Design of runner form and section proportion of bridge bearing steel casting
At present, the design of each element size in EPC casting has not yet formed the standard of casting one. […]
At present, the design of each element size in EPC casting has not yet formed the standard of casting one. […]
According to the position of molten metal introduced into the mold, the pouring methods can be divided into top pouring,
Fig. 1 is a set of photographs of the filling percentage of liquid metal at different times. The red is
The pouring position of a casting refers to the current state (posture) and position of the casting in the mold,
Due to the great difference between lost foam casting and traditional sand casting, the process design of lost foam casting
Bridge bearing is the casting name of a kind of products. It is an important structural component connecting the upper
According to the test results of high temperature wear resistance and high temperature oxidation resistance of the new superalloy used
Figure 1 shows the average grain size curve of Superalloy samples prepared at different pouring temperatures. It can be seen
Creo software is used to draw 3D engineering drawings and assemble components. Creo software is a CAD software design package
Figure 1 is a plot of the mass gain per unit area of a high temperature alloy sample prepared at
Fig. 1 is the curve of mass added value per unit area of Superalloy samples prepared at different pouring temperatures.
1. Test materials The test material is superalloy K4002 Sr. When 0.4-0.6% SR is added to the alloy, the chemical
The superalloy can work at 760 ~ 1500 ℃ for a long time and bear certain stress. Because the superalloy
After the casting spheroidization problem appeared, our company’s technical, quality, physical and chemical department and other departments jointly analyzed, according
After the occurrence of bad nodularity, our plant strengthened the detection of sulfur in the original molten iron and the
1.Simulation results and analysis of filling process The filling process of multi way valve casting is as shown in the
The hydraulic valve is an essential component in the hydraulic system. The performance of the hydraulic valve determines the performance
In the production process of nodular iron castings, in order to ensure the product quality, the tensile strength, yield strength,
1.Casting system model of double hydraulic valve body The design method of the valve body gating system is similar to
Taking the simplified one hydraulic valve body and the two multi way valve body for loader as the research object,
The drawing shows the shrinkage pore distribution of a series of hydraulic valves made of steel-304 stainless steel with casting
1.Partial differential equation for heat conduction: The solidification process of castings is a complicated phase transition process.Solidification is a dynamic
The figure shows the maximum porosity of a hydraulic valve body with cast material of QT500-7 as a function of
Data transfer in the process of fluid-solid coupling (FSI) calculation is to transfer the simulation results of flow field (pressure,
1. Simulation Model Fig. 1(a) shows the connection of each spool in the right position of the bucket union valve.
The figure shows the integral multi-way valve used in the loader. Besides the main valve body, it also includes two
1.Simulation results and analysis of filling process The filling process of the casting is shown in the figure. It can
The casting quality will be seriously affected by the length of pouring time. The shorter the pouring time, the faster
In order to facilitate engineering calculation, there are usually two assumptions when calculating the average hydrostatic head height Hp: (1)
1. Casting valve body model with shrinkage cavity and calculation parameters There are two shrinkage cavities in the valve body