Requirements for nuclear power valve castings
1.Requirements for casting material The composition and mechanical properties of the real object shall meet the standards specified in the […]
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Technical characteristics of lost foam casting and its development in China
Lost Foam Casting or Expendable Pattern Casting，It is also called Full Mold Casting。 It is coated with water-based refractories that
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Development prospect of low pressure casting technology
According to the principle of low pressure casting, the key of the process is the filling process. The solution of
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Quality requirements for nuclear power valve castings
In casting production, the word “quality” has two meanings. The first is the quality of the casting itself, that is,
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Main forming technology of wear-resistant plate
(1) Sand casting Sand casting is a process which uses sand mold to produce castings. Because of its low cost,
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Research status of filling materials for low pressure casting technology
One of the main purposes of low-pressure casting technology is to solve the contradiction between filling and feeding of the
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Application of gadolinium in casting magnesium alloy
GD is generally used to improve the high temperature strength and microstructure of cast magnesium alloy, and also to improve
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Repair welding of nuclear power valve castings
Because of the particularity of the working condition of nuclear power valves, the internal quality requirements of castings are very
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Development of squeeze casting industry scale
Squeeze casting (liquid forging) technology has been paid attention to by the industry, and has made great progress in recent
Scientific
Main failure modes of wear-resistant plate parts
In the working process of wear-resistant plate parts, media and materials often have a variety of effects on the workpiece.
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Research status of filling technology in low pressure casting
The basic principle of low pressure casting is: under the action of pressure, the liquid metal at a certain temperature
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Development of low pressure casting technology
With the rapid development of the world economy, the overall precision manufacturing of large thin-walled complex components has become the
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Future development direction of equipment and wear-resistant casting in sandstone industry
With the increasing efforts of the state to rectify the sand and stone projects, the demand for equipment and wear-resistant
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Casting process example of valve body
Take the valve body as an example to briefly introduce the casting process design. 1.Selection of pouring position and parting
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Process design of sand coated external chill for large cast steel gear
At present, the traditional casting technology of riser plus allowance is generally used in the production of large cast steel
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Main materials of wear-resistant plate parts
Steel wear-resistant materials are basically used for large wear-resistant plate parts. At present, the wear-resistant plate materials that have been
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Current situation of equipment and wear-resistant casting in sandstone industry
Sandstone industry directly or indirectly affects the development of some industries, such as construction industry and cement industry. With the
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Mechanical properties of Magnesium Alloy Squeeze Casting
Magnesium alloy squeeze casting forming technology is an advanced technology, is an ideal near net forming technology, especially suitable for
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Improving process equipment to reduce the crack of aluminum alloy wheel hub in low pressure casting
Aluminum alloy hub has many incomparable characteristics with steel hub, so aluminum alloy hub has been widely used in cars,
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Application of titanium and titanium alloy castings
Titanium and titanium alloy have many excellent properties, such as low density, high specific strength, corrosion resistance, small linear expansion
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Internal stress, deformation and crack in valve casting
During the continuous cooling process after solidification, if the solid shrinkage of the casting is obstructed by Yin, the internal
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Application of liquid die forging for large wear-resistant plate
Large wear-resistant plate is a kind of wear-resistant steel parts, the amount of which is second only to grinding. Among
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Discussion on high temperature tensile properties of high nickel austenitic cast steel for turbocharger shell by vanadium or copper
The volume fraction (3.3% – 4.6%) of M7C3 carbide calculated from two-step thermokinetics corresponds to the result (3.6% – 4.8%)
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Casting process of automobile industry castings
At present, the application of magnesium profile and deformation magnesium alloy in automobile is less (the average magnesium consumption is
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Application of magnesium alloy automobile parts in China and abroad
1. Application abroad Volkswagen is the first automobile company to apply magnesium alloy on a large scale in automobiles. As
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Advantages of magnesium alloy castings in automobile industry
The research shows that about 75% of the fuel consumption is related to the vehicle mass. Reducing the vehicle mass
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Experimental verification of the control of the airtightness characteristics of cast valves
The research team of ZHY casting decided to open the sand casting test mold first to verify the material fluidity
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Prevention method of valve casting shrinkage
Shrinkage is the physical nature of the alloy. Under normal pouring temperature, the shrinkage volume of the alloy with fixed
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Comparison of corrosion resistance between nodular cast iron and gray cast iron
1. Electrochemical test The results of electrochemical polarization test of grey cast iron and nodular cast iron are shown in
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Study on grain refinement of automobile aluminum alloy casting parts
ZHY casting takes a new type of alnbb refiner for casting aluminum alloy as the research object, and uses optical