Effect of metal static head on mold filling and solidification in lost foam casting
Some studies have pointed out that the cross-sectional area of each component of lost foam casting gating system, the size […]
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Causes of shrinkage cavity and porosity casting defects
There are many reasons for shrinkage and porosity casting defects in castings. Deficiencies in product structure, smelting process, core sand,
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Shrinkage defects of high-grade gray cast iron cylinder head of large diesel engine
With the continuous improvement of the quality requirements of diesel engine products in the whole machine factory, higher and higher
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CB2 steel castings for 620 ℃ high efficiency thermal power units
With the increasing requirements of environmental protection, energy conservation and emission reduction, efficient, clean and low emission ultra supercritical power
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Large engine oil pan gray iron castings
The oil pan (oil pan) grey cast iron produced by ZHY casting is a large engine part. Its function is
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Effect of pouring temperature on mold filling and solidification of lost foam casting
The casting temperature of lost foam casting not only determines the type and quantity of the decomposition products of foam
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Kerosene leakage test of box steel castings
Some box type steel castings have the functional requirements to prevent the leakage of lubricating oil in the inner cavity
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Continuous improvement of process design for ductile iron castings
The most effective way to solve the internal shrinkage casting defects of nodular iron castings is to use chill and
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Foundry technology of ductile iron punch disc
The disc of ductile iron punch is an important part of high-speed punch. The main body of high-speed punch is
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Original casting technology of gray iron castings for large engine oil pan
Resin sand is used for molding and core making. The compressive strength of resin sand is 5~7 kPa. Zircon powder
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Effect of vacuum degree on mold filling and solidification of lost foam casting
In the process of lost foam casting pouring, vacuum the sealed sand box to generate negative pressure in the mold,
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Optimization of casting process for gray iron castings of large engine oil pan
The optimized casting process is shown in Figure 1. The production method of flat casting is adopted, the parting surface
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Introduction and characteristics of process design of nodular iron castings
When discussing the original process design of nodular iron castings, it is considered that there is a large hot spot
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Influencing factors of mold filling and solidification in lost foam casting
The mold filling ability of liquid metal in lost foam casting is the ability of liquid metal to fill the
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Lost foam casting process of nodular cast iron vacuum pump shell casting
The shell of the water ring vacuum pump used by ZHY Casting is welded with steel plates and processed into
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Casting technology of engine block
With the gradual increase of environmental protection, low energy consumption, low emissions and low pollution have become the goals of
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Optimization of smelting process in high quality production of steel castings
In view of the metallurgical quality requirements of high-quality steel castings, it is obviously incompatible to use the original smelting
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Mold filling and solidification in lost foam casting
Many advantages of lost foam casting technology come from the fact that it does not need to take the mold,
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Application of zirconium free composite coating on steel castings
In China’s casting industry in recent years, the output of steel castings has increased year by year, reaching 5.9 million
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Basic theory of numerical simulation of lost foam casting
The numerical simulation technology of lost foam casting is a comprehensive and knowledge intensive technology which integrates partial differential equation,
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Advantages of steel castings
Cast steel is the steel used to make cast iron. In the case of high casting production intensity and insufficient
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Overview of lost foam casting numerical simulation technology
In recent years, with the development of casting numerical simulation technology, there are many achievements in the application research of
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Advantages and disadvantages of high Si nodular cast iron
1. Advantages Referring to the Research Report of zhangboming et al. And in combination with the analysis and research of
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Influence of coating index on casting quality
Influencing factors of sand sticking defects of castings: unreasonable chemical composition of casting coatings; Insufficient fire resistance; Insufficient coating thickness;
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Research status of casting numerical simulation technology in China
Compared with foreign research, domestic research started late, and domestic research on casting numerical simulation technology began in the 1970s.
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Structure and technical requirements of nodular cast iron automobile brake caliper castings
With the rapid development of the automotive industry, the requirements for automotive castings are getting higher and higher, and the
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Research on foreign casting numerical simulation technology in the 1990s
In 1991, P. Jonsson simulated the filling process of cylindrical cavity in three cases. In laminar flow, Bernoulli equation is
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Characteristics of molding process for large steel castings
1. Application of resin sand process Ordinary sodium silicate sand process has been used in the production of large steel
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Centrifugal casting process of bimetal composite roll
China’s iron and steel industry has developed rapidly, and its output has ranked first in the world for many years.
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Effect of low carbon equivalent on Microstructure and properties of gray cast iron
Gray cast iron has become the preferred material for automotive parts such as engine and cylinder block because of its