Effect of vibration frequency on graphite morphology of vermicular graphite cast iron
The figure shows the graphite morphology of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the […]
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Scientific
Sand casting technology of shearer rocker arm shell
If the sand mold casting process is unreasonable, the local hot spots of the casting shell will increase. In order
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Composition of casting coating
Casting coating is a commonly used auxiliary material in casting production. It is a physical suspension dispersion system in colloidal
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Casting technology of gray cast iron engine cylinder block
The growth mechanism of tin crystal was discussed by means of lower microstructure observation and thermodynamic calculation. The effects of
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Numerical simulation of lost foam casting process
Lost foam casting is also called dry sand or negative pressure full mold casting, and its casting principle is shown
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Microstructure of lost foam casting rod mill liner
Fig. 1 and Fig. 2 show the microstructure of as cast ZGMn13 and zgmn17 lost foam casting liner samples, respectively.
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Casting technology of lost foam casting shell
Lost foam casting Name: 105 type cable head; Material: ZG310-570; Geometric dimension: 620 mm × 290 mm × 210 mm；
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Titanium alloy automobile connecting rod
Some manufacturers use high-strength titanium alloy to cast connecting rods, which are light in weight and insensitive to stress concentration.
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Advantages of forging residual heat quenching process
Application of forging heat quenching process: 1) The connecting rod produced by forging heat quenching has higher strength and toughness
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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) –
Scientific
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