The learner will understand the design of a planetary gear drive and its advantages and disadvantages.

The learner will gain an understanding of the inner workings of the cycloidal gear drive while watching a video and listening to an explanation of its features.

Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.

The learner will understand the inner workings of the strain wave gear principle.

Learners read an analogy comparing an electrical transformer to mechanical gears.

In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.

In this animated activity, learners examine the firing circuits in a DC variable speed drive. The circuits cause the current flow through the armature and rpm to vary. This activity has audio content.

Students follow steps to determine the number of inputs that can be driven by a specific IC. A sample problem is given.

In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.

This project gives a drawing with steps to complete the activity.

This project gives a drawing with steps to complete the activity.

In this video, you’ll learn how to make changes to an engine lathe.

In this animated and interactive object, learners follow steps that begin with choosing the correct drive roll and include feeding the electrode wire from the spool to the welding gun.

Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.

In this animated activity, learners examine the circuitry in a DC variable speed drive that keeps the motor running at a constant speed as the load varies.

In this animated activity, learners examine the circuitry in a DC variable speed drive that causes the motor to accelerate or decelerate at slow rates. This learning object has audio content.

In this screencast, learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

In this animated object, learners examine a closed-loop feedback system that uses digital circuits to control the position of a gear rack.

Learners will understand how binary-coded decimal information is decoded and used to drive a seven-segment display.