Description
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
Requrirements
Requirements
This course is valid both begginers and experts.
The only thing necessary is the desire to learn.
