Welcome Guest!

Select Level

Lesson 5: Balancing Multi-Gated Runner Parts

Modern mold design technology allows part designers to design more complex parts with integrated features. These types of parts may require multiple gates. This lesson focuses on balancing multi-gated runner parts. When designing runner systems for a multi-gated part, achieving a balanced process is important for a successful outcome.

This lesson covers the factors to consider when implementing a multiple gating strategy, how different runner dimensions impact filling behaviors and injection pressures, how to analyze tracer result to see behind the flow-front of a part filling, and how to use a “runner design sensitivity test.”

You are not signed up for this course. Subscribe here!

Mold Design Balancing Multi-Gated Runner Parts Play Screen

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

Goals of Mold Design: Cold Runners (Level 1): 

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

Section Description: 
Cold runner systems are an essential aspect of mold design. By optimizing cold runner shapes and sizes, important molding processes such as pressure drops, polymer shearing, packing and cooling behavior, gate sealing time, and overall cycle time can also be made more efficient.

This section covers explanations, simulations, cause-and-effect analyses, and the uses of various design features. Understanding these design features is important because they influence a part’s moldability, function, appearance, and quality.

Recommendation: Entry-Level Operators, Technicians, & Designers

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.