Cloud diagram of temperature distribution at typical time of frame sand casting process
The simulation analysis of the temperature field of the frame in sand casting includes the solidification of the frame in […]
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Performance test of lost foam casting coating
The performance test of lost foam casting coating is a necessary condition to stabilize the production process and ensure the
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Development of lost foam casting
Lost foam casting has outstanding advantages, which has attracted more and more attention of foundry workers in recent years. Lost
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Setting of thermophysical parameters of frame sand casting
The setting of thermophysical parameters in the simulation process includes the determination of sand casting – zg230-450 and mold –
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Optimization and improvement of negative pressure degree in lost foam casting of gray cast iron thin wall gearbox shell
The selection of negative pressure degree is particularly critical in vacuum negative pressure lost foam casting. A large number of
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Lost foam casting coating
Lost foam casting molding is completed by model disappearance, decomposition products escaping from the mold, and liquid metal replacement model.
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Development process of lost foam casting
Lost foam casting method was first successfully tested by American h.f.shroyer in 1956, and was published in the form of
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Comprehensiveness of lost foam casting technology in China
On the whole, China’s technology is still at a low level. There is still a big gap between China and
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Establishment of finite element model of frame sand casting process
1) Establishment of 3D solid model There is no solid modeling function in ProCAST software, and the three-dimensional solid model
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Lost foam casting model material
Foamed plastic plays a very important role in lost foam casting, and its quality will directly affect the quality of
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Lost foam casting technology in China
The “white zone” technology and equipment of China’s lost foam casting is the weakest link, mainly including the following: Development
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Casting technology of nodular cast iron intercooler base pipe
Nodular cast iron intercooler base pipe is an innovative design for the company’s large internal combustion engine. The material is
Lost foam casting
The lost foam casting method takes foamed plastic expandable foam polystyrene or polymethylmethacrylate as the model, and applies fire-resistant coating
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Deficiencies in the research of lost foam casting technology in China
Insufficient attention to the basic research work of lost foam casting technology, too little investment and low level have become
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Bonding interface of bimetal composite pipe by centrifugal casting
The quality of bimetallic composite pipe has always been the focus of research, and its bonding interface directly affects its
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Lost foam casting in French
Puqiao company of the French group obtained the patent of EPC isostatic pressing process, and used this process to organize
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Analysis of sand mold casting process for frame
1) Production process of frame sand casting The sand casting of the frame adopts the pit shape and box cover,
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Production of lost foam casting in China
As early as the late 1970s, China has studied the application of lost foam casting in mass production, which is
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Quality control technology for melting nodular cast iron melt in medium frequency furnace
1. Chemical composition design When the diameter of roll body is more than 600 mm, the carbon equivalent is 3.8%
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Sand mold casting process and Simulation of rotary disk
The rotary disc is the key component on the spindle of drilling machine, which needs high precision and certain hardness.
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Lost foam casting in China
Foundry, a traditional industry with a civilization history of 6000 years in China, is increasingly facing the challenges of the
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Design of heating subsidy for sand casting dual phase steel castings
1. Design of metal subsidy for sand casting In order to facilitate the comparison and production of subsidies, only the
Scientific
Prediction criterion of shrinkage porosity in sand castings
According to the formation mechanism of shrinkage cavity and porosity in sand casting and based on the numerical simulation of
Scientific
Factors affecting the quality of nodular cast iron roll produced by medium frequency furnace
1. Main quality problems of rolls Produced φ 800 mm × 1880 mm high chromium cast iron roll (as shown
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Application of heating subsidy in sand casting production of dual phase steel castings
In sand casting production, metal subsidies are often set to extend the feeding distance of the riser. In most cases,
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Three dimensional heat transfer mathematical model of solidification process in sand casting
The three-dimensional heat transfer mathematical model of numerical simulation of solidification process of sand casting is unsteady heat conduction partial
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Production of nodular cast iron roll in medium frequency furnace
The medium frequency furnace is used to produce cast iron rolls of various purposes and materials, and the core is
Scientific
Verification of simulation results of horizontal centrifugal casting of cylinder liner
As shown in the figure, it is produced with the help of computer simulation φ 400mm and φ Rough finished
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Cast impeller material and casting defects
The material of a cast impeller is aluminum silicon alloy zalsi9cu2mg. The cast impeller is not allowed to have casting
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Effect of Ti on Microstructure and properties of grey cast iron brake disc
According to the characteristics of grey cast iron brake discs produced by electric furnace, three kinds of HT200 molten iron