Casting process of nodular cast iron piston ring of Japan piston ring company (NPR)
NPR’s foundry is located in Iwate, Sendai City, 250km away from Tokyo, in Northeast Japan. It was built in 194. […]
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Casting Technology of Flange Ball Valve
1.Modeling design According to the current casting process technology, it is decided to adopt the precision core assembly molding of
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Casting process of nodular cast iron piston ring of Goetze company in Germany
The company is one of the oldest Piston Ring Companies in the world, with a history of more than 120
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Numerical Simulation Analysis of Cast AnyCasting of Flange Ball Valve
The casting process design of the flange ball valve was simulated by AnyCasting. The solidification sequence of the flange ball
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Application of cylinder block casting enlarged core head structure
The traditional sand core head and the sand core head structure introduced in many manuals and textbooks can be summarized
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Factors affecting fatigue wear resistance of gray cast iron
Rolling fatigue contact is a very complex problem, so there are many factors affecting the fatigue wear resistance of gray
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Proportioning calculation of gray cast iron for test
In this test, 50KW medium frequency induction furnace is used for smelting, and each group of charge is 25kg. Proportioning
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Case analysis of automobile engine block casting
In order to effectively ensure the casting effect of automobile engine cylinder block, this time, taking the casting of an
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Analysis of solid-liquid phase distribution in solidification process of centrifugal casting cylinder liner
The distribution of the solid-liquid phase of the initial centrifugal casting process at t=150s is shown in Figure 1. The
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Analysis of temperature field in solidification process of centrifugal casting cylinder liner
The simulation results of the initial centrifugal casting process temperature field are shown in Figure 1. It can be seen
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Determination of casting process scheme of nodular cast iron intercooler base pipe
1. Nodular cast iron molding process The two box core molding is adopted to enlarge the sand filling core of
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Physical Model and Mesh Generation of Centrifugal Casting Cylinder Liner
The assembly diagram of centrifugal casting parts and molds is shown in Figure 1. The maximum diameter of centrifugal casting
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Study on casting technology of nodular cast iron intercooler base pipe
Nodular cast iron intercooler base pipe is an innovative design for the company’s large internal combustion engine. The material is
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Establishment of mathematical model for horizontal centrifugal casting
The filling process of horizontal centrifugal casting is characterized by free surface, viscous, incompressible and unsteady flow. Therefore, the fluid
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Cause analysis and solutions of crack defects in cylinder block castings
1. Location and shape of crack defects in cylinder block castings During the trial production process, cracks were found between
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Analysis and solution of crack defect of cylinder block casting
ZHY casting assisted in the development of a new 16 l natural gas engine. The cylinder block is one of
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Analysis and Study on the influence of cylinder casting defects on piston air leakage
At present, the requirements for energy conservation and emission reduction of passenger vehicles at home and abroad are becoming higher
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Fracture analysis of gray cast iron counterweight
The counterweight can adjust the service quality of the tractor and the mass distribution of the front and rear wheels,
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Performance test of gray cast iron
1. Hardness test The sampling position of the hardness sample of the gray cast iron cylinder block is shown in
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Observation and analysis of microstructure of gray cast iron
1. Metallographic observation The metallographic sample is taken from the gray cast iron cylinder body, cut and sampled with a
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Production of gray cast iron castings
Figure 1 shows the model and production flow chart of a high-strength gray cast iron engine cylinder block. The main
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Matrix texture and graphite state in gray cast iron
Gray cast iron is mainly composed of matrix structure and graphite, and others include eutectic, carbide and cementite eutectic. Its
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Microstructure and Properties of Si-Mn Alloy Nodular Cast Iron Grinding Ball
To do a good job of Si-Mn alloyed nodular cast iron grinding ball, first of all, spheroidize the nodular cast
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Solidification process of gray cast iron
Cast iron generally refers to multi-component iron carbon alloy with C content of 2.0% (wt%, the same below) W. Generally,
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Heat Treatment Process of Si-Mn Alloyed Ductile Iron Grinding Ball
The heat treatment process of Si Mn alloyed ductile iron is similar to that of other ductile iron, which can
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Supplement and optimization of practical production results and improvement scheme of long fork lost foam casting of nodular cast iron
The above improvement scheme is used to verify the pouring production. Figure 1 is the foam pattern cluster and the
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Selection of Quenching Medium for Grinding Ball of Si-Mn Alloyed Ductile Iron
The quenching medium used for nodular cast iron grinding ball should have the following two characteristics: 1) The quenching medium
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Simulation and result analysis of improved process of ductile iron long fork lost foam casting
The mold filling and solidification of the improved process are simulated, and the following results are obtained: 1) Results of
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Improvement scheme of lost foam casting process for nodular cast iron long fork
According to the trial production and simulation results of the two schemes of bottom injection and top injection, the bottom
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Modification of solidification calculation of nodular cast iron long fork lost foam casting
Comprehensively considering the solidification simulation results and trial production results of the two trial production processes of nodular cast iron