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Teaching & AcademicsEngineeringInjection Molding

Injection Plastic Molding

Scientific Molding Process and smart design for injection tools
Rating: 3.6 out of 53.6 (39 ratings)
172 students
Created by Diego Escuin Claramonte
Last updated 5/2020
English

What you'll learn

  • This course is the distillation of years of work, study and reading
  • During this course, the student will learn the principles of injection molding and how design a injection mold
  • The student willl be introduced in scientific molding
  • The student will learn in detail ejection system, injection system, cooling system, venting, gates and graining

Requirements

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

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

Who this course is for:

  • People who want to enter in injection molding sector.
  • People who are already working in this sector but want to deepen or review concepts and calculations
  • People who have moved up in their company and operate the injection machines but do not have a solid foundation in injection molding

Instructor

Diego Escuin Claramonte
Engineer passionate about injection plastic molding
Diego Escuin Claramonte
  • 3.9 Instructor Rating
  • 52 Reviews
  • 210 Students
  • 2 Courses

Hi World!!

Let me introduce  myself, I am a chemical engineer from Spain.

Although I have focused my professional career in injection plastic molding. Studying several master degrees in injection molding process and design of injection molds.

Moreover, I have worked in three of the biggest company in injection molding and I have travelled around the world, in the development and set up for new tools.

I love to help and teach people, that it is the reason why I am here.


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