The BA/CA/D Series, manufactured by Sica S.p.A.®, is utilized in a different variety of operations as a plastic processor belling machine that has a minimal consumption of energy and at the same time a dimension into its minimum. Furthermore, it has a heat system that includes a thermoregulated, hot air oven, permitting the even heating of the pipes in its exterior and interior. In addition, it has a system forming wherein the mechanical mandrel has included inserts that is flexible and a socking air-cooler with an air ventilation.