Design of gating system for rapid investment casting process
Mainly through the trial production of rapid investment casting process, including: gating system design; casting simulation pretreatment settings; numerical simulation […]
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Metallographic structure control of chilled cast iron camshaft
1.Technical requirements For the technical requirements of metallographic structure, most customers’ products are basically consistent with those recommended in technical
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Rapid investment casting process based on SLS
With the continuous rise and popularization of 3D technology, China’s manufacturing industry has gradually achieved upgrading, especially in the mold
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Compensation method for dimension error of typical complex parts in rapid investment casting
The size correction of the typical complex diffuser was completed by using magic software. Through the analysis of the size
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Practical application of rapid casting technology
Rapid casting (QC) is a new technology formed by combining SLS, SLA, FDM and traditional casting technology. The application object
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Application effect analysis of high chromium cast iron in large autogenous mill liner
Select a mine φ 12.2 m × The middle ring liner of 11.0 m autogenous mill is taken as the
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Dimension error calculation of typical complex parts in rapid investment casting
Combined with the rule of dimension error transfer from CAD model to one-time wax impregnation, the dimension shrinkage in X
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Traditional investment casting is also known as “lost wax casting”
Traditional investment casting is also known as “wax loss casting”. Because of the high dimensional accuracy and surface quality of
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SLS forming of typical complex parts in rapid investment casting
Based on the rule of dimensional error transfer and reverse engineering, the 3D digital scanning of complex parts after one
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Process design of high chromium cast iron in large autogenous mill liner
Composition analysis of high chromium cast iron At present, the research of high chromium cast iron focuses on hypoeutectic or
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Study on pressure transfer law in squeeze casting process
Due to the complexity of squeeze casting process, it is very difficult to measure the internal pressure of squeeze casting
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Observation on size error transfer from prototype to wax pattern in SLS rapid investment casting
In view of the influence of different post-treatment on the surface quality of the specimen, considering the low surface strength
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Casting process design of lower half casting of rear cylinder of marine steam turbine
Analysis of casting structure and casting process The main body of the lower half casting of the rear cylinder is
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Study on Modeling of interface heat transfer coefficient in Squeeze Casting
For the interface heat transfer with pressure, there is a definite relationship between the interface heat transfer coefficient and the
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Analysis of post processing results of size error transfer from prototype to wax pattern in SLS rapid investment casting
In the experiment, the dimension deviation is used as the measurement index of the dimension accuracy of the specimen. The
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Design of wax impregnation scheme for SLS rapid investment casting prototype
For the SLS fired specimens, the specific dimensions are shown in Figure 1. The size of the sample for selective
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Effect of squeeze casting process parameters on interfacial heat transfer coefficient
The main parameters involved in squeeze casting process include: applied pressure, pouring temperature, initial mold temperature and coating thickness. These
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Calculation results of interfacial heat transfer coefficient of squeeze casting
The experimental measurement of interface pressure and internal temperature of squeeze casting and the calculation of interface heat transfer coefficient
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Dimension error from CAD model to SLS rapid investment casting prototype
The process parameters of SLS were predicted as follows: temperature 95 ℃, laser power 30W, powder layer thickness 0.14mm, scanning
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Squeeze casting experiment
A 1000KN hydraulic press was used to apply the external pressure of squeeze casting, and a medium frequency induction aluminum
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Selection of dimension error transfer specimen from CAD model to SLS rapid investment casting prototype
As for specimen selection, Wang Danni of Wuhan University of science and technology used finite element analysis and BP neural
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Optimization method of interface heat transfer coefficient between squeeze casting and die
The core idea of the optimization method is that the solution of the heat transfer coefficient of the casting die
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Analysis of solidification error of casting alloy
The transformation of alloy from liquid to solid is called solidification, during which casting defects are concentrated. In the process
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Influence of forming equipment on forming precision of SLS rapid casting
For SLS rapid prototyping process, it is difficult to achieve the SLS prototype with good surface quality and dimensional accuracy
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Measurement method of internal temperature of squeeze casting mold
The key to study the heat transfer behavior of casting die interface is the temperature change near the interface. It
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Heat transfer coefficient of interface between squeeze casting and die
Although the extrapolation method is relatively simple to calculate the interface heat transfer coefficient, the calculation error is easy to
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Effect of process parameters on precision of SLS rapid casting prototype
In the selective laser sintering process, the process parameters have a great influence on the sintering quality. The main influencing
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Study on the method of solving the heat transfer coefficient of the interface between squeeze casting and die
The direct problem of heat transfer calculation is to solve the temperature distribution in the calculation area when the boundary
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Effect of model delamination on precision of SLS rapid casting
The delamination thickness of the model is mainly determined by the precision of the rapid prototyping equipment, the particle size
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Study on interface heat transfer in squeeze casting process
Under the background of the research on the heat transfer behavior and pressure transfer law of squeeze casting die interface,