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Advanced Injection Molding Technologies [Kõva köide]

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  • Formaat: Hardback, 500 pages, kõrgus x laius x paksus: 243x172x27 mm, kaal: 1043 g
  • Ilmumisaeg: 30-May-2019
  • Kirjastus: Hanser Publications
  • ISBN-10: 1569906033
  • ISBN-13: 9781569906033
Teised raamatud teemal:
Advanced Injection Molding TechnologiesSuurem pilt
  • Formaat: Hardback, 500 pages, kõrgus x laius x paksus: 243x172x27 mm, kaal: 1043 g
  • Ilmumisaeg: 30-May-2019
  • Kirjastus: Hanser Publications
  • ISBN-10: 1569906033
  • ISBN-13: 9781569906033
Teised raamatud teemal:
Püsilink: https://www.kriso.ee/db/9781569906033.html
Märksõnad:
In this important work, leading international experts cover the most recent and significant developments in advanced injection molding technologies, such as intelligent process control, emerging special injection molding processes, process visualization, variable mold temperature technologies, and computer-aided engineering (CAE). Also included are applications in optics, micromolding, and medical devices, and integrated knowledge guidance and management systems.

It is intended to be used as a must-have reference for professional engineers and engineering managers who want to keep abreast of the latest technological developments and applications, a textbook for both introductory and advanced injection molding courses, and in libraries to serve interested readers from both academic and industrial communities as well as the general public.
Preface vii
1 Introduction to Injection Molding 1(24)
Shia-Chung Chen
1.1 Injection Molding and Molding Machines
1(6)
1.1.1 Brief Overview of an Injection Molding Machine
3(1)
1.1.2 Machine Setup for Process Conditions
4(3)
1.1.2.1 Injection Pressure
4(1)
1.1.2.2 Melt Temperature
5(1)
1.1.2.3 Injection Speed
5(1)
1.1.2.4 Mold Temperature
6(1)
1.1.2.5 Other Parameters
7(1)
1.2 Characterization of the Injection Molding Process
7(8)
1.2.1 Injection Cycle
7(1)
1.2.2 Mold Filling Stage
7(5)
1.2.2.1 Process Overview
7(1)
1.2.2.2 Flow Velocity and Melt Front Advancement
8(1)
1.2.2.3 Pressure Variation and Distribution
9(1)
1.2.2.4 Melt Temperature Variation and Distribution
10(2)
1.2.2.5 Shear Stress and Shear Rate
12(1)
1.2.3 Mold Packing/Holding Process
12(2)
1.2.3.1 Process Overview
12(1)
1.2.3.2 Packing Pressure Variation and Distribution
13(1)
1.2.3.3 Packing Time
13(1)
1.2.4 Mold Cooling Process
14(1)
1.2.4.1 Process Overview
14(1)
1.2.4.2 Coolant Temperature/Mold Temperature
14(1)
1.2.4.3 Cooling Time/Ejection Temperature
15(1)
1.2.4.4 Melt Temperature Distribution
15(1)
1.3 Influence on Part Properties/Qualities
15(10)
1.3.1 Effect of Processing Conditions on Part Properties
15(1)
1.3.2 pvT Path and Thermal-Mechanical History
16(1)
1.3.3 Shrinkage
17(1)
1.3.4 Molecular Orientation/Fiber Orientation
17(2)
1.3.5 Residual Stress
19(2)
1.3.6 Warpage
21(2)
1.3.7 Other Property/Quality Concerns
23(2)
2 Intelligent Control of the Injection Molding Process 25(64)
Yi Yang
Furong Gao
2.1 Introduction of Injection Molding Machine Control
25(2)
2.2 Feedback Control Algorithms: Adaptive Control
27(10)
2.2.1 Model Estimation
29(1)
2.2.2 Model Predictive Control (MPC): Generalized Model Control (GPC)
30(7)
2.2.2.1 Basic Principle of MPC and GPC
30(3)
2.2.2.2 Parameter Tuning
33(1)
2.2.2.3 Adaptive GPC Results
34(2)
2.2.2.4 Adaptive GPC with Different Conditions
36(1)
2.3 Fuzzy System in Injection Molding Control
37(11)
2.3.1 Fuzzy Inference System Background
37(1)
2.3.2 Fuzzy V/P Switchover
38(5)
2.3.3 Fuzzy V/P System Experimental Test
43(1)
2.3.4 Further Improvement
44(4)
2.4 Learning Type Control for Injection Molding
48(7)
2.4.1 Learning Type Control Background
48(2)
