Over solidification process and defect analysis of mold filling in investment casting
The casting simulation software ProCAST can predict the casting defects such as shrinkage porosity, shrinkage cavity and slag inclusion in […]
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investment casting
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Design and parameter setting of gating system in investment casting
The pyramid lattice sandwich structure with core member length L = 32mm, core and panel angle w = 60 °
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Optimization of investment casting process parameters to avoid casting defects
Pouring temperature, shell preheating temperature, investment casting pouring speed and other process parameters are very important to the molding quality
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Prediction criterion of shrinkage cavity and porosity casting defects in investment casting
There are many reasons for casting defects. Gating system, pouring temperature and flow speed of molten liquid, casting size and
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Research status of investment casting
As a material near net shape technology, investment casting has the characteristics of complex casting structure, high dimensional accuracy, wide
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Theoretical basis of mold filling and solidification process in investment casting
In the process of investment casting, solidification refers to the process that high-temperature liquid metal changes from liquid to solid
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Analysis of mold filling process, solidification process and casting defects in investment casting of bearing support
As shown in Figure 1: after the investment casting pouring starts, the liquid fills the main sprue in about t
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Simulation analysis of investment casting of bearing support
The mechanical parts of topology design must have good manufacturability before the products have practical value. The product of topological
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Theoretical basis of mold filling process in investment casting
In the process of investment casting, although the movement of metal pouring fluid is very complex, it will strictly follow
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Design of rapid investment casting
Rapid investment casting (RIC) is a production process of indirect additive manufacturing (I-am) metal parts formed by the combination of
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Impeller investment casting – sand casting check the pouring time according to the rising speed of liquid level
According to empirical parameters, when the wall thickness of impeller investment casting sand casting is > 40 mm, the minimum
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Dewaxing of impeller shell in investment casting
Because the investment mold of impeller blade is fixed with rosin wax based mold material and sodium silicate sand sleeve,
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Development of the mould material formula for impeller blade in investment casting
The quality of investment casting directly affects the geometry, dimensional accuracy and surface roughness of investment casting impeller. When investment
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Future development of selective laser sintering rapid investment casting
The combination of 3D printing technology and traditional casting industry has brought new vitality to the future casting industry. The
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Error detection of typical complex parts in rapid investment casting
Through zgsccan three-dimensional laser scanner to complete the detection of point cloud data, the obtained point cloud data of complex
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Dimensional error of selective laser sintering rapid investment casting
The process of PS rapid investment casting based on selective laser sintering was studied. Starting from the process of rapid
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Data information detection process of typical complex parts in rapid investment casting
Before the 3D scanning data detection, the laser 3D scanner needs to be calibrated. The calibration plate is scanned and
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Verification of error compensation for rapid investment casting
Through the actual observation of the casting, it is found that the appearance of the diffuser casting is complete, and
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Data acquisition methods and tools of typical complex parts in rapid investment casting
The blade of diffuser impeller is mainly a complex free-form surface. The conventional measurement method can not complete the mapping
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Preparation of qualified castings for rapid investment casting
From the actual casting results of trial casting, it can be found that the upper part of the diffuser blade
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Dimensional error detection of typical complex parts in rapid investment casting
To detect the 3D data of the part, the specific process is to detect the surface geometry of the part
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Trial production of alloy casting in rapid investment casting
The diffuser shell adopts high strength ceramic shell process, which is composed of surface layer, transition layer and back layer.
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Error transfer route in SLS rapid investment casting process
SLS rapid investment casting generally needs three steps: SLS prototype firing, wax impregnation post-treatment and investment casting. Because there is
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There is the problem of size error transfer in SLS rapid investment casting process
Through the analysis of the research status at home and abroad, combined with the existing experimental research, and finally according
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Numerical simulation and result analysis of rapid investment casting
ProCAST simulation software was used to simulate the gating system, and the temperature field changes and casting defects during filling
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Research status of rapid investment casting
In the process of rapid investment casting, due to the different rapid prototyping process, the corresponding casting process scheme is
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Pre processing setup of rapid investment casting simulation
UG software is used to save the designed initial gating system file in x-t format and import it into the
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Research and development of rapid investment casting technology based on SLS
SLS sintering process and material types have a great influence on the sintering results. Most scholars study the influence of
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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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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