This course is perfect for people who want to learn more about the plastic injection process and injection molds and expand their knowledge in an industry in high demand.

This course is also essential for those people who have been in the sector for a long time and want to consolidate concepts, discover the why of things or simply remember concepts and see the latest trends in the sector.

"Remember that everything in nature when it stagnates begins a decline"

Index:

Chapter 0: Introduction

Chapter 1: Injection Molding Process

• Introduction

• Injection cycle stages

• Pvt Diagrams

• Influence of injection parameters

• Calculation in injection process

• Deffects in injection molding

Chapter 2: Scientific Molding

• Rheology curve

• Cavities balance

• Drop pressure

• Seal gate

• process window

Chapter 3: Types of injection molds

• Introduction

• clasficaction by feeding system

• Clasification by number of plates in cavity/cores

• Clasification by number of cavities

• Special tools

Chapter 4: Ejection system

• Introduction

• Ejection system componts

• Ejectors (pin ejector, sleeve ejector, blade ejectors)

• Undercuts( slider, lifter and hydraulic movements)

• Design of slider (components, calculations and recomendations)

• Design of lifters (components, calculations and recomendations)

• Design of Hydraulics (components, calculations and recomendations)

• Double ejection systems

• Cavity ejection system

• How is acted the ejection system

Chapter 5: Cooling system

• Introduction

• Calculations: cooling time

• Calculations: heat transfer, coolant flow and diameter of channels

• Calculations: cooling channel depth and pitch

• Cooling channel lay-outs

• Components in cooling channel

• Temperatur control unit (TCU)

Chapter 6: Injection system

• Introduction

• Types of injection system

• Hot runners

• Lay-out for moldings

• Calculations: runner diameters.

Chapter 7: Gates

• Introduction

• types of gates

• Calculate shear rate

• Standard gates and runner shu-off

Chapter 8: Venting

• Introduction

• Deffects and locations for venting

• Venting design

Chapter 9: Graining

• Introduction

• Chemical and laser graining