2.4.2 PID-Type ILC
50(1)
2.4.3 Time-Delay Consideration
51(1)
2.4.4 P-Type ILC for Injection Velocity
52(2)
2.4.5 P-Type ILC for Packing Pressure
54(1)
2.5 Two-Dimensional Control Algorithm
55(31)
2.5.1 Two-Dimensional Control Background
55(4)
2.5.2 Two-Dimensional Dynamic Matrix Control
59(14)
2.5.2.1 Problem Formulation
59(1)
2.5.2.2 Controller Design
60(1)
2.5.2.2.1 2D Equivalent Model with Repetitive Nature
60(1)
2.5.2.2.2 2D Prediction Model
61(1)
2.5.2.2.3 Cost Function and Control Law
62(1)
2.5.2.2.4 2D-DMC Design Procedure
64(1)
2.5.2.3 Analysis of Convergence and Robustness
65(8)
2.5.3 Simulation Illustration
73(9)
2.5.3.1 Case 1: Convergence Test
75(3)
2.5.3.2 Case 2: Repetitive Disturbances
78(2)
2.5.3.3 Case 3: Nonrepetitive Disturbances
80(2)
2.5.4 Experimental Test of 2D-DMC
82(4)
2.6 Summary and Perspectives
86(3)
3 Water-Assisted Injection Molding 89(26)
Shih-Jung Liu
3.1 Introduction
89(6)
3.1.1 Molding Process
90(2)
3.1.2 Advantages and Disadvantages
92(1)
3.1.3 Water versus Gas
93(1)
3.1.4 Molding Resins
94(1)
3.2 Tooling
95(2)
3.3 Process Parameters
97(8)
3.3.1 Water Penetration Behavior in Molded Parts
97(2)
3.3.2 Water Channel Geometry
99(1)
3.3.3 Part Fingering
100(2)
3.3.4 Unstable Water Penetrations
102(1)
3.3.5 Molding of Fiber-Reinforced Materials
103(2)
3.4 Morphology Development
105(3)
3.5 Modeling and Simulation
108(4)
3.6 Conclusions
112(3)
4 Foam Injection Molding of Conductive-Filler/Polymer Composites 115(34)
Amir Ameli
Chul B. Park
4.1 Introduction
115(1)
4.2 Conductive-Filler/Polymer Composites (CPCs)
116(3)
4.3 Foam Injection Molding
119(1)
4.4 Foam-Injection-Molded CPCs
120(26)
4.4.1 Microstructure of CPC Foams
122(7)
4.4.1.1 Fiber Interconnectivity
123(1)
4.4.1.2 Fiber Orientation
124(2)
4.4.1.3 Skin Layer
126(1)
4.4.1.4 Fiber Breakage
127(2)
4.4.2 Conductivity of CPC Foams
129(7)
4.4.2.1 Through-Plane Conductivity
129(4)
4.4.2.2 In-Plane Conductivity and Anisotropy
133(2)
4.4.2.3 Uniformity of Conductivity
135(1)
4.4.3 Impact of Processing Conditions on the Conductivity of CPC Foams
136(15)
4.4.3.1 Degree of Foaming
136(6)
4.4.3.2 Injection Flow Rate
142(2)
4.4.3.3 Gas Content
144(1)
4.4.3.4 Melt Temperature
145(1)
4.5 Concluding Remarks
146(3)
5 Water-Assisted Foaming: A New Improved Approach in Injection Molding 149(46)
Rachmat Mulyana
Jose M. Castro
L. James Lee
5.1 Introduction
149(2)
5.2 Need for Water-Carrier Particles
151(11)
5.2.1 Evaluation of Water-Carrier Particles
151(5)
5.2.2 Pressurized Water inside the Pellet
156(1)
5.2.3 Residual Water and Drying after Molding
157(1)
5.2.4 Shell Life of Pressurized Pellets
158(4)
5.3 Injection-Molding Analysis
162(8)
5.3.1 Molds and Molding Parameters
162(1)
5.3.2 Experimental Observations during the Filling Stage
163(3)
5.3.3 Packing and Cooling Stage
166(4)
5.4 Mechanical Properties
170(3)
5.4.1 Mechanical Property Comparison at Minimum Cycle Time
170(1)
5.4.2 Effect of Packing Time on Mechanical Properties
171(1)
5.4.3 Effect of Water Level on Mechanical Properties
172(1)
5.5 Warping and Surface Quality
173(9)
5.5.1 Warpage Improvement
173(2)
5.5.2 Flow Marks and Surface Quality
175(2)
5.5.3 Hiding the Flow Marks Using In-Mold Coating
177(1)
5.5.4 Method of Weight Saving
178(4)
5.6 Accelerated-Aging Test
182(2)
5.6.1 Effect of Water-Carrier Particles
182(1)
5.6.2 Effect of Residual Water
183(1)
5.7 Comparison with Supercritical Fluid Molding (SCF Molding)
184(7)
5.7.1 Experimental Setup
185(3)
5.7.2 Mechanical Property Comparison
188(1)
5.7.3 Warpage and Surface Quality
189(2)
5.8 Summary and Conclusion
191(4)
6 Variable Mold Temperature Technologies 195(40)
Shia-Chung Chen
6.1 Introduction
195(2)
6.2 Various Methods for Dynamic Mold Temperature Control
197(2)
6.3 Variable Mold Temperature Control with Embedded Internal Heat Sources
