How to change size in 2 in 1 C channel roll forming machine ?

C channel roll forming machine popular sell in many countries, common thickness between 0.3-0.6 mm, Common speed 10-20 m/min, with servo motor speed can max reach to 30-50 m/min, we sell lots of such machine to Iraq, Egypt, UAE, Chile, Zambia, etc

C stud roll forming machine | Cd roll forming machine | C channel roll forming machine