Design and optimization of conformal cooling channels for injection molding: a review

The recent developments in the additive manufacturing make easier and affordable the fabrication of conformal cooling channels (CCCs) compared with the traditional machining techniques. Conformal cooling channels (CCCs) achieve better cooling performances than the conventional (straight-drilled) cha...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology Vol. 106; no. 7-8; pp. 3253 - 3271
Main Authors: Kanbur, Baris Burak, Suping, Shen, Duan, Fei
Format: Journal Article
Language:English
Published: London Springer London 01.02.2020
Springer Nature B.V
Subjects:
CAE
CAE) and Design
Channels
Computer aided engineering
Computer-Aided Engineering (CAD
Cooling
Design
Design optimization
Engineering
Industrial and Production Engineering
Injection molding
Machining
Mathematical models
Mechanical Engineering
Media Management
Multiple objective analysis
Original Article
Stress concentration
Temperature distribution
Thermal stress
Three dimensional models
Warpage
Injection molding
Computational heat transfer
Computer-aided engineering
Conformal cooling
Design optimization
ISSN:0268-3768, 1433-3015
Online Access:Get full text
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Summary:The recent developments in the additive manufacturing make easier and affordable the fabrication of conformal cooling channels (CCCs) compared with the traditional machining techniques. Conformal cooling channels (CCCs) achieve better cooling performances than the conventional (straight-drilled) channels during the injection molding process since they can follow the pathways of the molded geometry while the conventional channels fail. Cooling time, total injection time, uniform temperature distribution, thermal stress, warpage thickness, etc. are some of the objectives that are improved via CCC applications. However, the CCC design process is more complex than the conventional channels; therefore, computer-aided engineering (CAE) simulations have significant importance for the effective and affordable design. This review study presents the main design steps of CCCs as follows: (1) a background of the CCC fabrication process is projected, (2) the thermal and mechanical models are presented with respect to the 1D analytical model, (3) the CAE-supported design criteria are discussed for the 3D models of CCCs and relevant mold materials, (4) some of the illustrative CAE simulations are explained in detail according to the computational thermal and mechanical objectives, and (5) the single- and multi-objective optimization procedures are defined. By following the aforementioned steps, clearer and effective CAE steps can be obtained for the designers before the on-site fabrication of CCCs.
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ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-019-04697-9