Application and control of casting coating density
Uniform and stable coating composition is the basis to ensure the coating process performance, which belongs to static control for […]
Scientific
News
Experimental scheme of split Hopkinson pressure bar for vermicular graphite cast iron.
Hopkinson pressure bar equipment can flexibly replace sleeves of different diameters, corresponding to incident rods and transmission rods of corresponding
News
Automatic cleaning and grinding technology of steel castings
As a big foundry country, the development level of China’s foundry industry is constantly improving. However, the problem of casting
Scientific
According to the casting defects of gray cast iron cylinder body, type selection and coating formulation are developed
For different casting defects (such as sand sticking, porosity, sintering, veining, shrinkage porosity at hot spot, etc.), the foundry should
Scientific
The coating for gray cast iron cylinder block is selected according to the core assembly process and sand core
The gray cast iron cylinder body adopts the traditional horizontal pouring process, the sand core is dipped with coating respectively
News
Establishment of constitutive equation of coiled graphite cast iron GJY450
The relationship between stress, strain, strain rate and temperature of materials is its inherent property. There are many studies on
News
Solution of shrinkage defect in die casting front cover
With the development of automobile manufacturing industry, the requirement of reducing energy consumption is higher and higher. Automobile parts are
News
Development and research of vermicular graphite cast iron
In the 1950s, kdmills and other scholars discovered vermicular graphite cast iron, but it did not attract attention at that
Scientific
Optimization and simulation analysis of casting process
1. Defect analysis of original process plan In the original process, two blind risers are set at positions a and
News
Technology of wear resistant transmission connecting rod for automobile turbocharger
1. Process arrangement The whole process of turbocharger wear-resistant transmission connecting rod is as follows: 1.1 Division of processing stages
Scientific
Basic information of casting product for a high class valve body
1. Product structure and technical requirements The diameter of valve body is ϕ 254 mm, the maximum outline size of
News
Technical difficulties of automobile clutch Flywheel Casting
The structure of clutch flywheel casting is shown in Fig. 1. It is a typical small disc casting with diameter
Scientific
Improvement of casting process for automobile clutch flywheel
1.Runner 2. Runner cup 3. Riser 4, 5, 6. Ingate 7. Lap sheet 8. Sprue 9. Annular runner The original
News
Application of wedge block in casting process of automobile clutch flywheel
The clutch flywheel is one of the main parts of the automobile transmission mechanism, which is the key to cut
News
Experimental verification of slag inclusion defect of brake shell produced by Lost Foam Casting
In order to verify the correctness of defect cause analysis, the project team carried out process verification test. The test
Scientific
Analysis of slag inclusion in brake shell produced by Lost Foam Casting
1.Current process Due to the serious slag inclusion problem, the white mold material is replaced by stmma, the specific gravity
News
Slag inclusion defects of brake shell in Lost foam casting production
Lost foam casting technology is widely used in the foundry industry because of its advantages of small investment, low energy
Scientific
Improvement of casting process for excavator guide wheel
1、 Improvement measures for defects such as sand hole and air hole are as follows. 1) Properly increase sand mold
News
Casting technology of excavator guide wheel
With the continuous development of mechanization and integrated construction in China, the scale of construction machinery industry has been expanded
Scientific
Analysis of casting process of excavator guide wheel and confirmation of main factors
Through the analysis of the failure parts by using the main factor diagram method, the causes of the fracture of
News
Application of gradient riser in production of high carbon steel roll casting
The typical specification characteristics of section steel universal edging roll and special-shaped steel s-roll products are that the roll neck
News
Effective application of vermicular graphite cast iron in internal combustion engine
Internal combustion engine occupies a very important social position in power machinery. The internal combustion engine has high thermal efficiency,
Scientific
Riser design of high carbon steel roll casting
Riser is a kind of structure for storing liquid metal in the mold, which is used to compensate the possible
News
Analysis of graphite growth principle in Vermicular Graphite Cast Iron Technology
In order to have an effective understanding of vermicular graphite cast iron technology, we must have a comprehensive understanding of
Scientific
Riser design of high carbon steel roll casting
Through the observation of the defects, it is found that the defects are shrinkage porosity and shrinkage cavity, which are
News
Effect of vermicularization rate on internal porosity of castings
Diesel engine is widely used, working environment is poor, working time is long. Because the cylinder head of diesel engine
Scientific
Finite element analysis of casting process scheme for extra large crusher frame
1. Static structural analysis Finite element static structural analysis is carried out for the box type and deep cavity type
News
Often neglected metallurgical factors affecting shrinkage cavity and porosity of ductile iron
Although the metallurgical quality of molten iron is affected by many factors, foundry workers have found the quantitative index of
Scientific
Scanning detection process and image generation of casting water cooled shell sample
After the sample navigation is completed, the detection can be started, as shown in Figure 1. Move the sample table
News
Process improvement of valve plate defect of automobile gearbox in die casting production
1. Set ice pack and extend setting time appropriately Through X-ray examination and local dissection, it is found that the