the specific part being tested, enabling accommodation of diverse shapes and sizes without changing the physical setup.
Solution Approach 2:
The robotic arm system serves multiple functions: material validation through nanoindentation, serialization through encoded indent patterns, and forensic identification. This multi-functional approach eliminates the need for separate static setups for different operations, allowing one adaptable system to handle various part types and operations.
2Measurement precision
If multiple indents are formed for material validation, then validation accuracy is improved, but time consumption increases
Solution Approach 1:
The robotic arm performs nanoindentation tests continuously by automatically moving between multiple test locations without manual intervention. The system maintains continuous operation by programmatically sequencing multiple indents across different positions, ensuring uninterrupted measurement flow that maximizes precision while minimizing idle time between measurements.
Solution Approach 2:
The system pre-programmes the sequence of indentation locations and parameters before testing begins. This preliminary setup allows the robotic arm to execute multiple indents in an optimized sequence, reducing decision-making time during the actual testing process and enabling faster completion of comprehensive material validation.
3Loss of information
If encoded indent patterns are created for serialization, then item identification capability is enhanced, but manufacturing complexity increases
Solution Approach 1:
The patent replaces complex manual mechanical positioning and marking systems with a programmable robotic arm that uses controlled nanoindentation to create encoded patterns. The serialization information is embedded through precise mechanical positioning controlled by software, substituting complex mechanical marking devices with a more controllable and programmable robotic system that achieves the same identification function with greater precision and flexibility.
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 simultaneous material validation, mass serialization, and enhanced joining while providing forensic authentication, adaptable to various part geometries and materials, with high accuracy and minimal setup changes.
Implementation Method 1
A method using a robotic arm-mounted nanoindenter for nanoindentation to form encoded indents on surfaces
Data Source
AI summary
A method for indentation of physical items may include forming, via an indenter, a plurality of first indents in a first surface of a first physical item, and validating a first material of the first physical item based at least in part on the first indents. The first indents may be disposed within a first defined region of the first surface and arranged in a first encoded pattern corresponding to a first item-specific serialization code for the first physical item.