8 Professional Development Hours/0.8 CEUs

Course Description:  The Design Concepts for Injection Molds course discusses the critical features of a mold design, including cavity number and placement, gating and feed systems, parting line locations, cooling layout and ejection methods.  Other important factors which influence these mold design decisions are also covered, including part production volumes, part function and quality requirements, and the material selected for part production.

Overall Course Objectives:

Lesson 1 - Introduction, Mold Frame, Types of Molds

Objectives:

• Recognize an ideal team for designing a part and mold, and understand the roles they are responsible for.ns, 
  cooling layout, and ejection methods.
• Describe the mold base and components.
• Explain how the optimum number of cavities for a mold is determined & identify the criteria used for cavity layout.

Lesson 2 - Cooling Layout, Runner and Sprue Design

Objectives:

• Compare a two plate mold to a three plate mold.
• Identify the types of cooling systems for molds.
• Recognize the advantages of proper runner and sprue design.

Lesson 3 - Gate Design, Ejection, Cored Holes and Features, Slide Cams

Objectives:

• List the 3 variables in gate design and identify common types of gates used in commonly shaped molded parts.
• Explain cored holes molding sequence.
• Recognize the functions of slide cams, core pulls, and lifters.

Lesson 4 - Venting, Mold Materials, Quality Evaluation of Mold During Build

Objectives:

• Explain why venting is important and identify methods of venting.
• Gain knowledge of mold materials, part surface and finishing requirements.
• Recall quality evaluation of mold during build stages.

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