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Ductile iron valve body of excavator hydraulic control valve

Excavators are widely used in highway, bridge, construction, breeding pond, underground engineering, emergency excavation and other engineering construction fields. It is characterized by large power and high efficiency. The hydraulic multi-channel valve control system is one of the heart components of excavator, and the multi-channel valve body is its...

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Control of other elements in ductile iron

(1) Composition control and selection of as Cast Ferritic Nodular Iron: Micro hypereutectic composition, in which the carbon is slightly higher, but there is no graphite floating, the silicon content is slightly lower, the silicon content of inoculant should be less than 3%, the lower the manganese, the better,...

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Development of ductile iron valve castings

ZHY casting produced a batch of 500mm ductile iron valve castings for an enterprise in Japan. The valve is composed of valve body and valve plate. The outline dimension of the valve body is 770mm × 699mm × The pouring weight is 20350mm (see the following figure, the maximum...

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Spheroidizing process of lost foam ductile iron casting

As a high-performance material, nodular cast iron has been widely used in many industries. After years of development, the output of nodular cast iron is the second largest application material after gray cast iron. Therefore, more and more manufacturers are constantly optimizing and improving the process. The production process...

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