asymmetrical motorized cylinders of 3 rolls tr are machines designed to be functional in the sheet bending process. simplicity and versatility are qualities that allow an easy cylindrical and conical bending with a consid......asymmetrical motorized cylinders of 3 rolls tr are machines designed to be functional in the sheet bending process. simplicity and versatility are qualities that allow an easy cylindrical and conical bending with a considerable time reduction.