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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Introduction to the application process of casting coating
For the application of casting coating, brush coating, dip coating, flow coating and spraying methods shall be selected according to
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Classification and standard of casting coatings
Casting coating is one of the indispensable raw and auxiliary materials in the casting process, which has a significant impact
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Investment casting technology of aluminum alloy
Aluminum alloy castings are widely used in advanced weapons because of their low density, high specific strength, good corrosion resistance,
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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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Sand casting process classification and molding method of sand
Classification of moulding sand: According to different binders, molding sand can be divided into: (1) Clay sand (2) water glass
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Development of investment casting technology in aviation industry
Basic casting theory and forming law Due to the lack of theoretical research, the complexity and uncertainty in the filling
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Water based and alcohol based flow coating for cast steel and cast iron
The composition of white corundum is α – Al2O3, its content is over 98% – 99%, the impurity is very
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Application of investment casting technology in aviation industry
With the combination of investment casting technology, automatic control, computer simulation and other advanced technologies, the filling performance of alloy
Scientific
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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Effect of suspension agent type on properties of zircon powder flow coating
1. Test results and analysis Four kinds of suspending agent: HB type suspending agent, Henan Xinyang bentonite, Hebei Zhangjiakou bentonite,
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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
Scientific
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,
Scientific
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
Scientific
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: