Hot runner technology:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English German |
| Veröffentlicht: |
Munich [u.a.]
Hanser
2006
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 241 S. Ill., graph. Darst. |
| ISBN: | 3446405844 9783446405844 1569903956 9781569903957 |
Internformat
MARC
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| 100 | 1 | |a Unger, Peter |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Hot runner technology |c Peter Unger |
| 264 | 1 | |a Munich [u.a.] |b Hanser |c 2006 | |
| 300 | |a X, 241 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 650 | 4 | |a Injection molding of plastics | |
| 650 | 4 | |a Thermoplastics | |
| 650 | 0 | 7 | |a Kunststoffverarbeitung |0 (DE-588)4114335-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Heißkanalverfahren |0 (DE-588)4730959-3 |2 gnd |9 rswk-swf |
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| 689 | 0 | |5 DE-604 | |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-014830733 | ||
Datensatz im Suchindex
| _version_ | 1804135404073385984 |
|---|---|
| adam_text | Contents
Preface IX
1 Introduction 1
1.1 General Aspects of Hot Runner Technology 1
1.2 Design of Hot Runner Systems and Nomenclature
of Components 6
1.3 Design of Single Components Used for Hot Runner Systems .. 7
2 Basic Aspects of Heat Technology 9
2.1 Heat Transfer 10
2.1.1 Heat Conduction 10
2.1.2 Convection 16
2.1.3 Radiation 19
2.1.4 Summary 23
2.2 Amount of Heat, Heating Capacity 24
2.3 Heat Expansion 26
3 Introduction of Hot Runner Components 37
3.1 Hot Runner Manifold Block 37
3.1.1 Externally Heated Hot Runner Manifold Blocks 41
3.1.2 Internally Heated Hot Runner Manifold Blocks 46
3.1.3 Insulated Runner System 49
3.1.4 Rheological Design 52
3.1.4.1 Natural Balancing 52
3.1.4.2 Numerical Balancing 54
3.2 Reflector- and Thermal Insulating Sheets, Surface Coating .... 56
3.3 Melt Chamber Bushing 61
3.4 Distributor Bushing 63
3.5 Spacer Disks 66
3.6 Anti-Twist Device for Hot Runner Block 78
3.7 Turn Plugs 79
3.8 Hot Runner Nozzles 82
3.8.1 General Aspects 82
3.8.2 Open Hot Runner Nozzle 83
3.8.3 Open Multiple Gate Nozzles 89
3.8.3.1 Vertical of Nozzle Tip Design 89
VI Contents
3.8.3.2 Slanted Design of Nozzle Tips 99
3.8.3.3 Horizontal Tip Design 101
3.8.3.4 Edge Gating without Tips 104
3.8.4 Shut-Off Nozzles 107
3.8.4.1 Needle Shut-Off Systems 108
3.8.4.2 Thermal Shut-Off-Nozzles 140
4 Heating of Hot Runner Manifold Blocks 147
4.1 Cylindrical Cartridge Heater 148
4.2 Tapered Cartridge Heater 150
4.3 Threaded Cartridge Heater 151
4.4 Tubular Heater 152
4.5 Heater Plate 155
4.6 Thick-Film - Heating Element 157
4.7 Indirect Heating Using a Liquid Medium 158
4.8 Heat Pipe 159
4.9 Determination of Heating Capacity of an Externally
Heated Hot Runner Manifold Block 160
4.9.1 Estimate of Required Heating Capacity 160
4.9.2 Numerical Determination of Heating Capacity to be
Installed for the Heat-up Phase 161
5 Heating of Hot Runner Nozzles 165
5.1 Cylindrical Cartridge Heater 165
5.2 Coiled Heater 166
5.3 Resistor Heater 170
5.4 Heat Pipe 173
5.5 Indirect Heating Using a Liquid Medium 174
5.6 General Remarks Regarding Internal Heating
( Conductive Heating ) 177
5.7 Indirect Heating 181
