Setting of process parameters for squeeze casting
Because the characteristic of squeeze casting is that the high temperature melt solidifies under the external pressure, many experiments will […]
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Calculation results of interfacial heat transfer coefficient of squeeze casting
Taking the temperature measured by 1 mm and 6 mm thermocouples as the input condition, the interface heat transfer coefficient
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Measurement results of internal temperature of squeeze casting die
The typical temperature measurement curves inside the mold at positions 2 and 3 are shown in Fig. 1 and 2.
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Measurement results of interface pressure in Squeeze Casting
In the study, working conditions 1, 2, 3 and 4 represent four working conditions with applied pressure of 70, 46,
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Verification of reverse calculation program for squeeze casting
Through the inverse algorithm, the mathematical model for calculating the interface heat flux and die surface temperature is established, and
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Heat transfer in Squeeze Casting
The interface heat flux and die surface temperature of each time step can be calculated by inverse algorithm. In order
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Establishment of inverse algorithm model for squeeze casting
In squeeze casting process, the solidification process involves phase transformation, and the thermophysical properties of related parameters are temperature dependent,
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Development and verification of reverse calculation program for squeeze casting
The interfacial heat transfer coefficient is an important parameter to characterize the heat transfer between casting and die Where h
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Method of determining cut off frequency in Squeeze Casting
In order to find a way to determine the truncation frequency, a function is constructed. As shown in the formula,
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Design of temperature measurement unit for squeeze casting
The heat transfer coefficient of squeeze casting die interface is calculated by inverse algorithm. In order to obtain accurate calculation
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Fourier transform formula for squeeze casting
In the process of industrial production, physical quantities such as temperature, pressure and vibration are usually converted into electrical signals
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Squeeze casting pressure sensor
In order to accurately measure the interface pressure of squeeze casting die, Kistler 6175a2 pressure sensor is used for measurement,
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Microstructure and mechanical properties of as cast alloy by rheo squeeze casting
In order to better analyze the microstructure of the forming alloy, the slurry structure of the alloy was analyzed firstly.
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Design of casting and die and layout of measuring unit in Squeeze Casting
Direct squeeze casting is used in squeeze casting experiment. The die used in squeeze casting experiment is shown in Fig.
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Mechanical properties of roller supported horizontal centrifugal casting and its influence on wall thickness of furnace tube
Some research work has been done on the dynamic analysis of roller supported horizontal centrifugal casting, the influence of roller
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Mechanical properties of roller supported horizontal centrifugal casting machine and innovation of its influence on wall thickness of furnace tube
The main innovations are as follows: (1) Through mechanical analysis, the calculation model of support stiffness and damping of roller
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Case study on solidification process and mold vibration transient of centrifugal casting furnace tube
As shown in Fig. 1, the temperature of the cast pipe and mold changes along the radial direction. It is
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Temperature dependence of transient elastic modulus of centrifugal casting furnace tube during solidification and mold vibration
After the molten steel is poured into the mold, there will be heat exchange with the mold. After a period
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Research results on dynamic mechanical properties of roller supported horizontal centrifugal casting and its influence on wall thickness of furnace tube
Taking the roller supported horizontal centrifugal casting machine as the research object, the dynamic performance of the centrifugal casting machine,
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Solidification process of centrifugal casting furnace tube and transient initial condition of mold vibration
Before casting, preheat the mold to a certain temperature TMI, and the casting temperature of liquid metal is TP; when
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Discretization of transient calculation region and determination of heat transfer in solidification process and mold vibration of centrifugal casting furnace tube
The mold and its internal area are discretized. The mold is divided into M1 grids in the radial direction, M2
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Calculation method of solidification process and transient temperature field of mold vibration for centrifugal casting furnace tube
The solution domain is discretized into several nodes, and there is heat transfer between each node. The heat balance equation
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Analysis of forced vibration of centrifugal casting mold caused by foundation and machine foundation
In the forced vibration analysis, it is assumed that there are eccentric masses distributed on the cast rotor, the eccentricity
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Analysis of free vibration of centrifugal casting mold affected by foundation and machine foundation
The natural frequencies in the range of 0-1000 rad / s are given. It can be seen that the natural
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Calculation of vibration performance of centrifugal casting mold and characteristic of foundation
Because the foundation is placed on the foundation, the comprehensive stiffness KF of the foundation and foundation can be regarded
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Establishment of vibration performance model of centrifugal casting mold
Figure 1 shows the structural diagram of the roller supported horizontal centrifugal casting machine including foundation and foundation. The casting
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Calculation function expression of mold and roller error in centrifugal casting
In practice, the geometric error between the supporting roller and the mold is often difficult to be expressed by a
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Effect of roller and centrifugal casting mold surface morphology on mold vibration performance
Considering the processing method of roller and mold, the surface roughness Ra is in the range of 1.6-25 μ m.
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Calculation results considering the errors of mould and roller in centrifugal casting
It is assumed that the geometric errors of the left roller, the right roller and the outer circle of the
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Calculation results without considering the geometric errors of mold and roller surface in centrifugal casting
If the mold has eccentric mass at the roller support, the eccentricity is e = 0.03mm, and the phase angle