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Injection Molding Principles

1. Overview of the Injection Molding Cycle

  • The injection unit
  • The clamp
  • The mold

2. Injection Control

  • The feedback loop
  • Charting pressure and velocity
  • Utilizing velocity-controlled filling
  • Pressure limited velocity

3. Plastics Flow During Injection Molding

  • The worm analogy
  • Laminar flow and fountain flow
  • Effects of temperature, pressure, and molecular weight

4. Shrinkage and Volume Changes

Geometric Dimensioning and Tolerancing Update (Online)

Instructor: Donald Day

Fee: $249

Course Outline: 

This is an online course with no date restrictions. Enroll anytime!

Changes to the dimensioning and tolerancing standard have affected the meaning and preparation of engineering drawings. This seminar will explain the changes/additions to ASME Y14.5M-1994 standard and reasons for these changes. You will have the opportunity to refresh your knowledge of GD&T and review applications of concepts.

Seminar Outline:

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