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Workshop Injection Molding
course no. 1

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Target Groups / Market

  • Employees from the production
    • Maschine operators
    • Plastic moulders
    • Work preparation
    • Supervisors
    • Quality assurance employees
  • Tool manufacturers
    • Part designers
    • Tool designers
    • Tool producers
  • Sales and distribution excecutives
    • Process Planning
    • Distribution
    • Sales
    • Project monitoring

Content from the Workshop Injection molding course no. 1

The trainer will decide specifically what contents to focus on depending on your company: Injection molding machines and plastics materials.

Setting, structure, and plastics processing

Thermoplastics, curable plastics, elastomers- evaluation of the firm names- material data, processing data

Characteristics of the plastics, especially of the thermoplastics from Acrylic butadiene to polybutylene terephthalate

Thermoplastic elastomers

Advantages of TPE over elastomers

Why does it need to be dried? And how does it need to be dried?

What is the dew point during the drying process?

Types of dryers, from simple drying to perfect drying

Conditioning of polyamide

Functional sequence of the injection molding machine, pros and cons of hydraulic and electronic injection molding machines

How to achieve a good material homogenic?

Melting process with a three zone thermoplastic screw

Why is the back pressure important, where is it effective?

How is the injection molding speed/pressure determined?

What has to be considered during the injection process?

Why do you have to inject in the frontal flow?

How do you determine the holding pressure time?

How do you obtain the optimal cooling time?

PVT-diagram of amorphous and partially crystalline plastics

How do you optimize surface blemishes?

Closing force calculating; what is the mean in-mold pressure?

Construction of an injection molding tool

When to build: three plate tool, partial hot runner tool, and hot runner tool? Advantages – Disadvantages

How to assess and correct defects in the injection molded part: 1. Sink marks 2. Tie lines; 3. Wetness streaks 4. Burn streaks, 5. Demolding problems… etc. Molded part defects No. 1 to No. 9

Explanation and Review of Practial Spray Test No.1 and Spray Test No.2

Registration of Injection Molding course no. 1

Do you have any further questions?