Verfügbarkeit: Robust process development and scientific molding

Robust process development and scientific molding: theory and practice

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Bibliographische Detailangaben
1. Verfasser:	Kulkarni, Suhas (VerfasserIn)
Format:	Buch
Sprache:	English
Veröffentlicht:	Munich Hanser Publishers [2017] Cincinnati Hanser Publications [2017]
Ausgabe:	2nd edition
Schlagworte:	Injection molding of plastics Molding materials Spritzgießen
Online-Zugang:	Inhaltsverzeichnis
Beschreibung:	Includes bibliographical references and index
Beschreibung:	XXII, 367 Seiten Illustrationen, Diagramme
ISBN:	9781569905869

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264		1	\|a Munich \|b Hanser Publishers \|c [2017]
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Datensatz im Suchindex

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adam_text	PREFACE TO THE SECOND EDITION .............................................................. VII PREFACE TO FIRST EDITION .......................................................................... IX 1 INTRODUCTION TO SCIENTIFIC PROCESSING .......................................... 1 1.1 THE EVOLUTION AND PROGRESS OF INJECTION MOLDING ................................. 1 1.2 THE MOLDING PROCESS ............................................................................... 2 1.3 THE THREE TYPES OF CONSISTENCIES REQUIRED IN INJECTION M OLDING ........ 2 1.4 SCIENTIFIC PROCESSING ............................................................................... 6 1.5 THE FIVE CRITICAL FACTORS OF MOLDING ...................................................... 7 1.5.1 PART DESIGN ................................................................................. 8 1.5.2 MATERIAL SELECTION ..................................................................... 8 1.5.3 MOLD DESIGN AND CONSTRUCTION .................................................. 9 1.5.4 MACHINE SELECTION....................................................................... 9 1.5.5 MOLDING PROCESS ......................................................................... 9 1.6 CONCURRENT ENGINEERING ......................................................................... 10 1.7 VARIATION .................................................................................................. 10 2 PROPERTIES OF POLYMERS AND PLASTICS THAT INFLUENCE INJECTION MOLDING ............................................................................ 13 2.1 POLYMERS .................................................................................................. 13 2.2 MOLECULAR WEIGHT AND MOLECULAR WEIGHT DISTRIBUTION ......................... 15 2.3 POLYMER MORPHOLOGY (CRYSTALLINE AND AMORPHOUS POLYMERS) .............. 17 2.4 ROLE OF MORPHOLOGY IN INJECTION MOLDING .............................................. 22 2.4.1 DIFFERENCES IN SHRINKAGE BETWEEN AMORPHOUS AND CRYSTALLINE MATERIALS ................................................................. 22 2.4.2 MELT PROCESSING RANGE ............................................................... 22 2.4.3 MOLD FILLING SPEED ..................................................................... 23 2.4.4 MOLD TEMPERATURES .................................................................... 24 2.4.5 BARREL HEAT PROFILE ...................................................................... 24 2.4.6 SCREW RECOVERY SPEEDS .............................................................. 25 2.4.7 NOZZLE TEMPERATURE CONTROL ...................................................... 25 2.4.8 COOLING T IM ES............................................................................. 26 2.4.9 MECHANICAL P ROPERTIES................................................................ 26 2.4.10 OPTICAL C LARITY............................................................................. 26 2.5 EXCEPTIONS OF MORPHOLOGY RULES TO POLYOLEFINS....................................... 27 2.6 THERMAL TRANSITIONS IN POLYMERS............................................................ 28 2.6.1 RELATIONSHIP BETWEEN THE GLASS TRANSITION TEMPERATURE AND POST MOLD SHRINKAGE............................................................ 32 2.7 SHRINKAGE OF POLYMERS IN INJECTION MOLDING .......................................... 36 2.8 THE PLASTIC PRESSURE-VOLUME-TEMPERATURE (PVT) RELATIONSHIP .......... 39 2.8.1 IMPORTANCE OF PLASTIC DENSITY IN INJECTION M OLDING ................. 40 2.8.2 RESIDENCE TIME AND MAXIMUM RESIDENCE TIME OF A PLASTIC . . . 41 2.8.3 PLASTIC DATASHEETS ....................................................................... 43 2.9 REFERENCES ............................................................................................... 