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 […]
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Pouring temperature of nodular cast iron
It is recommended that the optimum spheroidizing temperature range is 1420-1480 ℃, the spheroidizing temperature of nodular cast iron is
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Analysis and design of crankshaft shell casting process
Through research and production practice, the following key problems must be solved in order to produce high-quality and mass qualified
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Die design of diesel engine crankshaft casting
1. Design of formwork thickness The following contents shall be considered in the design of formwork: (1) the mold shell
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Analysis of mold filling and solidification process of top injection gating system for tractor box sand casting
The top pouring system of sand mold casting for tractor box adopts rain pouring, which is divided into four oval
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Study on crankshaft shell casting
Since the development and popularization of the process of producing crankshaft with iron film coated sand in the 1970s, due
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Increasing pouring speed and reducing sand hole and air hole defects of large steel castings
① Increase the diameter of ladle nozzle and the size of gating system; ② Increase the number of ladle nozzles;
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Development and application of shell casting in China
Although the application of shell casting in China is more than ten years later than that in foreign countries, it
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Crankshaft shell casting process design
The shell mold casting process of S1100 single cylinder diesel engine crankshaft was studied. S1100 single cylinder diesel engine crankshaft
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Shanghai Diesel Engine Co., Ltd. Foundry Branch
Company profile: The Foundry Branch of Shanghai Diesel Engine Co., Ltd., located at No. 2636, Jungong Road, Shanghai, is a
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Prevention measures of sand sticking casting defects of excavator bucket teeth
Therefore, we analyze and sort out the causes of sand sticking in cast wear-resistant low alloy steel and the preventive
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Development and application of shell casting in foreign countries
In 1940, Johannes Croning, a German engineer, invented the thermal method for manufacturing shell mold, which is called “C” method
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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