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Lesson 3: Wall Thickness and Injection Pressure

This lesson explains the relationship between wall thickness and injection pressure. You will see how wall thickness also affects part temperature and clamp tonnage.

This lesson covers the relationship between injection pressure requirements and wall thickness, why injection pressure requirements do not change proportionally to wall thickness, and that part temperature and clamp tonnage depend on wall thickness and injection pressure.

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Wall Thickness and Injection Pressure Play Screen

Begin with the basics! Learn what happens inside a mold during the injection molding process. Build your own Circle of Knowledge lesson by lesson. 

Goals of Molding Fundamentals: Inside the Mold (Level 1): 

  • Learn the fundamentals of what goes on inside a mold during the injection molding process
  • Get a basic understanding of how a molding machine functions and its various components
  • Analyze real-life molded parts and learn the cause and effect behaviors of design and process

Section Description: 
Having the foundational understanding of what happens inside a mold during the injection molding process is key for a successful career in the plastics industry. From part designers to mold designers to process engineers, having a good grasp of these molding fundamentals is essential to designing and produce high quality parts.

Explanations, simulations, cause and effect analyses, and the introduction of various injection molding concepts are covered in this section. The relationship between various factors inside the mold during injection molding are evaluated and analyzed. Fundamental training is important to understand the complex part and mold designs that are commonplace in the injection molding industry.

Recommended For: Entry Level Personnel, All Personnel

Length: Lessons are approximately 15-20 minutes long each

The Kruse Training platform delivers knowledge and expertise developed over two decades in the plastic injection molding industry. Now companies and individuals can access a state-of-the-art online training program, suited for all levels of knowledge.