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A Novel Compliant Connection Mechanism with Thermal Distortion Self-Elimination Function
Yunyang Huang1, Zhanchen Liao1, Zhihang Lin1
1State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, Guangdong University of Technology, Guangzhou 510006, China.
Micromachines
|June 27, 2024
Summary
This study presents a novel compliant connection mechanism for OLED inkjet printing platforms. The mechanism self-eliminates thermal distortion, significantly improving printing precision and overall quality.
Area of Science:
- Manufacturing Engineering
- Materials Science
- Robotics
Background:
- OLED inkjet printing requires high positioning accuracy.
- Thermal deformation in connection mechanisms compromises OLED printing precision.
- Existing solutions struggle to mitigate thermal distortion effectively.
Purpose of the Study:
- To introduce a compliant connection mechanism for OLED inkjet printing platforms.
- To design a mechanism capable of self-eliminating thermal distortion.
- To enhance the positioning accuracy and print quality of OLED fabrication.
Main Methods:
- Mechanism design based on the Freedom and Constraint Topology (FACT) principle.
- Utilizing three series-arranged compliant sections for three degrees of freedom.
- Evaluating resistance to deformation via vertical and horizontal stiffness analysis.
- Finite Element Analysis (FEA) for validating thermal distortion and gravity resistance.
Main Results:
- The compliant connection mechanism effectively reduces platform deformation.
- Maximum platform deformation decreased by approximately 46%.
- Average platform deformation reduced by approximately 59%.
Conclusions:
- The developed mechanism successfully mitigates thermal distortion in inkjet printing platforms.
- The design demonstrates significant potential for high-precision positioning applications.
- This innovation can enhance the quality and reliability of large-screen OLED device fabrication.
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