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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  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: 
Understanding what happens inside a mold during the injection molding process is key to 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 producing high-quality parts.

This section covers explanations, simulations, cause-and-effect analyses, and the introduction of various injection molding concepts. It evaluates and analyzes the relationship between multiple factors inside the mold during injection molding. Fundamental training is essential to understand the complex parts and mold designs commonplace in the injection molding industry.

Recommendation: Entry-Level Operators & Technicians

Length: Lessons are approximately 15-20 minutes long each

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