45 3 POLYMER RHEOLOGY ........................................................................... 47 3.1 V ISCOSITY.................................................................................................. 47 3.2 NEWTONIAN AND NON-NEWTONIAN M ATERIALS .............................................. 49 3.3 VISCOSITY IN POLYMER M E LTS ..................................................................... 50 3.4 EFFECT OF TEMPERATURE ON VISCOSITY.......................................................... 54 3.5 VELOCITY AND SHEAR RATE PROFILES.............................................................. 55 3.6 APPLICATION TO INJECTION MOLDING ............................................................ 56 3.6.1 FLOW IMBALANCE IN AN 8-CAVITY MOLD ......................................... 57 3.6.2 RACETRACK EFFECT IN A PART WITH CONSTANT THICKNESS ................ 59 3.6.3 STRESS BUILD-UP IN MOLDED PARTS .............................................. 59 3.6.4 WARPAGE DIFFERENCE BETWEEN CAVITIES ....................................... 60 3.7 SOLVING FLOW IMBALANCES USING MELT ROTATION TECHNIQUES ................. 60 3.8 FOUNTAIN FLOW ........................................................................................... 62 3.9 EFFECT OF FOUNTAIN FLOW ON CRYSTALLINITY, MOLECULAR ORIENTATION, AND FIBER ORIENTATION............................................................................... 65 3.10 CHARACTERIZATION OF POLYMER VISCOSITY .................................................. 66 3.11 REFERENCES ................................................................................................ 67 4 PLASTIC DRYING.................................................................................... 69 4.1 PROBLEMS IN MELT PROCESSING RELATED TO THE PRESENCE OF MOISTURE ___ 71 4.1.1 DEGRADATION OF PLASTIC ................................................................ 71 4.1.2 PRESENCE OF SURFACE DEFECTS........................................................ 71 4.2 HYGROSCOPIC POLYMERS ........................................................................... 75 4.3 DRYING OF PLASTICS..................................................................................... 77 4.3.1 DRYING TEMPERATURES AND TIMES .............................................. 77 4.3.2 RELATIVE HUMIDITY AND DEW POINT ............................................ 79 4.3.3 AIR FLOW RATE ............................................................................. 80 4.4 EQUIPMENT FOR DRYING P LASTICS................................................................ 80 4.4.1 OVEN DRYERS ............................................................................... 80 4.4.2 HOT AIR DRYERS ........................................................................... 81 4.4.3 DESICCANT DRYERS ....................................................................... 81 4.4.4 CLASSIFICATIONS BASED ON THE LOCATION OF THE DRYER ................. 81 4.5 DETERMINATION OF THE AMOUNT OF MOISTURE ..................................... 82 4.5.1 THE GLASS SLIDE TECHNIQUE (TVI TEST) ....................................... 82 4.5.2 THE KARL-FISCHER TITRATION M ETHOD ............................................ 83 4.5.3 ELECTRONIC MOISTURE ANALYZER .................................................... 83 4.5.4 MEASUREMENT OF THE DEW POINT ................................................ 84 4.6 OVERDRYING OR OVEREXPOSURE TO DRYING TEMPERATURES ......................... 85 4.7 CAUTIONS .................................................................................................. 92 4.8 PREVENTION OF OVEREXPOSURE TO LONGER DRYING TIMES ........................... 92 4.9 OVERDRYING CONTROLLER............................................................................. 93 4.10 REFERENCES................................................................................................ 94 5 COMMON PLASTIC MATERIALS AND ADDITIVES .................................... 95 5.1 CLASSIFICATION OF POLYMERS....................................................................... 95 5.2 COMMERCIALLY IMPORTANT PLASTICS............................................................ 97 5.2.1 POLYOLEFINS................................................................................... 97 5.2.2 POLYMERS FROM ACRYLONITRILE, BUTADIENE, STYRENE, AND ACRYLATE 98 5.2.3 POLYAMIDES (PA) ......................................................................... 99 5.2.4 POLYSTYRENES (PS) ....................................................................... 100 5.2.5 ACRYLICS ...................................................................................... 101 5.2.6 POLYCARBONATES (PC) ................................................................... 101 5.2.7 POLYESTERS .................................................................................... 