BULLNOSING & CRANKING
Cranking Of Profiled Sheeting
Cranking of a profiled sheet incorporates
lateral rib indentations pressed in at uniform
distances which vary according to the radius
requirements.
NB. When ordering cranked sheets, details
should be given using our standard information sheet - please contact our technical
department at your nearest branch.
EXPANSION
It should be noted that Aluminium has an
expansion co-efficient which is twice that of
conventional steel substrates. If the sheet is
to be bullnosed on one end, then expansion
must be allowed for in the opposite direction.
STANDARD CRANK
Normally with the narrow flute uppermost and the bend away from the angular
inclination.
REVERSE CRANK
These drawings show the various types of Normally with the narrow flute downward
bullnosing and cranking available on UBL and the bend into the narrow flute. Apsheeting. Before production may commence, plies to pierced fix profiles only.
we will require a detailed drawing giving all
the required data, and duly authorized by the
customer.
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