Main gearbox lower housing casting descriptions:
The figure as shown is FD2250G lower box, a lower box of wind turbine gearbox supplied to NGC. As the box needs to contain oil, it has a high requirement for casting appearance and needs to be performed with oil-containing test. With the casting grade of EN-GJS-400-18, the casting shall have a certain strength and good ductility.
Our company has also supplied similar wind turbine lower boxes to NGC such as: FD2350Y lower box, FD2350YC lower box, FD2270 lower box, FD1660BW lower box, FD1760Y lower box, FD2250B lower box, FD1760Y lower box, FD1660E lower box, FD2250Z lower box, FD2500DB lower box and FD1760YD lower box etc.
The weight range is basically between 700kg and 3 tons.
Weight: 2.5 ton, drawing No.: FD2250G-01-39R1, material: EN-GJS-400-18
Packaging: After being processed, it is packed with wooden pallet for preventing the machined surface from damage. White primer is applied for non-machined surface while the machined surface is coated with anti-rust oil.
Currently, the investment in Phase 1 amounts to RMB ￥80，000，000 and this company has established an annual capacity of 60,O00t cast products with a single article up to 70t.
wind power generation parts (GJS-350-22U-LT, QT40O-18AL and QT700-2A), plastic injection molder parts (QT450-10 and QTS00-7), mining vehicle parts (QT450-12), wear-resistant gray cast iron alloy for marine cylinder liner, heat-resistant strap vermicular cast iron and other Pastings.