Course Title

Course Title: Gas Assist Part and Mold Design

12 Professional Development Hours/1.2 CEUs

Course Description: The Gas Assist Part & Mold Design course offers insight into the hardware & components used in gas assist, the polymer parameters, the gas injection parameters, the mold parameters, as well as the gas assist injection techniques and design considerations.

Overall Course Objectives:

Understand the various material, mold and process parameters affecting gas assist molding.
Differentiate between the techniques of gas assist/injection.
Relate the equipment used in gas assist molding to the various parts of the molding process.

Course Content:

Lesson 1 - Process Fundamentals

Objectives:

Describe the five basic steps in the gas assist process along with benefits & potential pitfalls and limitations.

Explain the 7 tool design violations to avoid in gas assist.

Recognize gas assist automotive applications and their benefits.

Lesson 2 - Hardware Components, Controls

Objectives:

Identify the basic elements of the gas injection unit hardware.

Compare the advantages and disadvantages of machine nozzle injection to the advantages and disadvantages of in-mold injection.

Discriminate between pressure control systems versus volume control systems.

Lesson 3 – Process Parameters, Troubleshooting Guidelines

Objectives:

Develop an understanding of the polymer, gas injection, and mold parameters.

Identify the major benefit & drawbacks of overflow wells.

List and recognize molding defects/parts problems relating to the gas assist application.

Lesson 4 - Gas Assist Injection Techniques, Design Considerations

Objectives:

Describe some of the gas assist injection techniques used.

Understand the design considerations for gas assist.

Determine what conditions exist for weldlines to occur & recognize the criteria used for gas assist design with respect to weldlines.

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