5.7.1 Thermally Conductive Torpedoes 181
5.7.2 Thermally Conductive Nozzle 186
6 Measurement and Control of Temperature 193
7 Material Behavior under Mechanical Load 195
7.1 Notch Effect under Static Load 195
7.2 Notch Effect under Dynamic Load 198
Contents VII
8 Corrosion and Wear 201
9 Screw Connections and Material Selection for Elevated
Temperatures 207
10 Basic Aspects of Plastics Technology 211
10.1 Flow Characteristics, Viscosity, Pressure Loss 211
10.2 Thermal Stability 215
10.3 Decrease of Molecular Weight (Exemplified by PBT) 217
10.3.1 Thermal Degradation 217
10.3.2 Mechanical Degradation 219
10.3.3 Oxidative Degradation 219
10.3.4 Hydrolytic Degradation 220
11 Maintenance and Storage of Hot Runner Molds 221
12 Design of Special Hot Runner Systems and Hot Runner Molds .. 223
12.1 300-Fold Hot Runner System for the Production of Transistor
Housings Made of Reinforced PBT 223
12.2 Hot Runner Manifold Block for Sandwich Molding 226
12.3 Hot Runner System with Balanced Filling Action 228
12.4 Hot Runner Nozzles for Small Center-to-Center Cavity Space . 229
Appendix 1:
Abbreviations Used in this Book 233
Appendix 2:
Conversion Factors for Units of Measure 235
Index 239
|
| adam_txt |
Contents
Preface IX
1 Introduction 1
1.1 General Aspects of Hot Runner Technology 1
1.2 Design of Hot Runner Systems and Nomenclature
of Components 6
1.3 Design of Single Components Used for Hot Runner Systems . 7
2 Basic Aspects of Heat Technology 9
2.1 Heat Transfer 10
2.1.1 Heat Conduction 10
2.1.2 Convection 16
2.1.3 Radiation 19
2.1.4 Summary 23
2.2 Amount of Heat, Heating Capacity 24
2.3 Heat Expansion 26
3 Introduction of Hot Runner Components 37
3.1 Hot Runner Manifold Block 37
3.1.1 Externally Heated Hot Runner Manifold Blocks 41
3.1.2 Internally Heated Hot Runner Manifold Blocks 46
3.1.3 Insulated Runner System 49
3.1.4 Rheological Design 52
3.1.4.1 Natural Balancing 52
3.1.4.2 Numerical Balancing 54
3.2 Reflector- and Thermal Insulating Sheets, Surface Coating . 56
3.3 Melt Chamber Bushing 61
3.4 Distributor Bushing 63
3.5 Spacer Disks 66
3.6 Anti-Twist Device for Hot Runner Block 78
3.7 Turn Plugs 79
3.8 Hot Runner Nozzles 82
3.8.1 General Aspects 82
3.8.2 Open Hot Runner Nozzle 83
3.8.3 Open Multiple Gate Nozzles 89
3.8.3.1 "Vertical" of Nozzle Tip Design 89
VI Contents
3.8.3.2 "Slanted" Design of Nozzle Tips 99
3.8.3.3 "Horizontal" Tip Design 101
3.8.3.4 "Edge" Gating without Tips 104
3.8.4 Shut-Off Nozzles 107
3.8.4.1 Needle Shut-Off Systems 108
3.8.4.2 Thermal Shut-Off-Nozzles 140
4 Heating of Hot Runner Manifold Blocks 147
4.1 Cylindrical Cartridge Heater 148
4.2 Tapered Cartridge Heater 150
4.3 Threaded Cartridge Heater 151
4.4 Tubular Heater 152
4.5 Heater Plate 155
4.6 "Thick-Film"- Heating Element 157
4.7 Indirect Heating Using a Liquid Medium 158
4.8 Heat Pipe 159
4.9 Determination of Heating Capacity of an Externally
Heated Hot Runner Manifold Block 160
4.9.1 Estimate of Required Heating Capacity 160
4.9.2 Numerical Determination of Heating Capacity to be
Installed for the Heat-up Phase 161
5 Heating of Hot Runner Nozzles 165
5.1 Cylindrical Cartridge Heater 165
5.2 Coiled Heater 166
5.3 Resistor Heater 170
5.4 Heat Pipe 173
5.5 Indirect Heating Using a Liquid Medium 174
