... operation 3,low price Steel Ceiling Channel Roll Forming 1. The Chart of Process Flow Decoiling--active ... to length--product to stand2. Main Equipment Decoiler, main forming machine, hydraulic pressing, hydraulic cutting, product stand, hydraulic ... Coil material thickness1.5mm- 3mm2. Process flowDecoiling--feeding---forming---cutting---production3. Manual decoiler3.1 Material coil inner diameter450mm ...