Analysis of wear surface of casting liner
As shown in Figure 1: due to the impact of the grinding ball, the surface of the lining plate is […]
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Analysis of hardness and heat treatment process of high chromium cast iron
The service life of the liner depends on the hardness of the wear-resistant layer of high chromium cast iron, and
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Solution to local shrinkage crack casting defect of aluminum alloy cylinder head
With the implementation of the “Three Guarantees” responsibility system in the international automobile industry, the quality requirements of automobile parts
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Pour method of low pressure casting
In the early application of squeeze casting technology, the melt transportation was basically manual transportation and mold filling. The labor
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Mold filling speed of squeeze casting
The composite squeeze casting method adopts the closed mold filling method, which is similar to the indirect squeeze casting. Therefore,
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Effect of sample wall thickness on matrix structure of vermicular graphite cast iron
The figure shows the matrix structure of spiral cast iron with different wall thickness. Among them, figures (a) – (c)
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Sand casting of shearer rocker arm shell
Rocker arm shell is one of the important parts of shearer. The rocker arm shell of the shearer is a
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Microstructure and properties of gray cast iron engine block
Aiming at the process of producing gray cast iron engine block by sand casting, the casting process of gray cast
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Technical and economic advantages of developing microalloyed non quenched and tempered steel automobile connecting rod
The microalloyed non quenched and tempered steel has the advantages of simplifying the production process, improving the material utilization rate,
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Test materials and methods for water toughening treatment of lost foam casting lining plate
1. Test materials The test materials are as cast ZGMn13 high manganese steel and zgmn17 ultra-high manganese steel wear-resistant lining
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Surface morphology and properties of gray cast iron
Through the combination of experimental simulation and experiment, the improvement effect of laser melting, laser shock and graphitization annealing process
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Theory of forging residual heat quenching
Compared with ordinary quenching and tempering, the hardness, tensile strength, elongation and impact value of forgings can be increased by
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Powder metallurgy forging automobile connecting rod
Among the automobile connecting rods made of various materials, the powder metallurgy automobile connecting rod has advantages in hardness, wear
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Effect of sample wall thickness on primary austenite of vermicular graphite cast iron
The figure shows the primary austenite structure of nodular cast iron with different wall thickness. Among them, figures (a) –
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Slag hole defect of gray cast iron
There are many factors that cause slag hole defects, such as raw material composition of gray cast iron, slag removal
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Development of microalloyed non quenched and tempered steel automobile connecting rod
Microalloyed non quenched and tempered steel was developed in the 1970s with the international energy shortage. It is a special
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Solution to shrinkage cavity defect of nodular cast iron reducer shell by lost foam casting
There are two traditional solutions to the shrinkage defects of lost foam casting nodular iron castings. One is to set
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Thermal reconstruction and properties of surface microstructure of gray cast iron
The combination of laser melting, laser shock and graphitization annealing process of gray cast iron was applied to the study
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Cast automobile connecting rod
1.Pearlite malleable cast iron is the main material of automobile connecting rod. Its chemical composition is roughly 2.6%c, 1.4%si, 0.42%mn,
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Effect of sample wall thickness on graphite morphology of vermicular graphite cast iron
The figure shows the graphite morphology of vermicular graphite cast iron with different wall thickness. Among them, figures (a) –
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Slag hole casting defects of gray cast iron slag hole
Slag hole (including sand hole) is also one of the common defects of gray cast iron cylinder block produced by
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Measures to solve the inclusion of nodular cast iron reducer housing in lost foam casting
The inclusion of reducer housing is related to the process characteristics of lost foam casting nodular cast iron, which can
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Effect of laser shock on graphitization annealing time of gray cast iron
The results show that the graphitization annealing of white cast iron takes a long time. When annealing at 800 ℃,
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Connection mode of quenching and tempering steel connecting rod forging and heat treatment process
At present, there are two typical ways of connection between quenching and tempering steel connecting rod forging and heat treatment
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Billet die forged connecting rod
In order to ensure that the connecting rod has sufficient stiffness and strength under the condition of light structure, in
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Heat treatment defects of automobile connecting rod
When mastering, producing and applying such new materials, especially under the condition of mass continuous production, the main obstacle encountered
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Effect of molten iron treatment temperature on graphite morphology of vermicular graphite cast iron
Y-shaped samples were used. The burden ratio was 85% of cast pig iron and 15% of Q235 steel. The addition
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Porosity casting defects of gray cast iron
Most of all kinds of porosity casting defects are located in the key parts of the cylinder block, and the
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Research status of microalloyed non quenched and tempered steel automobile connecting rod
Since the first microalloyed non quenched and tempered steel was successfully developed in West Germany, non quenched and tempered steel
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Improvement of white cast iron structure
The engine block is one of the most complicated parts in the cast parts, and various sand cores are needed