Including machine frame, transmission system, electrical motor and forming system.
A: Machine frame adoptsframe structure with shot blasting and painting treatment
B: All rollers material adopt high quality Cr12 steel, with uenching treatment. All fabrication by ful CNC machines, to make sure the rollers with good rigidity and precision, and form perfect roofing sheet as per design.
C: Cycloidal pin gear speed reducer motor driven, the back/forward roller driven by chain, part of upper/lower rollers driven by gear
D: Adjust the excentricity of the passive rolls to adjuxt the distance between upper/lowe rollers for difference thickmess of sheet.
E: Adjust the distance the rolls to satisfy different width and height of the Z or C shape purlin, this adjustment is stepless, so could ge variety purlin size.
F: Overturn the single-side’s rolls to 180 to Exchange producing C&Z purlin, it is convenient and quick operation.