We are professional manufacture of cold roll forming machinery.We produce many kinds of roll forming machine,wall panel forming machinery, roof panle forming machinery.We warmly welcome your inquiry detail technic and parameter from us !cold roll forming machine roll forming machine roll forming machinery flat sheet forming machine color steel machineryMain frame: Forming speed: 12 15m/min Forming steps: 18 steps Machine sheet: all adopt China standard 36# H-section steel after welding. Main axis: 45# (hardening and tempering) F Diameter of axis: 90mm Techniques: rough machining--------finish machining Forming roller diameter: 70mm Chrome thickness: 0.05mm Material: high quality 45# steel (vacuum hardening) Techniques: rough machining--------finish machining-------pained chrome Machine sheet: all adopt welding steel structure Material: A3 Thickness: 16mm Transmission: adopt chain and gear wheel transmission mode Name: sleeve roller chain F Model: 12A Pedrail heat-treatment: HRC45-50o Electrical machine: adopt domestic well-known electrical machine we also can do a custom-made roll forming machine, i.e. We can design the machine according to your specification and profile drawing. more details , please contact us without hesitationShanghai Nuo Fei Electrical Machinery co.,ltd. Ms. Cindy