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TABLE OF CONTENTS CHAPTER I: ADVANCE........................................................................................................... CHAPTER II INTRODUCTION................................................................................................. CHAPTER III: SAFETY............................................................................................................ III.1.- Worker safety........................................................................................................ III.2.- Electric precautions................................................................................................ III.3.- Mould.................................................................................................................... III.4.- Injection machine.................................................................................................. CHAPTER IV: HOT RUNNER SYSTEM ASSEMBLING................................................................. IV.1.- Hot runner system assembling................................................................................ IV.2.- Monoblock system assembling................................................................................. CHAPTER V: SYSTEM START.................................................................................................. V.1.- Mould assembling on injection machine..................................................................... V.2.- Start....................................................................................................................... CHAPTER VI: POTENTIAL FAULTS......................................................................................... VI.1.- Flow signs............................................................................................................. VI.2.- Brown or silver streaks (Burn)................................................................................ VI.3.- Humidity flashing.................................................................................................. VI.4.- Bad superficial extructure/texture........................................................................... VI.5.- Short shot............................................................................................................. VI.6.- Deflashing............................................................................................................ VI.7.- Sink marks............................................................................................................ VI.8.- Drooling............................................................................................................... VI.9.- Lakes................................................................................................................... VI.10.- Warpage............................................................................................................. CHAPTER VII: GENERAL INFORMATION AND RECOMENDATIONS............................................. VII.1.- Colour changes.................................................................................................... VII.2.- Purge of injection unit.......................................................................................... VII.3.- Plastic cleaning.................................................................................................... VII.4.- Use of recycled material....................................................................................... 10-1
