Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.
The Time Proportioning Operational Amplifier
By Terry Bartelt
In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.
Comparing Hydraulics and Pneumatics
Learners examine the differences and similarities between hydraulic and pneumatic systems.
Students examine the four factors that affect resistance of a wire: temperature, length, diameter, and the type of material from which it is made. A short quiz completes the activity.
Learners view animations showing methods of measuring the pH level of a solution using litmus paper and electronic instruments.
Shear - Hydraulic - Adira - Operator's Panel
By Dave Hoffman
Picture of Adira hydraulic shear's operator's panel with part identification and instructions on how to start and stop the shear as well as setting stroke (cutting length).
Calculating Bend Allowance for Press Brake Forming
Introduces two methods of determining bend allowance; one is simple and is an approximate, the other is more precise. Interactive part has learner calculate bend allowance and blank size.
Safety - Hydraulic Metal Shears
The learner reads about safety considerations for operating a hydraulic metal shear. Text, graphics and a brief assessment are included.
Safety - Hydraulic Iron Worker
In this learning activity you'll review safety considerations for persons using a hydraulic iron worker and takes a short quiz.
Safety - Hydraulic Press Brakes
In this learning activity you'll review safety considerations for using hydraulic press brakes.
The initial illustration shows a cylinder that needs to EXTEND to raise the load! However, the remainder of the example shows a cylinder that must RETRACT to raise the load!!!
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