Filling velocity equation of sand casting for machine bed
Sand casting is a casting method in which the metal liquid fills the mold cavity under the action of gravity. […]
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Study on the casting technology of nodular cast iron
The service performance of nodular cast iron is mainly determined by the microstructure and casting defects, among which the microstructure
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Solidification simulation analysis and process optimization of pump valve castings in sand coated iron mold
In the process of solidification and cooling of sand-clad iron mold casting for pump valve castings, there are many cores
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Classification and materials of crankshaft castings
As the core part of internal combustion engine, crankshaft plays an important role. Due to the different number and size
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Properties and characteristics of grey cast iron
Gray cast iron characterized by flake graphite has certain strength, hardness, modulus of elasticity, shock absorption, wear resistance and thermal
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Control of oxygen and sulfur elements in the casting process of nodular cast iron
Oxygen and sulfur are the main surface active elements, which have an important influence on the change of graphite base
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Application of furan resin in large gray iron castings
Furan resin can be divided into urea formaldehyde furan resin, phenol urea formaldehyde furan resin, formaldehyde sugar alcohol resin and
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Foundry technology design of iron mould sand covering for pump valve casting
Pump valve is a kind of equipment basic component with large quantity, wide range and various varieties, which is widely
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Time-varying meshing stiffness of hypoid gears of automobile drive axle
The transmission error of gear motion is the main excitation of gear vibration energy. In most gear equipment, it will
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Effect of mold condition on shrinkage tendency of castings
The effect of mold conditions on the shrinkage tendency of castings is mainly due to mold wall expansion. On the
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The effect of molten iron temperature on the control of preshrunk process of large castings
The control of molten iron temperature is generally divided into two aspects: one is the control of molten iron temperature,
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Rapid prototyping technology of precision sand casting
1 Introduction to rapid prototyping manufacturing technology Rapid prototyping technology is a kind of technology that appeared and rose in
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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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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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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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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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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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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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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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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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Effect of different pouring speed on casting quality
For the same casting, the pouring time is different when the pouring speed is different. If the pouring speed is
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Selection of casting technology for spiral bevel gear
Casting process refers to the process of pouring high temperature liquid metal into the mold to obtain a certain shape
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Brief introduction of casting defects of spiral bevel gear
Formation mechanism of shrinkage cavity and porosity during solidification of castings The volume shrinkage during solidification is the cause of