On the relationship between cooling setup and warpage in injection molding

被引：79

作者：

Sanchez, R. ^{[1
]}

Aisa, J. ^{[1
]}

Martinez, A. ^{[1
]}

Mercado, D. ^{[1
]}

机构：

[1] Univ Zaragoza, TIIP, CSIC, Zaragoza 50018, Spain

来源：

MEASUREMENT | 2012年 / 45卷 / 05期

关键词：

Injection; Cooling; Warpage; Measurement; OPTIMIZATION; SHRINKAGE; ANOVA; PARTS;

D O I：

10.1016/j.measurement.2012.01.039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Injection molding process causes differences between designed shape and real parts, all of them associated to shrinkage phenomena. Temperature and pressure distribution during molding process originate local shrinkage, and the internal stresses induces warpage depending on the relative stiffness of each part area. In this paper some measurement results are shown, focused on cooling parameters effect on warpage, using non-contact techniques on several part areas. Results allow visualize warpage changes when melt temperature, cooling time or cooling conditions vary. These measurement results, out of general rules, reveal how final part shape varies with temperature, not only in maximum value but in curvature. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1051 / 1056

页数：6

共 19 条

[1] Dimensional Study of Thermoplastic Parts Made Using Sequential Injection Molding [J].

Aisa, Jorge ;

Castany, Javier .

POLYMER ENGINEERING AND SCIENCE, 2009, 49 (09) :1832-1838

[2] Reducing shrinkage in injection moldings via the Taguchi, ANOVA and neural network methods [J].

Altan, Mirigul .

MATERIALS & DESIGN, 2010, 31 (01) :599-604

[3] Simulation and experimental study in determining injection molding process parameters for thin-shell plastic parts via design of experiments analysis [J].

Chen, Ching-Piao ;

Chuang, Ming-Tsan ;

Hsiao, Yun-Hsiang ;

Yang, Yung-Kuang ;

Tsai, Chih-Hung .

EXPERT SYSTEMS WITH APPLICATIONS, 2009, 36 (07) :10752-10759

[4] A neural network-based approach for dynamic quality prediction in a plastic injection molding process [J].

Chen, Wen-Chin ;

Tai, Pei-Hao ;

Wang, Min-Wen ;

Deng, Wei-Jaw ;

Chen, Chen-Tai .

EXPERT SYSTEMS WITH APPLICATIONS, 2008, 35 (03) :843-849

[5] Prediction of shrinkage and warpage in consideration of residual stress in integrated simulation of injection molding [J].

Choi, DS ;

Im, YT .

COMPOSITE STRUCTURES, 1999, 47 (1-4) :655-665

[6] Minimization of warpage and sink index in injection-molded thermoplastic parts using Taguchi optimization method [J].

Erzurumlu, Tuncay ;

Ozcelik, Babur .

MATERIALS & DESIGN, 2006, 27 (10) :853-861

[7] An effective warpage optimization method in injection molding based on the Kriging model [J].

Gao, Yuehua ;

Wang, Xicheng .

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2008, 37 (9-10) :953-960

[8] Surrogate-based process optimization for reducing warpage in injection molding [J].

Gao, Yuehua ;

Wang, Xicheng .

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2009, 209 (03) :1302-1309

[9]

Gordon J., 2003, IND DESIGN PLASTICS

[10]

Greener J, 2006, PRECISION INJECTION MOLDING: PROCESS, MATERIALS AND APPLICATIONS, P1

← 1 2 →