Main casting defects of nodular cast iron
1.Shrinkage cavity, shrinkage porosity and casting defects Due to the characteristics of paste solidification of nodular cast iron, the produced […]
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Finite element method of tractor gearbox shell casting
Through CATIA, the 3D digital model of tractor gearbox shell casting is established, and the line 3D digital model is
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Rapid casting sand blank forming of tractor small parts
The die-free casting precision forming machine uses the milling method to complete the processing and forming of sand mold and
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Research on fault detection of bucket teeth of mining excavator
Starting from the application background and application status of open-pit mining excavator, this paper discusses the importance of fault detection
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Casting properties of vermicular graphite cast iron
The as cast matrix structure of vermicular iron is characterized by high ferrite content (40% ~ 50% or higher), but
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Static analysis of tractor gearbox shell casting
Tractor gearbox is the core component of the whole transmission system. The force generated by its internal gear meshing transmission
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Process precautions of nodular cast iron
（1） The chemical composition is strictly required. The carbon and silicon content of raw molten iron is higher than that
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Factors affecting precision of lost foam casting process
In lost foam casting, under normal circumstances, there are many factors affecting the dimensional accuracy of casting, such as the
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Rapid casting method and process flow of tractor small parts
The mold free digital precision forming machine is used to realize the milling and forming of glass sand and resin
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Development of lost foam casting in China
In recent years, lost foam casting has developed rapidly in China, and the development results are also gratifying. Among them,
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Development history of lost foam casting
In 1958, H.F.shroyer of the United States invented patent technology for making metal castings by using foamed plastic pattern and
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Inoculation treatment and heat treatment of gray cast iron
The key to improve the mechanical properties of gray cast iron is to improve the shape, quantity, size and distribution
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Advantages of wear-resistant parts of sand casting crusher
The wear-resistant parts of sand casting crusher are still very common in China, such as jaw plate, high chromium plate
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Research on fault detection of bucket teeth of mining excavator
This paper studies the bucket tooth fault detection of mining excavator bucket, combines digital image processing, computer vision and other
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Chemical composition of vermicular graphite cast iron
Vermicular graphite cast iron is a kind of gray cast iron with transition form between flake and spherical graphite. It
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Numerical simulation of box casting process
The filling process and solidification process of typical box castings are simulated by using the casting process numerical simulation software.
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Numerical simulation of box casting forming
Based on the box casting simulation technology and different process schemes, the simulation software ProCAST is used to simulate and
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Control of molten steel quality to reduce sand hole and air hole defects of large steel castings
The market has higher and higher requirements for the quality of large and medium-sized steel castings. The castings requiring ultrasonic
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Lost foam casting process control
Lost foam casting process includes riser system design, pouring temperature control, pouring operation control, negative pressure control and so on.
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Problems in lost foam casting Process
The introduction of lost foam casting process by some manufacturers is not cautious and scientific enough, lack of in-depth understanding
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Main application of lost foam casting
The advantages of lost foam casting technology are more and more obvious, and many small and medium-sized enterprises have been
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Development of lost foam casting in China
In recent years, lost foam casting has developed rapidly in China, and the development results are also gratifying. Among them,
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Technical characteristics of lost foam casting
Lost Foam Casting (also called real mold casting) is a new type of casting method that combines the wax or
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Introduction to gray cast iron
Gray cast iron is one of the most widely used cast iron. Gray cast iron is a cast iron with
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Characteristics of chemical hardening sand casting process
The characteristics of chemical hardening sand casting process are: ① The strength of chemically hardened sand mold is much higher
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Research status of bucket tooth fault detection
Due to relying on manual inspection of bucket teeth, generally it can only be carried out when the shovel is
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Modal analysis of gearbox shell casting of high horsepower tractor
The deformation mode of the structure is determined by the external vibration mode of the tractor, and the deformation mode
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Properties of nodular cast iron are improved by adding rare earth
In terms of high strength and low alloy nodular cast iron, in addition to copper and molybdenum, nickel and niobium
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Inspection results of gear heat treatment items
The influence of pre heat treatment on gear heat treatment deformation, and the results are analyzed according to the scheme
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Development history of vermicular graphite cast iron
In 1947, H. morrogh, an Englishman, discovered vermicular graphite in the process of studying the treatment of nodular cast iron