Casting technology of diesel engine crankshaft
The production of crankshaft blank by wet mold sand process is still the main traditional casting process, while the representative […]
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Analysis of sand sticking on the surface of cylinder block and sintering in inner cavity of cylinder block sand casting
A new type of cylinder block EA888 is a high-end sand casting. Due to its complex structure and wall thickness
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Design of high temperature and high pressure valve casting process
There are many problems to be solved in the valve casting process, and relevant personnel should focus on the following
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Pouring time of tractor box castings
The weight of tractor box castings is 205KG, and the estimated gating system mass is 20kg. According to the manual,
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Sectional area ratio of each sprue for sand casting
The choke cross-sectional area, i.e. the cross-sectional area of the ingate, is designed according to the choke section method. After
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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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Technology of nodular cast iron crankshaft for diesel engine
Crankshaft is not only the main key transmission part of engine, but also an important safety part. When the engine
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Characteristics of SAF2507 super duplex stainless steel
(1) Super duplex stainless steel SAF2507 has good chloride stress corrosion resistance under low stress. Generally, 18-8 austenitic stainless steel
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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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Production and development of super duplex stainless steel SAF2507 valve casting
SAF2507 is the third generation of super duplex stainless steel, American Standard (national standard ZG 00Cr25Ni7Mo4N). Its microstructure has an
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Numerical simulation technology of sand casting
Experts and scholars at home and abroad have studied the application of numerical simulation technology in the fields of sand
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Numerical simulation of solidification process of sand casting for tractor box
(1) The simulation flow of numerical simulation software is introduced, and the setting of simulation parameters of reducer box body
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Pressure casting of motorcycle aluminum alloy wheel hub
The so-called pressure casting mainly refers to the aluminum alloy wheel hub casting obtained by filling the liquid metal into
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Reduce sand hole and air hole defects of large steel castings
How to overcome the shortcomings of quartz sand and significantly reduce the sand holes and pores of large and medium-sized
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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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Dongfeng Automobile Co., Ltd. casting branch
Company profile: Dongfeng Automobile Co., Ltd. Foundry Branch is located at No. 1, Checheng Avenue, Xiangfan City, Hubei Province, covering
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Manifestation of defects in bucket tooth bonded sand casting
At present, the manufacturing processes of excavator bucket teeth in China mainly include sand casting, forging manufacturing and precision casting.
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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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Classification and materials of box castings
According to the function of box casting, it can be divided into transmission box casting, pump body and valve body
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Sectional area ratio of each sprue for tractor box casting
The design of casting process of tractor reducer case is studied. The main research contents include the following parts: (1)
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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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Research on vibration technology in casting forming
More than 100 years ago, Chernoff applied vibration during ingot forming, and the grain of ingot casting was refined. With
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Numerical simulation technology of sand casting
Numerical simulation of sand casting process is an interdisciplinary subject involving various disciplines such as information, materials, mechanics and computer.
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Coating technology of motorcycle aluminum alloy cast wheel hub
The appearance forms of aluminum alloy casting hub mainly include coating and electroplating. Painting colors include sports silver and silver
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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