Production and development of precision sand casting technology
The development of aerospace industry is inseparable from the support of the casting industry. Some large aircrafts often need to […]
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The control of phosphorus content in hot metal composition affects the design of anti shrinkage process of castings
The effect of phosphorus on the shrinkage defects of castings is shown in two aspects: one is that phosphorus, as
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Casting flow coating and its equipment
1. Refractory powder Commonly used refractory powders include zircon powder, brown steel jade powder, bauxite powder, quartz powder, mullite powder,
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The influence of sulfur content on the composition of molten iron on the design of preshrinking process
For many foundries whose production mode is from cupola to induction furnace, there is also a running in process for
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Production technology of thin wall complex structure casting
With the development of automobile industry and the demand of energy saving and emission reduction, the lightweight of automobile parts
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Basic properties and test methods of flow coating
1.Properties of flow coating (1) The rheological properties meet the requirements of flow coating process. (2) Suitable coating thickness. Generally,
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Simulation analysis of casting process for large cast steel gear of rotary kiln
(1) The simulation analysis diagram of scheme I is the simulation result of solidification process of scheme I. It can
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The control of carbon content in hot metal composition affects the design of anti shrinkage process of castings
The composition control of molten iron plays a very important role in the process design of casting anti shrinkage. Zhang
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Advantages and disadvantages of investment casting and its application
Investment casting has the following advantages: the investment casting has high dimensional accuracy and surface finish, and the size accuracy
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Digitalization of Automobile Casting Development
The comprehensive combination of Automobile Casting Development and digital technology can significantly improve the level of casting technology and shorten
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Development of flow coating technology for casting coating
1.Flow coating equipment The flow coating equipment includes two parts: one is the gripping and rotating device of sand mold
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Application of foundry CAE Technology
Casting CAE is to use computer to simulate the solidification process of casting through solidification simulation, display the solidification process
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Technical application of plaster casting
Gypsum mold can be used to make castings with high dimensional accuracy, low surface roughness and residual stress. It has
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Lightweight of Automobile Casting
On the premise of ensuring the strength and safety performance of the vehicle, reduce the curb weight of the vehicle
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Comment on coating process of casting coating
1. Brushing and swabbing 2. Dip coating 3. Spraying (1) The pressure of compressed air system is usually 500-600kpa. (2)
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Design of casting process for large cast steel gear of rotary kiln
Cement rotary kiln is the main equipment of cement clinker dry process and wet process production line. Driven by the
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Consideration of casting properties in the process of casting shrinkage prevention
Although the anti shrinkage factor is a factor that must be considered in the casting process, recently, with the market
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Manufacturing technology of sand mold and core by counter gravity casting
Counter gravity casting has very high requirements for molding, core making technology and sand fluidity. (1) Sufficient strength and rigidity:
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Development of alcohol based coating for EPC of high manganese steel
As an advanced casting method, lost pattern casting is paid more attention to and applied to the production of high
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Integrated design of Automobile Casting
Casting is one of the oldest metal forming methods. About 15% ~ 20% of automobile parts are produced by different
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Production principle of shrinkage cavity and porosity of grey cast iron
There are many views on the production principle of shrinkage porosity of grey cast iron due to different standpoints. However,
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Development of sand mold counter gravity casting technology
In order to eliminate the shortcomings of sand casting, improve the quality of die casting parts and expand the application
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Casting defects and control of nodular iron crankshaft in wet sand mold
The defect analysis of nodular iron crankshaft in the actual production process can be divided into many defects, such as
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Development and present situation of casting coating
1. Casting coating theory (1) The mechanism of anti sticking sand, including sintering stripping theory, bright carbon theory and so
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Solidification process and characteristics of grey cast iron
In the cooling and solidification stage, there is eutectic solidification transformation in gray cast iron, and the w stable system
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Advantages and disadvantages of complex thin-walled precision aluminum alloy castings by sand gravity casting
In recent years, in order to pursue the reasonable structure and lightweight of parts and components, the parts originally composed
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Wet sand casting process of Nodular Iron Crankshaft
Crankshaft is one of the most important components of automobile engine. For automobile crankshaft, its main function is to realize
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Formula analysis of a casting coating
Bauxite 90%, quartz powder 10%, phenolic resin 2%, white emulsion 2%, calcium bentonite 3%, washing powder 0.1%, isopropanol 0.1%, appropriate
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Present situation of grey cast iron production in China
Use of grey cast iron Gray cast iron plays an important role not only in China’s economic production, but also
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Formula analysis of EPC coating
1.Paint composition For the preparation of magnesia powder 30-50%, pearlescent powder 20-40%, mica powder 15-30%, silica sol 3-9%, white emulsion