Related Experiment Video
Updated: May 24, 2025
08:21
Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies
Published on: March 20, 2015
12.3K
Development of a Next-Generation Cooling Channel Technology with High Cooling Efficiency by Roughing Cooling Channels
Chil-Chyuan Kuo1,2,3,4, Geng-Feng Lin1, Armaan Farooqui1,5
1Department of Mechanical Engineering, Ming Chi University of Technology No. 84, Gungjuan Road, New Taipei City 24301, Taiwan.
Micromachines
|March 6, 2025
Summary
This study enhances wax injection tooling cooling efficiency by roughening channels in aluminum-filled epoxy molds. Optimized roughness significantly reduces cooling time, saving production days and improving manufacturing sustainability.
Area of Science:
- Manufacturing Engineering
- Materials Science
Background:
- Rapid wax injection tooling is crucial for efficient manufacturing.
- Enhanced heat dissipation in molds improves cycle times and product quality.
- Aluminum-filled epoxy resin molds offer potential for improved thermal performance.
Purpose of the Study:
- To develop rapid wax injection tooling with improved heat dissipation.
- To investigate the impact of cooling channel surface roughness on cooling efficiency.
- To optimize coolant discharge rate for enhanced performance.
Main Methods:
- Experimental evaluation of eleven cooling channel surface roughness variations.
- Testing with aluminum-filled epoxy resin molds.
- Determination of optimal coolant discharge rate.
- Development of empirical equations for heat dissipation time and pressure drop.
Main Results:
- A maximum roughness of 71.9 µm improved cooling efficiency by 81.48% compared to smooth channels.
- Optimal coolant discharge rate identified as 2 L/min.
- Significant reduction in wax pattern heat dissipation time, approximately 12 s per product.
- Established empirical equations with high coefficients of determination.
Conclusions:
- Cooling channel roughening technology significantly enhances heat dissipation in wax injection tooling.
- Optimized tooling design leads to substantial time savings in large-scale production.
- The developed empirical equations provide practical tools for mold and die manufacturing.
- This research offers a sustainable and efficient solution for the manufacturing industry.
