FLAIG TE PML Série Manuel D'emploi Et D'entretien page 15

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Warranty:
The nominal lifting power is based on a steel load with a greater thickness than the width of the polar
expansion. For any material other than soft steel the following reduction factors must be used to calculate
the appropriate lifting power:
alloy steel=0,8; steel with a high amount of carbon=0,7 ; cast iron=0,45
The thickness of the load also influences the lifting power of the hoister; for those thickness smaller than
the polar width there is a reduction, in the lifting power, proportional to the ration of the thickness and the
following width: K = S/I
The load temperature must not exceed 80ºC; for greater temperatures contact our technical staff.
Even though the magnetism works through non-magnetic bodies such as dusty air and non-ferrous
materials in general the best efficiency of any magnetic hoister is achieved when the poles (*) make good
contact with the load.
(*) "Poles" means only the areas or surfaces of the hoister which make contact with the load.
The force table / performance sheet (page 45 - 48) shows the drop of clamping force F (kgf) of the hoister
with increase in the airgap "T" (in mm), generated by anything improper such as spaces between poles
and the load such as calamine, foreign bodies, low places, protuberances, strapping, etc.
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