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CAT NO: DIDACTICNLE-Export-126002
Fatigue Testing Machine- Engineering Lab Training Systems.
Technical Description
Using this benchtop unit, the basic
principles of fatigue testing can be conveyed. A rotating metal test
bar, clamped at one end, is loaded using a spring balance with a point
force. This results in a cyclic bending load on the cylindrical
specimen. The amplitude of the cyclic loading can be continuously
adjusted using a threaded spindle with hand wheel. After a certain
number of load cycles, the specimen breaks as a result of material
fatigue. In this case the machine is shut down automatically by the stop
switch. The number of load cycles is counted by an electrical counter
and displayed digitally. This can also be used for measuring the speed.
Different shape specimens enable the influence of notching and surface
finish on fatigue strength to be demonstrated.
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