Course Title

6 Professional Development Hours/0.6 CEUs

Course Description: The Hot Runner Systems course discusses the different varieties of hot runner systems. The cost of the tool, its reliability, the level of cosmetics on the resultant parts, and production quantities expected, as the basis of choosing the right system for a specific application are discussed.

Overall Course Objectives:

Identify the different components of a hot runner molding system, along with the function of each.
Differentiate the main hot runner molding techniques.
Gain an understanding of the types of gating, and the reasons for their use in hot runner molding.

Course Content:

Lesson 1 - Introduction, Hot Runner System Components

Objectives:

Compare traditional cold runner systems to hot runner systems.

Recognize situations where cost savings inherent in hot runner designs, turn the expense into an economical advantage.

Identify a hot runner system and its components.

Lesson 2 - Design of Hot Runner Systems

Objectives:

Identify the steps in the analysis of comparative cost in using hot runners versus conventional molding techniques.

Describe an insulated runner system.

Differentiate between an internal and external heated system, and list the three factors critical to design of the heated runnerless system.

Lesson 3 - Sprues, Manifolds and Nozzles, Gating in Hot Runner Systems, Troubleshooting Guidelines

Objectives:

Describe the functions of the sprues, manifolds and nozzles in the hot runner system.

Identify gating methods used in hot runner molding along with their advantages and limitations.

Recognize common problems that may occur during hot runner molding operations along with cause & solutions.

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