Determination of technological parameters of sand casting
In order to draw the casting process diagram, the following process parameters must be selected after the casting scheme is […]
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
Classification of moulding sand: According to different binders, molding sand can be divided into: (1) Clay sand (2) water glass
Basic casting theory and forming law Due to the lack of theoretical research, the complexity and uncertainty in the filling
The composition of white corundum is α – Al2O3, its content is over 98% – 99%, the impurity is very
With the combination of investment casting technology, automatic control, computer simulation and other advanced technologies, the filling performance of alloy
The control of molten iron temperature is generally divided into two aspects: one is the control of molten iron temperature,
1 Introduction to rapid prototyping manufacturing technology Rapid prototyping technology is a kind of technology that appeared and rose in
1. Test results and analysis Four kinds of suspending agent: HB type suspending agent, Henan Xinyang bentonite, Hebei Zhangjiakou bentonite,