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Lesson 5: Optimizing the Packing Profile

In this lesson you will learn how to optimize a packing profile to minimize part shrinkage and maximize quality. This lesson is divided into two sections. In the first, we will evaluate internal cavity packing behavior. In the second section, we will compare four packing phase process simulations and analyze the results.

Topics in this lesson include: the importance of optimizing the packing pressure profile, and the packing pressure profile as it relates to packing pressure times, clamp tonnage requirements, and part weight differences, and volumetric shrinkages.

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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

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
