... , trapezoidal section, rectangular section, combined section, etc. transformer core winding machine for CRGO cores round section, trapezoidal section, rectangular section, combined ... Suitable core sections: round, trapezoidal, round+trapezoidal, rectangle3 Max. core column diameter: plane 230mm; tridimensional 300mm4 Max. workpiece weight: 1.5T5 ... 1.5m x 1.4m13 Weight: about 2000kg core winding machine