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Lesson 10: Symmetry and Balance

Gate placement is an important aspect of mold design. Part quality will be directly affected by gate placement and this lesson looks at how gate symmetry and balance plays an important role in achieving high quality molded parts.

This lesson covers: the importance of symmetrical gate design in molding plastic parts, how gate placement affects injection pressure and packing pressure distribution, how fiber orientation is impacted by gate placement, and how uniform fill behavior, fiber orientation, and packing pressure distribution can improve the overall shrinkages and flatness of a part.

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Gate Symmetry and Balance

Learn the basics of mold design and how various design elements impact a molded part. Build your own Circle of Knowledge lesson by lesson. 

Goals of Mold Design: Gates (Level 1): 

  • Learn the basics of mold design and how various design elements impact a molded part
  • Gain an understanding of various gate styles and how they influence the molding process
  • Analyze real-life simulations and learn to determine optimal outcomes

Section Description: 
Gate design and placement are key factors in mold design. Types of gates, placement, and size significantly affect the outcome of molded part so should be understood for maximum benefit. Placement options for gates are often limited by design restrictions and other part-related constraints, understanding and utilizing industry best practices are useful in achieving optimal results.

Explanations, simulations, cause and effect analyses, and the uses of various design features are covered in this section. Understanding these design features is important because they influence the moldability, function, appearance, and quality of a part.

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.