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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Mold filling mechanism of lost foam casting
The main difference between lost foam casting and other castings is that the pattern remains in the mold. When the
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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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Constrained modal analysis results of tractor gearbox shell casting
Constrained modal analysis of tractor gearbox shell casting refers to the modal analysis carried out by simulating the connection between
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Force of other tractor castings on gearbox housing
Through the actual observation of the assembly and connection relationship of tractor castings, we can know that the engine, gearbox
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Free modal analysis results of tractor gearbox shell casting
Through the free mode calculation results, it can be seen that the first six modes of the gearbox shell are
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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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Boundary treatment of tractor gearbox shell casting
In order to facilitate the calculation and accurately reflect the actual working environment of the gearbox, the working environment of
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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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Application example of shell casting crankshaft
After the development of S1100 diesel engine crankshaft shell casting production, entrusted by other factories, the crankshaft shell casting process
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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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Verification of lost foam casting process for axle housing of cast steel engineering
After trial production for many times, a set of skills of white mold burning empty shell of stmma bridge shell
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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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Graphite morphology of vermicular graphite cast iron
The grade of vermicular graphite cast iron is: rut + Digital. In the brand, “rut” is the capital prefix of
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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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Basic parameters of casting materials for tractor gearbox housing
The casting material of tractor gearbox housing is nodular cast iron QT450-10. The material properties are given to the meshed
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Crack characteristics of bucket teeth in Squeeze Casting
1. Defect characteristics Pores are found around the hot joint of the cut workpiece, and pores are also found on
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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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Simulation and verification of casting process optimization of excavator rear axle
1. Simulation of mold filling process of excavator rear axle casting After improving the process, the mold filling process of
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Selection of foam bead and coating for lost foam casting of axle housing for steel casting
Due to the structural characteristics of the axle housing, the spiral case opening can only be placed upward and horizontally.
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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