Course Title

Course Title: Thin Wall Injection Molding

8 Professional Development Hours/0.8 CEUs

Course Description: The Thin Wall Molding Course covers topics on implementing the thin wall molding technique including: material considerations, design and processing, and advantages and limitations. Thin wall molding machinery, and several examples of applications and case studies are also shown.

Overall Course Objectives:

Develop a detailed understanding of how to injection mold parts with thin walls.
Learn how the unique requirements for thin wall molding necessitate machine, material, and processing modifications.
Differentiate between thin wall and conventional injection molding.

Course Content:

Lesson 1 – Introduction, Material Considerations

Objectives:

Recognize benefits and limitations of thin wall molding.

Develop an understanding of the principle of plastic flow and flow geometrics that relate
to thin wall molding.

Compare how computerized simulation & analysis on conventional parts differs from simulations to thin wall parts.

Lesson 2 – Thin Wall Molding Equipment, Design for Thin Wall Molding

Objectives:

Name the three groups into which machines are classified for thin wall application.

Gain knowledge of thin wall injection molding tooling including: construction, venting, part ejection, runners and gate design.

Identify differences in part design for conventional molding to part design for thin wall
molding.

Lesson 3 – Processing for Thin Wall Molding

Objectives:

List the four variables to be considered in processing for thin wall molding.

Explain the importance of melt temperature and the injection rate and pressure, in the processing for thin wall molding.

Compare the cooling rate in thin wall parts to conventional thickness.

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