... .3~0.8mmForming speed: 8-12 m/minMaterial of roller: high grade 45# steel ,plated hard chrome on the surfaceComputer adopt ... device,hydraulic station, PLC computer control, electric locking machine No. NameUnitQty 1Decoilerset1 2Main machine for roll formingset1 3Control systemset1 4Hydraulic systemset1 5Automatic cuttingset1 ...