... : de-coiler, Inner expanding type, capacity:5T4.1.2 Drive 2KW Frequency conversion motor4.1.3 Inner diameter material roll: 500 ... ~520mmOuter diameter material roll: ≤1600mm4.1.4 Inductor ... torii type, material:HT200462 Roll forming rack: 16 sets463 Axis diameter: ¢70mm, material: 40Cr quenching treatment 464 Material: GCr15, ...