Sand Casting Structure and Process Analysis of Complex Turbine Housing Castings
As shown in the figure, the turbine housing parts are complex in structure and moderate in batch. They are molded […]
As shown in the figure, the turbine housing parts are complex in structure and moderate in batch. They are molded […]
Casting refers to the production method of injecting liquid alloy into the casting to cool, solidify and aftertreatment the liquid
1. Analysis of Minimum Wall Thickness of Castings Considering the limited filling capacity of liquid metal, in order to avoid
1. Design of Sand Core Mould As shown in Figure 1, the center of part of core I volute is
Different casting methods require different molds. The sand casting mold for turbine housing castings mainly consists of the molds required
This kind of die-casting is a process between metal mold casting and die-casting. Under the action of pressure, the aluminum
1. Selection of parting surface and pouring position of casting According to the structural characteristics of the castings, the bottom
1.Casting Structural Characteristics As a flat casting, the cushion block is the main structural component of automotive driving equipment and
Pressure casting is called die casting for short. Under a certain pressure, the melt can fill the cavity. The structure
According to GB / T 1173-1995, the cast aluminum alloy code is composed of the letters “Z” and “L” (they
Aluminum alloy has a series of excellent properties and high efficiency of energy conservation and environmental protection effect. It is
Coating configuration and drying is one of the important links to obtain high quality castings. The role of sand casting
1. Application of rare earth Y, CE in AZ91 cast magnesium alloy The results show that the combined effect of
1. Application of mixed rare earth in high temperature creep resistant die casting magnesium alloy In view of the poor
It is beneficial to obtain castings with clear contour, precise shape, smooth surface and intact internal structure by mastering the
Y can improve the comprehensive mechanical properties of cast high magnesium alloy, refine the microstructure of rolled magnesium alloy, and
With the rapid development of automotive industry in recent years, in order to protect the environment, automotive manufacturers are striving
Nd is generally used to refine the grain and improve the mechanical properties of the cast magnesium alloy, and to
Vermicular graphite iron is an engineering material which was applied in 1970s. It has been applied in many fields and
In general, CE can purify the alloy, improve the mechanical properties of the alloy, refine the primary crystal phase of
During the extensive use of Ferritic Ductile iron, nickel is often added to improve its heat resistance. When the content
Rare earth elements are often added to the cast magnesium alloy to change the properties of the cast magnesium alloy,
Casting steel of supercritical unit steam turbine block is one of the important parts of thermal power unit. High-pressure inner
Ductile iron with ferrite matrix has certain strength, good impact toughness and plasticity, which can be obtained as-cast or by
Based on the fact that squeeze casting can form complex thick wall castings with dense internal structure and solution heat
In the 1940s, some scientific workers found that adding Ce, Mg and other elements into FERROCARBON alloys and nickel-carbon alloys
Semi solid processing is a new technology with rapid development at present. Due to the high quality characteristics of squeeze
1.Cause analysis and improvement measures It is analyzed that the main causes of casting scrap are: uncontrolled melting process, high
Magnesium alloy has the characteristics of low density, high specific strength, good rigidity, high modulus of elasticity, as well as
Every foundry enterprise must first comply with the law and must meet emission standards to protect the environment.The requirement for