Towards Enhancing the Potential of Injection Molding Tools through Optimized Close-Contour Cooling and Additive...

Area of Science:

• Manufacturing Engineering
• Materials Science

Background:

• Conformal cooling is crucial for efficient injection molding.
• Traditional cooling systems face limitations in optimizing heat transfer and temperature distribution.
• Parameter optimization of cooling channels is key to enhancing mold performance.

Purpose of the Study:

• To parametrically optimize the position and form of conformal cooling channels in injection molding.
• To reduce cooling time and achieve homogeneous temperature distribution on the mold surface.
• To demonstrate the advantages of optimized conformal cooling over conventional methods.

Main Methods:

• Literature survey to inform optimization routine development.
• Implementation of an optimization routine using Moldflow software.
• Simulation of optimized close-contour cooling and conventional cooling systems for comparison.

Main Results:

• The optimized conformal cooling design demonstrated significant advantages compared to classical manufacturing.
• Reduced cooling time was achieved with the new design.
• Improved homogeneous temperature distribution was observed over the tool surface.

Conclusions:

• Optimized conformal cooling, particularly close-contour designs, offers substantial benefits for injection molding.
• These benefits are not achievable with classical manufacturing techniques.
• Additive manufacturing serves as a viable proof of concept for producing these advanced cooling systems.