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Basic Gear Fundamentals

COURSE NO: M04-033
Basic Gear Fundamentals
Course Highlights

This online engineering PDH course provides guidance on how to understand the design and function of gears. It starts with an analysis of the dynamics of a simple gear train. It then defines the many terms and simple equations that describe gear teeth. The four basic types of gears are discussed along with the methods and materials used to manufacture gears. A step-by-step procedure is used to design a spur gearset and its mountings using formulas from national known organizations. Design alternatives are given which can increase the power ratings of standard spur gearsets. Helical and bevel gearsets are power rated and compared to spur gearsets. Finally, expert analysis is given for the application of gearing in four different mechanical power transmission devices.


Much scientific study and development work has been accomplished on gears. The gear tooth has been so successfully perfected that, when two gears mesh, almost perfect rolling takes place enabling them to operate in the high 90% efficiency range similar to anti-friction bearings that support the shafts that gears are mounted on. Formulas have been developed and standards established to make gear design and application as easy an endeavor as possible.


This 4 PDH online course is intended for mechanical engineers who want to broaden their background in mechanical power transmission. It is also intended for non-mechanical engineers or other technical professionals who are interested in some of the basics of mechanical power transmission; and in particular, the field of gearing.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Understanding the many terms and equations used to define and calculate gear and gear teeth parameters
  • Knowing the four basic types of gears, how they differ, and how they are used
  • Familiarizing with some of the materials, processes, and design features used in manufacturing gears
  • Learning how to design a gear spurset using power rating formulas from the AGMA (American Gear Manufacturing Association)
  • Learning how to design gear rims and shafts using formulas from the AGMA and ASME (American Society of Mechanical Engineers)
  • Learning about the various design alternatives that are available to improve the performance of gears
  • Learning how to calculate the power rating of helical and bevel gears
  • Understanding how gears are used and mounted in four different mechanical power transmission devicesa
Course Document

In this professional engineering CEU course, you need to review the course document titled, "Basic Gear Fundamentals".

To view, print and study the course document, please click on the following link(s):
Basic Gear Fundamentals (1.8 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of thirty (30) questions to earn 4 PDH credits. The quiz will be based on the entire document.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: