YX65-300-600 Automatic CurvedMachine for Standing Seam Roof Panels, Metal Bending Machine and Bending Machine with Ajustment and with Convex Curved and Concave Curved: Main Technic Parameter: Main Motor Power:4KW; Motor for Changing Models Power:0.75KW; Bending Thickness:0.4-1.0mm; Bending Speed:16m/min; Min. Curved Radius: positive curved 4m, oppositive curved 6m; Feature: Can automatically adjust and bend the standing seam roof panels to Arc-shape, Wave-shape and S-shape; Can automaticallyadjust and bend anymodels from 300mm to 600mm, and can curved roofings with convex and concave shapes