Three dimensional geometric modeling of engine cylinder head in sand casting
Ugnx8 0 software to model the three-dimensional model of sand casting engine cylinder head. UG NX is a new generation […]
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cylinder head
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Sand casting engine cylinder head
The casting blank of automobile engine cylinder head produced by sand mold gravity casting is shown in Figure 2-1. ZL105
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Casting technology of engine cylinder head
The engine is known as the “heart” of the automobile, and the cylinder head is one of the most important,
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Sand casting of automobile engine cylinder head
In the new era of the 21st century, China’s automobile industry is booming and has become a pillar industry of
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Analysis of factors affecting the surface hardness of gray cast iron cylinder head
1.Effect of aging treatment For the engine parts of gray cast iron cylinder head, such as cylinder block, cylinder head,
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ZHY Casting Grey Cast Iron products – cylinder block and cylinder head castings
For a long time, the cylinder block and cylinder head have been made of gray cast iron. Due to the
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The second and third trial production of cylinder head castings
The original material of zc170 cylinder head is HT300, the technical requirements are WCu = 0.5% ~ 0.8%, WCR =
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First trial production of cylinder head casting
1. Primary raw materials Q12 pig iron, industrial scrap, vermicularizing agent (wre = 9% – 11%, WMG = 4% –
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Annealing residual stress removal and tensile strength and hardness of high strength cylinder head castings
Three kinds of annealing process were selected, and the annealing time was 18 h, 11 h and 8 h, respectively.
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Effect of reducing residual stress in mold insulation of high strength cylinder head casting on tensile strength and hardness
The structure of 11 l engine cylinder head casting is shown in Figure 1, and the overall dimension of the
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Process optimization for reducing stress of high strength cylinder head casting
Through the above analysis, the process was optimized: the furnace holding time was extended to about 8 h, the temperature
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Structure reduction and stress relief process of high strength cylinder head casting
The structure of a 13 l cylinder head casting is shown in Figure 1, and the overall dimension of the
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Reducing residual stress of high strength cylinder head casting
The residual stress of cylinder head castings has always been an important problem in cylinder head casting. After casting, due
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Application of hydraulic fixture in the processing of casting cylinder head of steering cylinder
With the economic development of the country, all walks of life are developing rapidly, and the machinery industry is also
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Machining performance of engine cylinder block and cylinder head
The poor machinability is a common problem of Engine Castings in China, and it is also the biggest gap between
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Engine cylinder block and cylinder head produce casting leakage
Leakage refers to the leakage phenomenon of the cylinder block (cylinder head) during the pressure test (water pressure / air
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Engine cylinder block and cylinder head produce casting cleanliness
Modern engines have very strict requirements on cleanliness. For cylinder block (cylinder head) castings, only a few grams (g) of
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The engine cylinder block and cylinder head produce the casting veins
Usually in the inner surface or hot spot of the casting, such as the water jacket cavity of the cylinder
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The engine cylinder block and cylinder head produce casting sand holes
Sand hole is also a common defect of cylinder block (cylinder head) casting, which is often found on the upper
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Engine cylinder block and cylinder head produce casting porosity
Porosity is usually the most common defect in cylinder block castings, which often takes the first place in the scrap
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Engine casting cylinder block and head
With the rapid development of China’s automobile manufacturing industry, many high-end automobile brands have been launched almost at the same
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Casting shrinkage defects in engine cylinder block and cylinder head
The structure of cylinder block (cylinder head) casting is complex, and the wall thickness is quite different. The thick and
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Defects in the material properties of the engine cylinder block and cylinder head
Throughout the development trend of engine technology at home and abroad, we are pursuing to reduce the wall thickness of