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High quality, best performances

During the years experience and technological development we have improved the product in its details and also in performance, in order to optimize time and quality during work.


  • It keeps constant circumference on the diameter of the coils of the big transformers;
  • Our mandrel can be personalized according to the needs of Customer;
  • Motorized system of opening and closing mandrel;
  • A monolithic structure stands the torsion and eliminates the risk of ovality during winding;
  • The running support by means of levers which make the cylindric al shape;
  • The wood covering allows to obtain the perfect cylindrical shape of the mandrel;
  • Mandrel can be used both in horizontal and vertical positioning;
  • Details and performance are able to optimize time and quality during work of winding coils;
  • All mandrels are tested.