(1) Material of frame : (high grade) 80mm H shape steel welding (2) Thickness of middle plate : 12mm (3) Step of forming roller : 4steps (4) Diameter of shaft (solid shaft): 61mm (5) Material of shaft (solid shaft): (high grade) 45# Steel, quenching and tempering treatment (6) Treatment of rollers : hard chromize coated (7) Drive type of roll forming machine : drive by chain (8) Chain : 19.05 mm (high grade) (9) Bearing : 6210 (high grade) (10) Reducer : 5# (high grade) (11) Power of main motor : 2.2KW (12) Voltage : 380V/50Hz/3phase (13) Line speed : about 10-12 m/min (14) Feeding width : 1000-1200mm (15) Suitable coil thickness : accepted thickness for steel coil is 0.35mm-0.50mm. (16) Cutter : 3sets (21) Appearance size of main forming machine : 1.5m (length)*1.0m (width) *1.2m (height) (22) Weight of main forming machine : about 0.9T (29) Electrical parts : DELIXI or CHINT 2). we can customize the design and fabrication on the particular type of machine according to the request of customer.