101 5.2.8 POLYVINYL CHLORIDE (PVC)............................................................ 101 5.2.9 POLYOXYMETHYLENE (POM OR ACETAL) ............................................ 102 5.2.10 FLUOROPOLYMERS........................................................................... 103 5.3 ADDITIVES................................................................................................... 103 5.3.1 FILLERS........................................................................................... 104 5.3.2 PLASTICIZERS ................................................................................. 104 5.3.3 FLAME RETARDANTS ....................................................................... 104 5.3.4 ANTI-AGING ADDITIVES, UV STABILIZERS ......................................... 105 5.3.5 NUCLEATING AGENTS ...................................................................... 105 5.3.6 LUBRICANTS................................................................................... 106 5.3.7 PROCESSING A IDS ........................................................................... 106 5.3.8 C OLORANTS..................................................................................... 106 5.3.9 BLOWING A GENTS ........................................................................... 106 5.3.10 OTHER POLYMERS ........................................................................... 107 5.4 CLOSING REMARKS ..................................................................................... 108 5.5 REFERENCE ................................................................................................ 108 6 INJECTION MOLDING AND MOLDING MACHINES .................................. 109 6.1 THE HISTORY OF INJECTION M OLDING............................................................ 109 6.2 INJECTION MOLDING MACHINES AND THEIR CLASSIFICATIONS ......................... 110 6.3 MACHINE SPECIFICATIONS ........................................................................... 112 6.3.1 CLAMP FORCE (TONNAGE) .............................................................. 113 6.3.2 SHOT SIZE ..................................................................................... 113 6.3.3 SCREW DIAMETER AND L/D RATIO ............................................... 113 6.3.4 PLASTICATING CAPACITY .................................................................. 114 6.3.5 MAXIMUM PLASTIC PRESSURE ........................................................ 114 6.4 THE INJECTION MOLDING SCREW .................................................................. 114 6.5 SCREW DESIGNS ......................................................................................... 117 6.6 THE CHECK RING ASSEMBLY ....................................................................... 118 6.7 INTENSIFICATION RATIO (IR) ....................................................................... 119 6.8 OBTAINING INTENSIFICATION R ATIOS.............................................................. 121 6.9 SELECTING THE RIGHT MACHINE FOR THE M OLD .............................................. 122 6.9.1 PHYSICAL SIZE OF THE MOLD .......................................................... 122 6.9.2 CALCULATING THE REQUIRED MACHINE TONNAGE FOR A M O LD ............ 124 6.10 THE RULE OF THUMB FOR TONNAGE IS ONLY AN ESTIM ATE ............................. 126 6.10.1 PERCENTAGE SHOT SIZE USED AND NUMBER OF SHOTS IN THE BARREL 127 6.10.2 RESIDENCE TIME OF THE MATERIAL IN THE BARREL ............................ 130 6.10.3 PRACTICAL METHODS TO FIND PERCENTAGE SHOT SIZE, SHOTS IN A BARREL, AND RESIDENCE TIME .................................................... 130 6.10.4 RESIDENCE TIME DISTRIBUTION...................................................... 131 7 SCIENTIFIC PROCESSING, SCIENTIFIC MOLDING, AND MOLDING PARAMETERS......................................................................... 133 7.1 INTRODUCTION ............................................................................................ 133 7.1.1 PROCESS ROBUSTNESS ................................................................... 135 7.1.2 PROCESS CONSISTENCY ................................................................. 135 7.2 THE 11 + 2 PLASTIC INJECTION MOLDING MACHINE PARAMETERS ..................... 138 7.3 PROCESS OUTPUTS ...................................................................................... 141 7.4 WHAT SCIENTIFIC MOLDING AND SCIENTIFIC PROCESSING ARE NOT ................... 142 7.5 THE INJECTION MOLDING C YCLE ...... . ........................................................... 143 7.5.1 INJECTION, PACK, AND H OLD............................................................ 143 7.5.2 SPEED AND PRESSURE ................................................................... 