Application case of 3D printing technology in sand casting
The components of an automobile steering gear are shown in Figure 1. The sand casting has complex structure, many processing […]
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Scientific
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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Advantages of 3D printing technology in sand casting
The emergence of 3D printing technology has certain advantages in additive manufacturing. At present, 3D printing technology has a very
Scientific
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
Scientific
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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Problems faced by sand casting industry
1. Self development Sand casting is the basic industry of industry and has an irreplaceable position. From high-end industrial machinery
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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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Casting Technology of Ductile Iron Cylinder Liner
As the core component of the engine, the cylinder liner has put forward higher requirements for various performances of the
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Application of 3D printing technology in sand casting
The traditional sand mold casting mode is to use mold modeling and sand mold combined pouring to form sand mold
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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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Arrangement of teaching links of sand casting
At the same time, the teaching content of spiral casting is optimized by consulting the teaching materials in the early
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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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Heat treatment equipment for nodular cast iron grinding ball
According to the characteristics of Si Mn alloyed ductile iron grinding ball, the heat treatment equipment should have the characteristics
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Characteristics and teaching of sand casting process
Casting is an important teaching module of metalworking practice course. Its teaching content is composed of sand casting, lost foam
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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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Study on heat transfer coefficient between medium core and casting interface in sand casting
The variation law of interfacial heat transfer coefficient of typical ZL101 Aluminum alloy ring sand castings with height of 150
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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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Analysis of back calculation results of interface heat transfer coefficient in sand casting
Based on the temperature field data measured by pouring experiment and the established matlab inverse calculation program, the interface heat
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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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Establishment of inverse calculation program for interface heat transfer coefficient in sand mold casting
It mainly arranges and analyzes the measured and back calculated data, calculates the interface heat flow and interface heat transfer
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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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Heat transfer coefficient between medium core and casting interface in sand mold casting process
At present, the research on the inverse calculation of interfacial heat conduction in sand mold casting process mainly focuses on
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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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Si-Mn alloy ductile iron grinding ball
In order to overcome the shortcomings in the traditional production of ADI grinding balls, it is necessary to find cheap
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High chromium cast iron grinding ball
High chromium white cast iron is selected as the grinding ball of high chromium cast iron, and the mass fraction