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Lesson 1b: Nominal Wall Thickness

In the first part of this lesson you learned why designing parts with nominal wall thickness is important, and how it can be achieved. Now in Part Two, you will review different gate set-ups and runner configurations. Then you will evaluate injection pressure and clamp tonnage requirements for a set nominal wall thickness.

The second part of this lesson shows how to optimize gate and runner layout design when nominal wall thickness is already set, and how to evaluate injection pressure requirements to determine optimal gate and runner set-ups.

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

Goals of Part Design (Level 1): 

  • Learn the basics of part design and how various design elements impact a molded part
  • Learn how to optimize different design elements to achieve high quality molded parts
  • Analyze real-life simulations and learn to determine optimal outcomes

Section Description: 
As plastic part assemblies become more sophisticated, individual part designs becomes more complex. This complexity can create challenges for part designers, as well as for mold designers and process engineers. Early in the part design phase, designers must establish design parameters, a necessary step for molding high-quality parts that meet specifications and expectations.

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.