145 7.5.3 PRESSURE LIMITED PROCESS .......................................................... 146 7.5.4 DECOUPLED MOLDING*................................................................. 146 7.5.5 INTENSIFICATION RATIO (IR) ............................................................ 147 7.5.6 SCREW SPEED ............................................................................... 148 7.5.7 BACK PRESSURE ............................................................................. 150 7.5.8 CYCLE TIM E................................................................................... 151 7.6 REFERENCES................................................................................................ 152 8 PROCESS DEVELOPMENT PART 1: THE 6-STEP STUDY - EXPLORING THE COSMETIC PROCESS................................................... 153 8.1 INTRODUCTION ............................................................................................ 153 8.2 INTRODUCTION TO PROCESS DEVELOPMENT .................................................. 153 8.3 PREMOLDING SETUP ................................................................................... 156 8.4 STORAGE AND DRYING OF R ESIN ___ T ........................................................... 156 8.4.1 PLASTIC DRYING ............................................................................. 157 8.5 MACHINE SELECTION .................................................................................. 159 8.6 IMPORTANCE OF ADDING CHARGE DELAY TIME ............................................ 160 8.7 FILLING IN INJECTION: WEIGHT OR VOLUME?.................................................. 161 8.8 SETTING OF THE MELT TEMPERATURES ........................................................... 162 8.9 SETTING MOLD TEMPERATURES..................................................................... 165 8.10 PROCESS OPTIMIZATION - THE 6-STEP STUDY .............................................. 165 8.10.1 STEP 1: OPTIMIZATION OF THE INJECTION PHASE-RHEOLOGY STUDY . . . 165 8.10.2 PROCEDURE TO DETERMINE THE VISCOSITY CURVE AT THE MOLDING MACHINE ....................................................................... 169 8.10.3 HOW TO USE THIS INFORMATION...................................................... 171 8.10.4 CAUTIONS AND EXCEPTIONS ............................................................ 173 8.10.5 PROFILING OF INJECTION S P EED S...................................................... 173 8.10.6 WHEN A SHORT SHOT STICKS .......................................................... 174 8.10.7 SELECTING MELT TEMPERATURE FOR VISCOSITY GRAPHS ..................... 176 8.10.8 STEP 2: DETERMINING THE CAVITY BALANCE - CAVITY BALANCE S TU D Y .................................................................. 177 8.11 REASONS FOR CAVITY IMBALANCE.................................................................. 180 8.11.1 DETERMINING THE CAUSE OF CAVITY IM BALANCES ........................... 184 8.11.2 CALCULATING CAVITY IM BALANCE .................................................... 184 8.11.3 ACCEPTABLE LEVEL OF CAVITY IMBALANCE ....................................... 185 8.11.4 STEP 3: DETERMINING THE PRESSURE DROP - PRESSURE DROP STUDIES ................................................................ 187 8.12 EFFECT OF PRESSURE DROP ON THE PACK AND HOLD P H A SE ............................. 194 8.12.1 STEP 4: DETERMINING THE COSMETIC PROCESS WINDOW - PROCESS WINDOW STUDY................................................................ 195 8.13 RELATIONSHIP BETWEEN CAVITY BALANCE AND PROCESS WINDOWS ................ 202 8.14 THE PACK AND HOLD PRESSURE RULE NOT TO BE USED ................................. 202 8.14.1 STEP 5: DETERMINING THE GATE SEAL TIME - GATE SEAL S TU D Y ___ 203 8.15 DIFFERENTIATING BETWEEN THE PACK AND THE HOLD PHASE ......................... 206 8.16 HOT RUNNER AND VALVE GATED M OLDS........................................................ 210 8.16.1 STEP 6: DETERMINING THE COOLING TIME - COOLING TIME STUDY .. 210 8.16.2 OPTIMIZATION OF SCREW ROTATION S P EED ....................................... 213 8.16.3 WHY TO NOT USE THE RULE OF THUMB ............................................ 214 8.17 OPTIMIZATION OF BACK PRESSURES .............................................................. 215 8.18 THE COSMETIC SCIENTIFIC P ROCESS.............................................................. 216 8.18.1 POST MOLD SHRINKAGE STUDIES...................................................... 216 8.18.2 PROCEDURE TO MEASURE SHRINKAGE .............................................. 219 8.19 RECOMMENDED MOLD FUNCTION QUALIFICATION PROCEDURE ......................... 