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During the lifting process, at least 2/3 (red area) must be fully inserted
under the load. In order to use the theoretical maximum lifting force, the
entire effective area (red + green area) must be fully underneath the load
to be lifted and pressure must be applied to the lifting bag with the max.
permissible operating pressure.
With increasing height, the lifting bags takes on a flattened spherical
shape; under certain circumstances the load will rotate around a pivot
point due to a one-sided lifting process. That reduces the contact area
to the load up to the predefined final lifting force at a defined lift height.
The lifting bag only reaches the greatest possible lifting height in the
unloaded state.
Effective area
Pay attention to the insertion height before use. Under certain circum-
stances, the load first has to be lifted with a flat lifting bag until there is a
sufficiently large opening.
In case the lifting power produced by the C.Tec Bag is not sufficient, de-
pending on the lift height, then a number of C.Tec Bags can be placed
next to each other. The lifting capacity doubles.
In case the lifting height is not sufficient when using only one C.Tec bag,
a maximum of 3 bags can be connected to form a lifting system using
the connecting pins when the load is non-slip. In this application, the
respective lifting heights of the C.Tec bags used add up. However, the
lifting force corresponds only with that of the smaller bag.
Maximum
lift height
Pivot
Insertion
height
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