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Optimizing Injection Molding Tool Design with Additive Manufacturing: A Focus on Thermal Performance and Process
Deviprasad Chalicheemalapalli Jayasankar1, Thomas Tröster1, Thorsten Marten1
1Institute for Lightweight Design with Hybrid Systems (ILH), Automotive Lightweight Design (LiA), Paderborn University, Warburger Str. 100, 33098 Paderborn, Germany.
Materials (Basel, Switzerland)
|February 13, 2025
Summary
Additive manufacturing (AM) optimizes injection molding tools with integrated cooling and lattice structures. This approach enhances thermal performance, reduces cycle times, and minimizes waste for efficient industrial production.
Area of Science:
- Manufacturing Engineering
- Materials Science
- Additive Manufacturing
Background:
- Traditional injection molding tools face limitations in thermal management, design flexibility, and material efficiency.
- Existing tooling methods can hinder mass production of complex components with high precision.
- Overcoming these challenges is crucial for advancing modern manufacturing capabilities.
Purpose of the Study:
- To investigate the application of additive manufacturing (AM) for developing and optimizing injection molding tools.
- To address limitations of conventional tooling, focusing on thermal management, design, and material efficiency.
- To demonstrate the potential of AM in creating advanced tooling solutions for industrial use.
Main Methods:
- Fabrication of a novel injection molding tool prototype using additive manufacturing techniques.
- Integration of advanced features such as internal cooling channels and optimized lattice structures.
- Experimental validation of the AM-fabricated tool within a vacuum-assisted resin transfer molding (VA-LRTM) system.
Main Results:
- The AM prototype demonstrated effective integration without requiring modifications to existing VA-LRTM setups.
- Significant improvements observed in temperature regulation and reduced cycle times compared to conventional methods.
- Molded components exhibited consistent mechanical properties, with reduced material waste and post-processing needs.
Conclusions:
- Additive manufacturing offers a transformative approach to injection molding tool design.
- AM enables enhanced functionality, increased flexibility, and improved cost efficiency in tooling.
- This technology meets the evolving demands of modern industrial applications through optimized performance and sustainability.
