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  Aerial
Man Lift devices are prone to damage, which will render
them unsafe,
mainly due to improper use (e.g. lifting weights with the boom). Regular
testing has been performed on the turntable, booms and basket of aerial
man lifts for many major users in the US and Europe.
To
test the equipment by Acoustic Emission,
Sensors are placed at
appropriate intervals along the
booms, on the basket, and the turn table. The device is loaded to the
proof load, as specified by the manufacturer (see picture) and any
structural defects critical for the loads experienced by the device
during the test, will evaluated against several criteria leading to a
criticality assessment of each indication. Detected defects can be on
any part of the device (100% testing) such as FRP sections, metallic
sections, basket pins etc.
The
test is rapid and is completed in a few hours.
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