220 8.20 RECOMMENDED ADJUSTMENTS TO MAINTAIN PROCESS CONSISTENCY AND ROBUSTNESS ....................................................................................... 221 8.21 PROCESS DOCUMENTATION ......................................................................... 222 8.22 REFERENCES................................................................................................. 223 9 PROCESS DEVELOPMENT PART 2: EXPLORING THE DIMENSIONAL PROCESS VIA THE D O E ........................ 225 9.1 PARAMETERS IN INJECTION MOLDING ............................................................ 226 9.1.1 DESIGN OF EXPERIMENTS: DEFINITION ............................................ 228 9.2 TERMINOLOGY ............................................................................................. 230 9.2.1 FACTOR ......................................................................................... 230 9.2.2 RESPONSE ..................................................................................... 231 9.2.3 LEVEL............................................................................................ 231 9.2.4 DESIGNED EXPERIMENT ................................................................. 231 9.3 RELATIONSHIPS BETWEEN THE NUMBER OF FACTORS, LEVELS, AND EXPERIMENTS ..................................................................................... 232 9.4 BALANCED A RRAYS....................................................................................... 234 9.5 INTERACTIONS ............................................................................................ 235 9.6 CONFOUNDING OR ALIASING......................................................................... 238 9.7 RANDOMIZATION ........................................................................................ 240 9.8 FACTORIAL EXPERIMENTS ............................................................................. 241 9.9 DATA ANALYSIS .......................................................................................... 241 9.9.1 TORNADO CHARTS ........................................................................... 243 9.9.2 CONTOUR PLOTS............................................................................... 244 9.9.3 PREDICTION EQUATION ................................................................... 245 9.9.4 PROCESS SENSITIVITY C HARTS.......................................................... 246 9.10 USING THE RESULTS FROM DOE ................................................................... 247 9.10.1 PROCESS SELECTION ....................................................................... 247 9.10.2 CAVITY STEEL ADJUSTMENT.............................................................. 248 9.10.3 PROCESS ADJUSTMENT TOOL ............................................................ 249 9.10.4 SETTING PROCESS CHANGE TOLERANCES ............................................ 249 9.10.5 REDUCING INSPECTION ................................................................... 249 9.11 THE DIMENSIONAL PROCESS WINDOW (DPW) .............................................. 250 9.12 SELECTIONS OF FACTORS FOR DOES ............................................................... 252 9.13 ANALYSIS OF VARIANCE (ANOVA) ............................................................... 257 9.14 COLLECTING SHOTS FOR A QUALITY CHECK ...................................................... 258 9.15 CHOOSING THE HIGHS AND LOWS FOR DOES FROM THE PROCESS W INDOW ___ 259 9.16 DOE APPLICATION TO OPTIMIZE PACK AND HOLD T IM ES ................................ 260 9.17 SETTING ACCEPTABLE MACHINE TOLERANCES AND ALARMS DURING PRODUCTION .............................................................................................. 265 9.18 SUMMARY.................................................................................................. 266 10 MOLD QUALIFICATION FLOWCHART, PRODUCTION RELEASE, AND TROUBLESHOOTING ....................................................................... 269 10.1 MOLD QUALIFICATION FLOWCHART ................................................................. 269 10.1.1 MOLD FUNCTION QUALIFICATION PROCEDURE..................................... 271 10.1.2 MOLD AND PART QUALITY QUALIFICATION PROCEDURE ......................... 271 10.2 MOLD QUALIFICATION CHECKLIST................................................................... 271 10.3 PROCESS DOCUMENTATION ........................................................................... 272 10.3.1 PROCESS SHEET ............................................................................. 272 10.3.2 WATERLINE DIAGRAMS .................................................................... 273 10.3.3 MOLD TEMPERATURE MAPS ............................................................ 274 10.3.4 SETUP INSTRUCTIONS ...................................................................... 