Improvement of spheroidizing method in the casting process of nodular cast iron
In the production process of nodular cast iron, a certain amount of additives should be added to the molten iron […]
In the production process of nodular cast iron, a certain amount of additives should be added to the molten iron […]
In order to adjust the sand temperature, the air temperature must be considered. Although the curing reaction of resin sand
High temperature alloy precision casting is widely used in advanced weapon equipment, such as turbine case of aircraft engine, interstage
With the introduction of a large number of social cars, the demand for this kind of consumption parts of the
1 Advantages of lost foam casting (1) In the casting process, there is no need to lower the core, and
From the air pollution prevention and control law issued by the State Council and the Ministry of environmental protection, we
Sand casting is a casting method in which the metal liquid fills the mold cavity under the action of gravity.
In order to draw the casting process diagram, the following process parameters must be selected after the casting scheme is
In recent years, although nodular iron castings, vermicular iron castings and various light alloy castings have been developed rapidly, but
The key technical indexes of casting coating have great influence on the quality of casting, as follows. Influencing factors of
The service performance of nodular cast iron is mainly determined by the microstructure and casting defects, among which the microstructure
With the rapid development of aviation manufacturing industry in recent years, large-scale precision titanium alloy castings are more and more
In recent years, the development of nodular cast iron is very fast in our country. The proportion of nodular cast
In the process of solidification and cooling of sand-clad iron mold casting for pump valve castings, there are many cores
As the core part of internal combustion engine, crankshaft plays an important role. Due to the different number and size
The choice of parting surface is also one of the key factors for the casting process. If the casting is
Gray cast iron characterized by flake graphite has certain strength, hardness, modulus of elasticity, shock absorption, wear resistance and thermal
In many occasions, some people often mention the problem of trace elements in cast iron, which is also the concern
Generally, for a qualified casting coating product, in order to ensure the normal realization of the function of the casting
Oxygen and sulfur are the main surface active elements, which have an important influence on the change of graphite base
Furan resin can be divided into urea formaldehyde furan resin, phenol urea formaldehyde furan resin, formaldehyde sugar alcohol resin and
As a commercial metal structure material, magnesium alloy has the advantages of high specific strength, good casting formability, superior damping,
The production practice of iron mold sand covered casting pump valve castings shows that the iron mold sand covered casting
Pump valve is a kind of equipment basic component with large quantity, wide range and various varieties, which is widely
The first step of casting production is to determine the casting process plan and draw the casting process diagram according
The transmission error of gear motion is the main excitation of gear vibration energy. In most gear equipment, it will
For the application of casting coating, brush coating, dip coating, flow coating and spraying methods shall be selected according to
Casting coating is one of the indispensable raw and auxiliary materials in the casting process, which has a significant impact
Aluminum alloy castings are widely used in advanced weapons because of their low density, high specific strength, good corrosion resistance,
The effect of mold conditions on the shrinkage tendency of castings is mainly due to mold wall expansion. On the