Mathematical model of casting filling process
The filling process of liquid metal is a non-isothermal flow process with heat loss and solidification.The metal fluid flow should […]
The filling process of liquid metal is a non-isothermal flow process with heat loss and solidification.The metal fluid flow should […]
Based on the analysis of simulation results, the casting process needs to be optimized to eliminate the casting solidification defects.
Cylindrical billets are cut lengthwise on a 100 mm diameter billet and processed into equal-section samples with a working section
Machining centers are divided into horizontal and vertical machining centers according to the position relationship between the spindle and the
Foundry industry in various industrial countries has paid more attention to grain refinement of cast steel for more than 60
1. Homogeneous nucleation is not possible for actual production In order to realize homogeneous nucleation in homogeneous liquid phase, the
There may be two different mechanisms to refine the grains of casting alloy by adding refiners, and their effects on
1. Design of compensation system and air outlet Based on the analysis results, the top area of the casting finally
1. Filling Process Analysis The filling process simulation analysis of Figure 5 shows that the filling time of the casting
Gasket castings are produced by two pieces in one box. Considering the same distance from the casting system to each
As shown in the figure, the turbine housing parts are complex in structure and moderate in batch. They are molded
It is beneficial to obtain castings with clear contour, precise shape, smooth surface and intact internal structure by mastering the
With the transformation and upgrading of rolling equipment in China, the rolling mill is developing towards automation, continuity and heavy-duty,
The first piece appraisal meeting for the first stage stationary blade casting of 300MW class F heavy-duty gas turbine was
1 Preliminary test As the pores are non fissured, N2 pores are excluded. In order to reduce the source of
In the future, titanium alloy precision forming technology will be developed to the direction of digitalization, informatization, automation and environmental
China’s foundry industry has been developing steadily since the 12th Five Year Plan, but its growth rate has slowed down
The 13th five year development plan for foundry industry (hereinafter referred to as the plan) predicts that the medium and
Al-Cu system cast aluminum alloy is the earliest used casting alloy, which has high heat treatment effect and thermal stability.
1.Current situation Aluminum and magnesium are typical light metal materials. Aluminum alloy has relatively light weight, high specific tensile strength
According to the global casting production census conducted by modern casting magazine of American Foundry Association, in 2018, the global
In this design, a new aluminum silicon alloy is used as the shell casting material. By adding Al-10Sr modifier and
With the economic development of the country, all walks of life are developing rapidly, and the machinery industry is also
In casting production, gating system is one of the important factors that affect the quality of castings. According to the
The riser design of cast steel joint mainly depends on the solidification characteristics of cast steel. There is a large
The production difficulty of impeller mainly lies in the whole molding process. Using traditional casting technology, it is difficult to
According to the foundry process CAD system developed by the laboratory, the foundry process design is carried out. It is
Take the valve body as an example to briefly introduce the casting process design. 1.Selection of pouring position and parting
Titanium and titanium alloy have many excellent properties, such as low density, high specific strength, corrosion resistance, small linear expansion
Since the 12th Five Year Plan, China’s foundry industry has continued to develop steadily, but its growth rate has slowed