275 10.3.5 OPERATOR INSTRUCTIONS.................................................................. 275 10.4 DOCUMENTATION BOOKS ............................................................................. 276 10.5 QUALIFICATION PRODUCTION RUNS ........................................................... 277 10.6 MOLD SPECIFIC TROUBLESHOOTING GUIDE .................................................... 277 10.7 MOLDING STARTUP AND SHUTDOWN ........................................................... 278 10.7.1 PURGING ....................................................................................... 278 10.7.2 STARTUP OF A MOLDING M ACHINE .................................................... 279 10.7.3 SHUTDOWN OF A MOLDING MACHINE .............................................. 280 10.8 TROUBLESHOOTING....................................................................................... 280 10.9 IMPORTANT EQUIPMENT AND TOOLS FOR QUALIFICATIONS AND TROUBLESHOOTING....................................................................................... 283 10.10 COMMON DEFECTS, THEIR CAUSES, AND PREVENTION .................................... 284 10.10.1 SPLAY: WHAT IS IT? HOW TO GET RID OF IT? ....................................... 285 10.10.2 DEFECTS IN M OLDING...................................................................... 287 11 ROLE OF MOLD COOLING, VENTING, AND REGRIND IN PROCESS DEVELOPMENT .................................................................................... 293 11.1 MOLD COOLING............................................................................................. 293 11.1.1 NUMBER OF COOLING CHANNELS .................................................... 294 11.1.2 REYNOLDS NUMBER OF THE COOLANT FLOW ..................................... 294 11.1.3 TYPE OF COOLANT ......................................................................... 295 11.1.4 SERIES AND PARALLEL COOLING ........................................................ 296 11.2 VENTING .................................................................................................... 297 11.2.1 DIMENSIONS OF THE VENT .............................................................. 298 11.2.2 PRIMARY VENT DEPTHS .................................................................. 299 11.2.3 LOCATION OF VENTS ....................................................................... 302 11.2.4 FORCED VENTING OR VACUUM VENTING ............................................ 304 11.3 REGRIND .................................................................................................... 305 11.3.1 EFFECT OF THE MOLDING PROCESS ON THE PART PROPERTIES .............. 305 11.3.2 USING REGRIND ........................................................................... 307 11.3.3 BATCH AND CONTINUOUS PROCESSES OF INCORPORATING REGRIND ___ 307 11.3.4 ESTIMATING THE AMOUNT OF REGRIND FROM DIFFERENT GENERATIONS ................................................................ 308 11.3.5 EFFECT OF REGRIND ON PROCESSING .................................................. 311 11.3.6 CLOSING REMARKS......................................................................... 311 12 RELATED TECHNOLOGIES AND TOPICS ................................................. 313 12.1 CAVITY PRESSURE SENSING TECHNOLOGY...................................................... 313 12.1.1 SENSORS AND OUTPUT G RA P H S........................................................ 314 12.1.2 TYPES AND CLASSIFICATION OF PRESSURE S ENSORS ........................... 315 12.1.3 USE OF INFORMATION FROM THE PRESSURE GRAPHS ........................... 317 12.1.4 CONTROLLING THE PROCESS WITH CAVITY PRESSURE SENSORS.............. 319 12.1.5 SENSOR LOCATIONS ....................................................................... 321 12.2 BUILDING A KNOWLEDGE BASE ................................................................... 322 12.3 CONCURRENT ENGINEERING IN INJECTION MOLDING ........................................ 324 12.3.1 THE PRODUCT DESIGNER.................................................................. 326 12.3.2 THE TOOLING ENGINEER.................................................................. 326 12.3.3 THE MOLD DESIGNER AND MOLD MAKER ......................................... 327 12.3.4 THE MATERIAL SUPPLIER ................................................................ 327 12.3.5 THE PROCESS ENGINEER.................................................................. 328 12.3.6 THE QUALITY E NGINEER .................................................................. 329 12.3.7 THE SALES TEAM AT THE M OLDER..................................................... 329 12.3.8 MANDATORY FOR ALL DEPARTMENTS ................................................ 