5.6 General Remarks Regarding Internal Heating
("Conductive Heating") 177
5.7 Indirect Heating 181
5.7.1 Thermally Conductive Torpedoes 181
5.7.2 Thermally Conductive Nozzle 186
6 Measurement and Control of Temperature 193
7 Material Behavior under Mechanical Load 195
7.1 Notch Effect under Static Load 195
7.2 Notch Effect under Dynamic Load 198
Contents VII
8 Corrosion and Wear 201
9 Screw Connections and Material Selection for Elevated
Temperatures 207
10 Basic Aspects of Plastics Technology 211
10.1 Flow Characteristics, Viscosity, Pressure Loss 211
10.2 Thermal Stability 215
10.3 Decrease of Molecular Weight (Exemplified by PBT) 217
10.3.1 Thermal Degradation 217
10.3.2 Mechanical Degradation 219
10.3.3 Oxidative Degradation 219
10.3.4 Hydrolytic Degradation 220
11 Maintenance and Storage of Hot Runner Molds 221
12 Design of Special Hot Runner Systems and Hot Runner Molds . 223
12.1 300-Fold Hot Runner System for the Production of Transistor
Housings Made of Reinforced PBT 223
12.2 Hot Runner Manifold Block for Sandwich Molding 226
12.3 Hot Runner System with Balanced Filling Action 228
12.4 Hot Runner Nozzles for Small Center-to-Center Cavity Space . 229
Appendix 1:
Abbreviations Used in this Book 233
Appendix 2:
Conversion Factors for Units of Measure 235
Index 239 |
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| illustrated | Illustrated |
| index_date | 2024-07-02T14:52:05Z |
| indexdate | 2024-07-09T20:39:58Z |
| institution | BVB |
| isbn | 3446405844 9783446405844 1569903956 9781569903957 |
| language | English German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-014830733 |
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| physical | X, 241 S. Ill., graph. Darst. |
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| spelling | Unger, Peter Verfasser aut Hot runner technology Peter Unger Munich [u.a.] Hanser 2006 X, 241 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Injection molding of plastics Thermoplastics Kunststoffverarbeitung (DE-588)4114335-8 gnd rswk-swf Heißkanalverfahren (DE-588)4730959-3 gnd rswk-swf Heißkanalverfahren (DE-588)4730959-3 s Kunststoffverarbeitung (DE-588)4114335-8 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014830733&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Unger, Peter Hot runner technology Injection molding of plastics Thermoplastics Kunststoffverarbeitung (DE-588)4114335-8 gnd Heißkanalverfahren (DE-588)4730959-3 gnd |
| subject_GND | (DE-588)4114335-8 (DE-588)4730959-3 |
| title | Hot runner technology |
| title_auth | Hot runner technology |
| title_exact_search | Hot runner technology |
| title_exact_search_txtP | Hot runner technology |
| title_full | Hot runner technology Peter Unger |
| title_fullStr | Hot runner technology Peter Unger |
| title_full_unstemmed | Hot runner technology Peter Unger |
| title_short | Hot runner technology |
| title_sort | hot runner technology |
| topic | Injection molding of plastics Thermoplastics Kunststoffverarbeitung (DE-588)4114335-8 gnd Heißkanalverfahren (DE-588)4730959-3 gnd |
| topic_facet | Injection molding of plastics Thermoplastics Kunststoffverarbeitung Heißkanalverfahren |
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