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A Soft Tooling Process Chain for Injection Molding of a 3D Component with Micro Pillars

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Multi-Objective Optimization of Injection Molding Parameters for Manufacturing Thin-Walled Composite Connector

Mingbo Tan¹, Size Peng^1,2, Yingfei Huo³

¹State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle, Hunan University, Changsha 410082, China.

Materials (Basel, Switzerland)

|August 29, 2024

Summary

This summary is machine-generated.

This study optimizes injection molding for thin-walled composite connectors used in new energy vehicles. The Taguchi method and grey relational analysis improve dimensional stability and reduce warping, enhancing component performance.

Keywords:

composites flow characteristics injection molding multi-objective optimization

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Area of Science:

Materials Science
Manufacturing Engineering
Polymer Processing

Background:

New energy vehicles require advanced connector structures.
Thin-walled connectors face dimensional challenges like shrinkage and warping during injection molding.
Optimizing injection molding is critical for connector performance.

Purpose of the Study:

To optimize the injection molding process for thin-walled composite connectors.
To address dimensional instability (shrinkage and warping) in these components.
To improve the overall performance of injection-molded composite parts.

Main Methods:

Utilized the Taguchi method for experimental design.
Integrated grey relational analysis to handle multiple quality objectives.
Fine-tuned key injection molding parameters: melt temperature, mold temperature, injection time, holding pressure/time, and cooling time.

Main Results:

Successfully enhanced the injection molding process for thin-walled composite connectors.
Achieved improved dimensional accuracy and reduced warping.
Demonstrated a comprehensive framework for optimizing multi-objective molding processes.

Conclusions:

The combined Taguchi and grey relational analysis approach is effective for optimizing complex molding processes.
This method significantly improves the quality and performance of thin-walled composite connectors.
The findings contribute to advancing manufacturing techniques for critical components in new energy vehicles.