Introduction to selecting the proper punch and die for air bending or bottoming when forming on a press brake. Includes charts and methods for selection.

The explanation and use of timing diagrams used in digital electronics to graphically show the operation of various circuits are given.

This video will guide you through the process of squaring a part on a milling machine.

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.

In this learning activity you'll explore the operation of frequency division using several different types of counters.

This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

In this animated activity, learners view the input and output leads of a JK flip-flop. They also see how it functions in each mode of operation. A brief quiz completes the learning object.

In this animated object, learners examine the operation of up-counters and down-counters for a programmable controller. A brief quiz completes the activity.