Students view a video that shows the correct methods for starting a GTAW weld pool and adding filler. It focuses on the two problems that many students have – adding filler too soon and angling the torch so that the filler melts prematurely on the filler rod. Note: This activity is 3.6 mb.

This video will walk through how to calculate speeds and feeds for drilling parts on a milling machine.

In this animated object, learners follow a process for troubleshooting digital integrated circuits on a printed circuit board using a logic probe.

Students review the functions of the keys on the Starrett HB400 Optical Comparator controller.

Students view the formula for determining twist drill speeds in metal. Exercises complete the activity.

This project sheet outlines the steps for coolant inspection and charging.

Students view the formula for determining twist drill speeds in metal.

In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. A quiz completes the activity.

In this interactive object, learners examine sectional views used in engineering drawings. The sections shown are full, half, offset, aligned, revolved, and broken-out. Learners match drawings of sectional views with the names of the views.

You'll practice calculating and selecting the proper cutting speeds for various drill press operations.