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Comparison between Tests and Simulations Regarding Bending Resistance of 3D Printed PLA Structures
Dorin-Ioan Catana1, Mihai-Alin Pop2, Denisa-Iulia Brus3
1Department of Materials Engineering and Welding, Transilvania University of Brasov, 500036 Brasov, Romania.
Polymers
|December 28, 2021
Summary
This study optimized 3D printed structures using simulation to reduce material use and improve bending resistance. Accurate mechanical property data is crucial for reliable simulation results in additive manufacturing.
Area of Science:
- Materials Science
- Mechanical Engineering
- Manufacturing Technology
Background:
- Additive manufacturing (AM), or 3D printing, is rapidly advancing, enabling new applications in parts production.
- Optimizing 3D printed components requires understanding material behavior and simulation accuracy.
- PLA and PLA-Glass are common materials in 3D printing, but their mechanical properties can vary.
Purpose of the Study:
- To optimize the geometry of 3D printed structures made from PLA and PLA-Glass under bending stress.
- To reduce material consumption while enhancing bending resistance through simulation-driven design.
- To investigate the impact of material properties on the accuracy of simulation processes in additive manufacturing.
Main Methods:
- Utilized simulation processes to analyze and optimize the geometry of 3D printed structures.
- Performed bending stress tests on structures printed with PLA and PLA-Glass.
- Investigated the relationship between printing process parameters, material properties, and simulation outcomes.
Main Results:
- Achieved optimization of 3D printed structure geometry, leading to reduced filament consumption.
- Demonstrated an increase in bending resistance of the optimized structures.
- Highlighted the critical need for known mechanical properties of 3D printed materials for accurate simulations.
Conclusions:
- Simulation is a valuable tool for optimizing 3D printed parts, but requires accurate material data.
- Inconsistencies in 3D printing parameters lead to non-homogeneous structures, impacting simulation-validation.
- Specific material property testing is essential for each unique set of 3D printing parameters and equipment to ensure reliable simulation results.
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