High Throughput Tribometer with Automated Counterface Carousel
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Solution Overview
Problem
Current tribometers rely on single sample testing and require significant operator interaction, limiting throughput and resolution in wear and friction testing.
Innovation Solution
A high throughput tribometer system with a carousel and exchange tools that automatically rotate and position counterfaces for rapid, unattended testing, reducing operator interaction and increasing test efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If single sample testing is used with standardized methods, then testing precision is maintained, but productivity is limited
Solution Approach 1:
The system divides the testing process into multiple independent test stations (at least two stations) that can operate simultaneously. Each station has its own testing apparatus, allowing parallel testing of multiple samples without increasing individual test complexity, thereby improving throughput while maintaining standardized testing procedures at each station
Solution Approach 2:
The system employs exchange tools that can automatically swap counterfaces between test stations, creating a universal interface that works across multiple stations. This multi-functional exchange mechanism allows the same tooling to serve multiple testing purposes simultaneously, increasing productivity without proportionally increasing device complexity
2Productivity
If testing speed is increased to enhance throughput, then productivity improves, but measurement precision deteriorates
Solution Approach 1:
By segmenting the testing into multiple independent stations that operate in parallel, the system maintains the standardized testing speed required for precision at each station while achieving overall throughput improvement through concurrent operations rather than accelerating individual tests
Solution Approach 2:
The system creates multiple copies of the testing apparatus at different stations, each performing identical standardized tests at the required precision speed. This duplication allows simultaneous execution of multiple precision tests, improving throughput without compromising the measurement accuracy of individual tests
3Extent of automation
If automated counterface exchange is implemented, then operator interaction is reduced, but device complexity increases
Solution Approach 1:
The exchange tools are designed to automatically perform counterface exchange operations without operator intervention. The tools self-position, engage, and exchange counterfaces using automated mechanisms, reducing the need for complex control systems while achieving high-level automation of the exchange process
Solution Approach 2:
The exchange tools act as intermediary devices between the counterfaces and the testing system. These tools simplify the automation by providing a standardized interface and mechanism for exchange, reducing the complexity burden on the main control system while still achieving automated operation
Data Source
AI summary
The present invention relates, in part, to systems for characterizing force (e.g., friction, and wear). In one embodiment, a tribometer allows for wear testing of samples in a high throughput manner. A counterface is used to apply force on the surface of the sample. A carousel provides for the rapid exchange of new for old counterfaces in the tribometer test head, thereby enabling the use of a new counterface for each new wear test without the need for operator interaction.