Housing
Rigid frame, rugged welded steel fabrication (EN 10025 - S235 JR). Frame is provided with side ribs to increase the strength.
Marelli Motori generators for continuous duty operation are designed to meet vibration levels per IEC 60034-14, ISO 10816-1 and BS 5000-3.
Shield
Made of spheroidal graphite cast-iron (EN 1563) or grey cast-iron (EN 1561) up to 630 frame size.
Made of structural steel (EN 10025 – S235 JR) above.
Shaft
General data
Made in carbon steel and obtained by lamination (EN 10083–2 C40–TN).
Shaft is obtained by forging from 290 mm diameter and above.
The shaft is tested at the manufacturer in order to check it is defect-free. Shaft design
Double bearing generator: cylindrical shaft with key.
Main terminal box
Mounted on top.
Made of formable steels EN 10130.
Fan
Made of aluminum alloy (EN 1706) or structural steel (EN 10025 – S235 JR) depending upon application requirments.