199(7)
6.3.1 Hot Water Heating/Cold Water Cooling
199(1)
6.3.2 Oil Heating/Water Cooling
199(1)
6.3.3 Steam Heating/Water Cooling (RHCM)
200(3)
6.3.4 Electrical Heater Heating
203(1)
6.3.5 Pulse Cooling (Alternating Temperature Technology)
204(1)
6.3.6 Electrical Heating at the Mold Surface Using a Two-Layer Coating
205(1)
6.4 Mold Heating Based on Electromagnetic Induction Technology
206(21)
6.4.1 Principle and Characteristics of Induction Heating
206(2)
6.4.2 Induction Heating from Mold Surface (External Heating)
208(1)
6.4.3 Induction Coil Design for Mold and Molding
209(3)
6.4.4 The Challenges Facing EIHTC Applications and Their Possible Solutions
212(3)
6.4.5 The Real Application of EIHTC - Mold Exterior Induction Heating
215(2)
6.4.5.1 Elimination of a Weld Line and Floating Fiber Marks
215(1)
6.4.5.2 Micro-Features Molding
216(1)
6.4.6 Mold Exterior/Induction Heating by an Externally Wrapped Coil
217(3)
6.4.7 Induction Heating from the Mold Interior Using Embedded Coils
220(4)
6.4.8 Mold Interior/Proximity Effect Induced by Internal Current
224(3)
6.5 Other Mold Surface Heating Technologies
227(8)
6.5.1 Hot Gas-Assisted Heating
227(4)
6.5.2 Infrared Heating
231(4)
7 CAE for Advanced Injection Molding Technologies 235(82)
Rong-Yeu Chang
Chao-Tsai Huang
7.1 Introduction
235(1)
7.2 Multi-Component Molding
236(13)
7.2.1 Introduction
236(2)
7.2.2 Governing Equations
238(2)
7.2.3 Case Study
240(8)
7.2.4 Summary
248(1)
7.3 Long-Fiber Microstructure Prediction
249(7)
7.3.1 Introduction
249(1)
7.3.2 Governing Equations
250(2)
7.3.3 Case Study
252(4)
7.3.4 Summary
256(1)
7.4 Microcellular Injection Molding
256(9)
7.4.1 Introduction
256(1)
7.4.2 Governing Equations
257(2)
7.4.3 Case Study
259(5)
7.4.4 Summary
264(1)
7.5 Gas-Assisted Injection Molding
265(6)
7.5.1 Introduction
265(1)
7.5.2 Governing Equations
266(1)
7.5.3 Case Study
267(4)
7.5.4 Summary
271(1)
7.6 Advanced Hot Runner
271(10)
7.6.1 Introduction
271(1)
7.6.2 Governing Equations
272(1)
7.6.3 Case Study
273(8)
7.6.4 Summary
281(1)
7.7 Conformal Cooling System
281(8)
7.7.1 Introduction
281(1)
7.7.2 Governing Equations
282(1)
7.7.3 Case Study
282(7)
7.7.4 Summary
289(1)
7.8 Variotherm Molding Technologies
289(12)
7.8.1 Introduction
289(1)
7.8.2 Governing Equations
290(1)
7.8.3 Case Study
290(10)
7.8.4 Summary
300(1)
7.9 Injection-Compression Molding
301(12)
7.9.1 Introduction
301(1)
7.9.2 Governing Equations
302(1)
7.9.3 Case Study
302(11)
7.9.4 Summary
313(1)
7.10 Concluding Remarks
313(4)
8 Injection Molding of Optical Products 317(32)
Pei-Jen Wang
8.1 Introduction
317(1)
8.2 Optical Qualities
318(3)
8.3 Design Guidelines
321(1)
8.4 Fundamentals of Optics
322(7)
8.4.1 Snell's Law and Lens Images
323(1)
8.4.2 Monochromatic Aberrations
324(3)
8.4.3 Zernike Polynomials
327(1)
8.4.4 Abbe Number
328(1)
8.5 Material Properties
329(2)
8.6 Mold Flow Analysis
331(7)
8.7 Case Studies
338(9)
8.7.1 The Lens and the Mold
338(1)
8.7.2 CAE Simulation Process
339(4)
8.7.3 Experimental Verification
343(4)
8.8 Concluding Remarks
347(2)
9 Microinjection Molding 349(30)
Eusebio Cabrera
Jose M. Castro
Allen Y. Yi
L. James Lee
9.1 Introduction
349(1)
9.2 Issues in Molding Parts with Microfeatures
350(4)
9.3 Influencing Factors in Microinjection Molding
354(1)
9.4 Experimental and Numerical Studies of Injection Molding with Microfeatures
355(8)
9.5 Developments in Microinjection-Molding Technology
363(5)
9.6 Ultrathin Wall Case Study
368(7)
9.7 Concluding Remarks
375(4)
10 Mold Design/Manufacturing Navigation System with Knowledge Management 379(40)
Wen-Ren Jong
10.1 Introduction
379(2)
10.2 Knowledge Management
381(12)
10.3 Four-Layer Architecture
393(9)
10.4 Redevelopment
402(8)
10.5 Stage Integration
410(7)
10.6 Conclusions
417(2)
Index 419