BULLNOSING & CRANKING
CRANKING OF PROFILED SHEETING
Cranking of a profiled sheet incorporates lateral rib castellations pressed in at uniform distances which vary according to the radius requirements.
Cranked sheets can be supplied in standard radii as follows:
When ordering cranked sheets, details should be given using our standard information sheet. Please contact the Technical Department
at your nearest branch.
Negative (reverse) Cranking on Saflok® cannot be performed due to the nature of the profile.
Profiles can be cranked in 275 & 550 MPa material.
DIFFERENT TYPES OF BULLNOSING AND CRANKING
These drawings show the various types of bullnosing and cranking available on Safintra sheeting. Before production may commence, we will require a detailed drawing giving all the required data, and duly authorised by the customer.
θ = Arch Angle
0 = Centre of the circle
R = Equal to radius (½ diameter)
During installation, clean the roof daily by removing all swarf, pop rivets and unused fasteners or any other debris.