Uganda Baati Product Guide | Page 35

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. 35