330 12.3.9 IMPLEMENTING CONCURRENT ENGINEERING..................................... 330 13 QUALITY CONCEPTS.............................................................................. 333 13.1 BASIC CONCEPTS ........................................................................................ 333 13.2 HISTOGRAM ................................................................................................ 334 13.3 NORMAL DISTRIBUTION................................................................................. 335 13.4 STANDARD DEVIATION................................................................................... 336 13.5 SPECIFICATION LIMITS AND STANDARD DEVIATION ........................................ 337 13.6 CAPABILITY IN D EX ...................................................................................... 339 13.7 PROCESS CAPABILITY .................................................................................. 340 13.8 STATISTICAL QUALITY CONTROL (SQC) AND STATISTICAL PROCESS CONTROL (SPC) 342 13.9 REFERENCES................................................................................................ 342 APPENDIX A MATERIALS DATA SHEET ..................................................... 343 APPENDIX B CONVERSION TABLES FOR COMMONLY USED PROCESS PARAMETERS XXII C O N T E N T S APPENDIX C WATER FLOW TABLES ......................................................... 351 APPENDIX D PART DESIGN CHECKLIST .................................................... 353 APPENDIX E MOLD DESIGN CHECKLIST ................................................... 355 APPENDIX F MOLD QUALIFICATION CHECKLIST ...................................... 357 APPENDIX G REGRIND TABLES - PERCENTAGE OF REGRIND IN TOTAL S H O T ..................................................................... 359 IN D E X .......................................................................................................... 361
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author	Kulkarni, Suhas
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discipline	Chemie / Pharmazie Werkstoffwissenschaften Chemie-Ingenieurwesen Werkstoffwissenschaften / Fertigungstechnik
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id	DE-604.BV044194968
illustrated	Illustrated
indexdate	2024-07-10T07:46:22Z
institution	BVB
isbn	9781569905869
language	English
lccn	016056074
oai_aleph_id	oai:aleph.bib-bvb.de:BVB01-029601626
oclc_num	974987607
open_access_boolean
owner	DE-91G DE-BY-TUM DE-12 DE-210 DE-703 DE-29T DE-83
owner_facet	DE-91G DE-BY-TUM DE-12 DE-210 DE-703 DE-29T DE-83
physical	XXII, 367 Seiten Illustrationen, Diagramme
publishDate	2017
publishDateSearch	2017
publishDateSort	2017
publisher	Hanser Publishers Hanser Publications
record_format	marc
spelling	Kulkarni, Suhas (DE-588)142415529 aut Robust process development and scientific molding theory and practice Suhas Kulkarni 2nd edition Munich Hanser Publishers [2017] Cincinnati Hanser Publications [2017] © 2017 XXII, 367 Seiten Illustrationen, Diagramme txt rdacontent n rdamedia nc rdacarrier Includes bibliographical references and index Injection molding of plastics Molding materials Spritzgießen (DE-588)4056561-0 gnd rswk-swf Spritzgießen (DE-588)4056561-0 s DE-604 Erscheint auch als Online-Ausgabe 978-1-56990-587-6 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029601626&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Kulkarni, Suhas Robust process development and scientific molding theory and practice Injection molding of plastics Molding materials Spritzgießen (DE-588)4056561-0 gnd
subject_GND	(DE-588)4056561-0
title	Robust process development and scientific molding theory and practice
title_auth	Robust process development and scientific molding theory and practice
title_exact_search	Robust process development and scientific molding theory and practice
title_full	Robust process development and scientific molding theory and practice Suhas Kulkarni
title_fullStr	Robust process development and scientific molding theory and practice Suhas Kulkarni
title_full_unstemmed	Robust process development and scientific molding theory and practice Suhas Kulkarni
title_short	Robust process development and scientific molding
title_sort	robust process development and scientific molding theory and practice
title_sub	theory and practice
topic	Injection molding of plastics Molding materials Spritzgießen (DE-588)4056561-0 gnd
topic_facet	Injection molding of plastics Molding materials Spritzgießen
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029601626&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
work_keys_str_mv	AT kulkarnisuhas robustprocessdevelopmentandscientificmoldingtheoryandpractice

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