engine base
The frame is a fixed iron core, but in the suspended generator, it is the main component to support the quality of the rotating part of the whole unit, and it is welded by steel plates.
iron core
Generally, it is made of 0.35 ~ 0.5 mm thick fan-shaped silicon steel sheet coated with F-class insulating paint on both sides.
bent
The air-cooled stator winding is made of insulated flat copper wire and wrapped with insulating material.