... different sizes through the replace punching moulds to complete. Forming machine is combined and adjustable, one set of combined rollers ... 860mm)2, Line speed:2.5-5M/min3, Continuous forming speed:10-15M/min4, Steel thickness:1-2.5mm ... feeding, JF21-200B punching, punching dies, guider, forming machine, cut-to-length device, collection table and electrical control.etc cable tray roll forming machine