Ductile iron casting of planetary carrier Descriptions
The figure as shown is Flender's 4440 planet carrier, a planet carrier used for wind turbine. Flender (Flender Power Transmission (Tianjin) Co., Ltd.) has been successively investing in improving and perfecting mechanical processing, assembly and storage facilities so as to promote the localization process of full range gear reducer supply.
The material of such planet carrier is ductile iron 700, which enjoys high strength and high wearability. Such kind of planet carriers made by our company have excellent metallographic and mechanical properties. Besides, before delivery of planet carriers, each piece has been performed with UT, MT and VT test so as to ensure each of them to be quality product. Such kind of planet carriers cast also have the defects of shrinkage, slag inclusion and cold shut etc. However, the planet carriers cast by our company have perfectly solved the aforesaid problems. The planet carrier as shown in the figure is finished product. Our plant has not only a strong casting capacity but also an excellent processing means.
Our company provides not only planet carriers for wind turbine purpose but also industrial type planet carriers. For the planet carriers supplied to Flender by our company, the weight ranges from dozens of kilograms to 7-8 tons.
After being processed by our plant, it is packed with wooden pallet for delivery. The machined surface is applied with special anti-rust oil and the non-machined surface is coated with white primer.