Design principles of gating system for tractor box castings
The gating system of tractor box castings generally includes sprue cup, sprue, runner and inner sprue. Whether the gating system […]
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Production conditions and technical requirements of tractor box castings
The selected tractor reducer case is a large-scale casting designed by a company, which is produced in large quantities. It
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Effect of pouring temperature on the quality of sand castings
The pouring temperature of cast iron is generally controlled between 1360 ℃ and 1450 ℃. In this paper, the pouring
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Analysis of mold filling and solidification process of injection gating system in sand casting of tractor box
As shown in Figure 1, it shows the filling flow state and temperature distribution at different times when the intermediate
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Setting of simulation parameters for sand casting of tractor box
In the casting forming of tractor box, if the parameters are set improperly, such as the mold cavity is too
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Sintering quality of bonded sand in different parts of cylinder block sand castings
In order to study the distribution law of sand sticking sintering phenomenon in different parts of cylinder block, an experiment
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Molding materials for box casting
Molding materials play an important role in casting production. According to statistics, one ton of new sand is required for
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Prediction of shrinkage cavity and porosity casting defects in sand castings
The numerical simulation of sand casting defects is based on the temperature field and shrinkage cavity and porosity criteria during
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Fundamentals of hydrodynamics in mold filling process of sand castings
Filling process is one of the main contents of sand casting process. Complex physical and chemical phenomena such as heat
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Analysis and Discussion on metallographic spheroidization detection of valve castings
The detection and analysis show that the main reason for the crack of the valve body is that it has
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Aluminum alloy materials for automobile engine cylinder block
In order to reduce the energy consumption of automobile and the pollution of exhaust gas to the environment, the development
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Analysis of metallographic spheroidization of high temperature and high pressure valve castings
Through magnetic particle testing, it was found that there were multiple cracks on the shoulder behind the furnace on the
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An important embodiment of the forming of motorcycle aluminum alloy wheel hub
The molten metal is poured into the hollow mold and cooled to form a product with the desired shape. This
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Sand mold technology of foreign automobile engine cylinder block
German EB company is a famous foundry enterprise in the foundry industry. It is a family factory with a history
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Lost foam process scheme for bucket teeth of excavator
1. Pattern making The quality of pattern is one of the keys to the success or failure of lost foam
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Casting of counterweight iron for Liebherr excavator
The counterweight iron material is HT100, and the structure is shown in Figure 1. It is a “bread” shape, on
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Lost foam casting technology of automobile engine cylinder block
Lost foam casting technology is made of polystyrene foam through the foaming process and the shape of the needed castings.
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Application of heating riser in ZG1Cr13 high pressure valve casting
High pressure valve is one of the main parts of oil and gas production wellhead device, and its body structure
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Over solidification process and defect analysis of mold filling in investment casting
The casting simulation software ProCAST can predict the casting defects such as shrinkage porosity, shrinkage cavity and slag inclusion in
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Quality control of high temperature and high pressure valve castings
The process scheme is put into production after being determined by casting CAE simulation, and all valve castings are qualified
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Design of gating system for high temperature and high pressure valve casting
The alloy element Cr content of cf8c material is high. The high melting point of Cr increases the liquidus temperature
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Casting process design of high temperature and high pressure valve
Although there are differences in local structure of valve castings of hydrocracking unit, the common structural feature is that the
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Process requirements for high temperature and high pressure valve castings
The working environment of valve castings for petrochemical industry has the characteristics of high temperature, high pressure and hydrogen (including
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Low pressure die casting forming technology of automobile engine cylinder block
Low pressure die casting makes the metal liquid fill in the anti gravity direction by controlling the gas flow. It
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Analysis of surface hardness and mechanical properties of gray iron castings for valves
The national standard GB / T 9439-1988 gray iron castings divides the inspection of mechanical properties into tensile strength and
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According to the crack defect control measures of duplex stainless steel valve castings
1. Improve the concession of sand core In order to ensure that the high-temperature strength of the sand core of
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Design and parameter setting of gating system in investment casting
The pyramid lattice sandwich structure with core member length L = 32mm, core and panel angle w = 60 °
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Optimization of investment casting process parameters to avoid casting defects
Pouring temperature, shell preheating temperature, investment casting pouring speed and other process parameters are very important to the molding quality
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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
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Casting technology of nodular cast iron valve
The quality requirements for nodular cast iron valve castings are very strict, the body spheroidization rate is above grade 3,