Compensating for dimensional variations in 3D printed ceramics improves accuracy by over 50%
Systematic geometric deviations in 3D printed ceramic parts can be effectively compensated for by pre-calculating and modifying manufacturing code, leading to significantly improved dimensional accuracy.
Procedia Manufacturing · 2019
Key Findings
- 01Systematic geometric deviations were identified in both green and sintered 3D printed ceramic parts.
- 02A parametric compensation methodology, applied through modified G-code, significantly improved the dimensional accuracy of the printed parts.
- 03The proposed procedure is transferable to other rapid prototyping machines and scalable.
Application
Design takeaway
Incorporate a pre-emptive compensation step in the design workflow for 3D printed ceramic parts by analyzing expected process-induced dimensional changes and modifying the manufacturing instructions accordingly.
How to apply
Before finalizing the manufacturing instructions for a 3D printed ceramic part, conduct test prints to identify systematic dimensional deviations. Use these findings to adjust the digital model or the machine's toolpath instructions (e.g., G-code) to counteract these deviations.
Project actions
- 01When designing for 3D printed ceramics, consider the shrinkage that occurs during sintering.
- 02Investigate methods to pre-compensate for these dimensional changes in your design files or print settings.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Provides a systematic and quantifiable approach to compensation.
- +Demonstrates practical application and validation of the methodology.
- +Highlights the transferability and scalability of the proposed procedure.
Limitations
The specific compensation factors may be unique to the materials, printer, and sintering process used. Generalizing these exact values to different scenarios might not be accurate without further testing.
Reliability & validity
Reliability is supported by repeated measurements and multiple samples. Validity is strong for the specific process and materials studied, but generalizability to other contexts would require further validation.
Think critically
To what extent can this compensation methodology be generalized across different ceramic materials, binder systems, and additive manufacturing technologies (e.g., SLA, SLS) without significant re-calibration?
Design Principles
"Predict and compensate for material and process-induced dimensional changes to achieve higher manufacturing accuracy."
Achieving tight dimensional tolerances is crucial for the functionality and reliability of ceramic components, especially in demanding applications. This research offers a practical method to enhance the precision of additive manufacturing processes for ceramics, reducing post-processing needs and material waste.
What This Means for Your Design
When you 3D print with ceramics, they shrink or change shape a bit as they dry and get fired. This study shows you can figure out exactly how much they change and tell the printer to adjust its path beforehand, making the final part much closer to the original design.
How to use in your project
- 1.Reference this study when discussing the challenges of manufacturing accuracy in your design project, particularly for materials that undergo significant changes during processing.
- 2.Use the findings to justify your approach to design for manufacturing, especially if you are aiming for high precision.
Add to My Project
Quick Cite
(2019). Determination of process induced dimensional variations of ceramic parts, 3d printed by extrusion of a powder-binder feedstock. Procedia Manufacturing. https://doi.org/10.1016/j.promfg.2019.06.220 Retrieved from https://designdex.org/study/7189f8c2-701c-4ab8-a606-8e35ad055cdf/compensating-for-dimensional-variations-in-3d-printed-ceramics-improves-accuracy-by-over-50
Paragraph starter
The manufacturing of ceramic components via additive processes often involves significant dimensional variations due to material shrinkage during drying and sintering. Research by Strano et al. (2019) demonstrates that these systematic deviations can be effectively compensated for by analyzing the changes in green and sintered parts and pre-emptively modifying the manufacturing code (G-code). This parametric approach leads to a substantial improvement in dimensional accuracy, reducing post-processing requirements and enhancing the reliability of the final ceramic product.
Source
Procedia Manufacturing
Determination of process induced dimensional variations of ceramic parts, 3d printed by extrusion of a powder-binder feedstock
journal · 2019
View sourceQuestions about this research
- What does the research say about compensating for dimensional variations in 3d printed ceramics improves accuracy by over 50%?
- Incorporate a pre-emptive compensation step in the design workflow for 3D printed ceramic parts by analyzing expected process-induced dimensional changes and modifying the manufacturing instructions accordingly. Evidence: Procedia Manufacturing (2019).
- Why does "Compensating for dimensional variations in 3D printed ceramics improves accuracy by over 50%" matter for design?
- Achieving tight dimensional tolerances is crucial for the functionality and reliability of ceramic components, especially in demanding applications. This research offers a practical method to enhance the precision of additive manufacturing processes for ceramics, reducing post-processing needs and material waste.
- How can designers apply this research?
- Incorporate a pre-emptive compensation step in the design workflow for 3D printed ceramic parts by analyzing expected process-induced dimensional changes and modifying the manufacturing instructions accordingly.
- What were the main findings?
- Systematic geometric deviations were identified in both green and sintered 3D printed ceramic parts.. A parametric compensation methodology, applied through modified G-code, significantly improved the dimensional accuracy of the printed parts.. The proposed procedure is transferable to other rapid prototyping machines and scalable.
- What research method was used?
- Experimental validation with Multiple samples (specific number not detailed).
- How strong is the evidence?
- Evidence strength is rated Strong effect, based on a 2019 journal from Procedia Manufacturing.
- What should I do differently in my next project?
- Before finalizing the manufacturing instructions for a 3D printed ceramic part, conduct test prints to identify systematic dimensional deviations. Use these findings to adjust the digital model or the machine's toolpath instructions (e.g., G-code) to counteract these deviations.
- What are the limitations?
- The study focused on specific ceramic feedstocks and an extrusion-based process; transferability to other materials or additive manufacturing techniques may require re-validation. The exact magnitude of improvement may vary with different machine setups and material properties.
- Is there evidence that dimensional variations affects design outcomes?
- By analyzing and correcting for predictable shape changes that occur during the printing and sintering of ceramics, designers can achieve much more accurate final parts. Achieving tight dimensional tolerances is crucial for the functionality and reliability of ceramic components, especially in demanding applications. T Source: Procedia Manufacturing (2019).
- Where does this ceramic parts research apply?
- Additive manufacturing of ceramic components It sits within commercial production research on designdex.org.
Related research topics
dimensional variations design research · evidence on dimensional variations · does dimensional variations improve design outcomes · ceramic parts studies for designers · dimensional variations and ceramic parts findings · commercial production research evidence