Four research hotspots of lost foam casting technology
In recent years, there are four hot spots in the research of lost foam casting technology in Europe and North […]
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Scientific
Casting process of lost foam casting empty shell
1. Foam casting for lost foam casting The molding of polystyrene bead mold can increase the foam density for improving
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Effect of laser shock on graphitization nucleation of gray cast iron
The nucleation and growth of gray cast iron graphite are gradually formed during heating. The nucleation position of gray cast
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Sand mold casting process design of large bearing pedestal
The material of the bearing seat is ZG310-570, and the production nature is mass production. 1. Sand casting process scheme
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Output trend of major casting producing countries
The American “modem casting” magazine publishes the statistics of casting output of countries (regions) all over the world every year.
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Key technology and quality control of large cast steel cable clamp casting
The foundry has formulated the quality control inspection process according to the casting process. The owner, the general contractor and
Scientific
XRD of the fused layer of gray cast iron after laser shock
The X-ray diagram of the surface of gray cast iron sample after laser shock melting is as follows. It can
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Sand mold casting technology of large bearing pedestal
Large bearing pedestals are used in power plants, petrochemical, metallurgy, shipbuilding and equipment manufacturing industries, such as steam turbine rotor
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Key issues in developing China’s Automobile Foundry Industry
1. Ensure stable supply Automobile foundry industry is a mass flow production, which needs mass supply with stable quality. But
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Material properties of gray cast iron
Gray cast iron is widely used in various mechanical parts, such as automobile ventilation plate, gear box, bed and so
Scientific
Hardness test of lost foam casting rod mill liner
The figure shows the hardness of ZGMn13 and zgmn17 under different water toughening treatments. It can be seen that the
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Original technology of lost foam casting nodular cast iron reducer housing
The combination process of lost foam casting nodular cast iron reducer shell is shown in the figure. The design process
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Improvement of lost foam casting process for turbine rear exhaust pipe
According to the numerical simulation of turbine rear exhaust pipe in lost foam casting, under the existing process conditions, due
Scientific
Defects and control of nodular iron crankshaft in wet sand casting
The wet sand mold casting process of nodular iron crankshaft is mainly divided into two parts: sand mold preparation and
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Situation faced by China’s Automobile Foundry Industry
1. China’s automobile foundry industry started late and its technology is backward As an ancient foundry country with a casting
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Liquid shrinkage solidification of nodular cast iron
For the liquid shrinkage of nodular cast iron, the macro performance is the decline of molten iron liquid level, and
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The solidification process of nodular iron castings leads to shrinkage cavity and porosity
At present, in the production of nodular iron castings, there are often shrinkage porosity and shrinkage cavity, and there are
Scientific
PLC control of mold filling speed of sand casting machine bed
1. PLC software design PLC control software includes interface management program and monitoring program. The interface management program is connected
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The promotion of China’s automobile industry to the foundry industry
Foundry industry is the main supplier of mechanical equipment products, and the two are closely related. It is the development
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Solution to the casting porosity defects often occurred in iron mold sand coated casting process
1. Increase the gate section size in the gating system Gate size in main core: changed from 33.5 / 34.6
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Research status of wear resistant cast iron
1. Ordinary white cast iron Ordinary white cast iron can only be used in as cast state, and carbon atoms
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Test verification and data analysis of nodular cast iron based on magma simulation software
1. Test scheme design Select specific nodular cast iron and specific process as the test object (as shown in Figure
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Simulation results and analysis of shrinkage porosity and shrinkage cavity in sand casting of mud pump body
Shrinkage porosity and shrinkage cavity are the most common defects in the process of sand casting, and they are also
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Application of precision forming technology in tractor parts
Tractor transmission system is the core component of tractor, which determines the performance of the whole machine, reflects the manufacturing
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Iron mold sand coating process and common quality problems in original mold casting
1. Original mold design structure The original mold structure design of t9000-c iron mold sand coated casting cylinder block in
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CAE simulation and analysis of nodular iron castings of small motor base
In order to reconfirm the defects of the nodular iron casting and the rationality of the analysis results, the CAE
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Development trend of tractor parts
At present, the manufacturing development of domestic tractor products and parts has the following characteristics and trends: 1) The average
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Improvement of rapid casting technology for tractor gearbox shell
The structure of gearbox shell is shown in Figure 1. Its material is QT500-7, the blank weight is 458 kg,
Scientific
Original technology and existing problems of rapid casting of tractor gearbox shell
1. Casting process In order to ensure the smooth filling of molten iron and prevent the occurrence of defects such
Scientific
Analysis on solidification process of mud pump body in sand casting
The three-dimensional models of casting, sand mold and cold iron are meshed by finite element method. After being imported into