Ductile iron gearbox main shaft sleeve introduction:
The spindle sleeve used by NGC wind power.With the casting grade of EN-GJS-400-18, the casting shall have a certain strength and good ductility. The spindle sleeve is one of the earliest wind power gear box castings provided by our company for NGC.The quality has been good.
Large castings in early NGC wind turbine gearboxes,models have FD1775 and FD1775B.
Early casting，no processing, no paint