1.Current situation Cast iron plays an extremely important role in China’s national economy and even in the world’s manufacturing industry. […]
Casting alloys must be melted first, then injected into the molds and cooled to the characteristics of the castings, making
For a long time, the material of machine tool casting in China is gray cast iron, and the standard of
Due to the improvement of casting quality, casting precision, casting cost and casting automation, the future casting industry will develop
In the current economic development, the number of vehicles purchased by people and used for transportation is increasing day by
Squeeze casting technology has been used in the production of pneumatic instruments for many years. It is mainly used for
(1) The main causes of rear axle abnormal noise are as follows: The bearing is loose and damaged; the gear
Based on the above description of graphite distribution shape, the following conclusions can be drawn: (1) F-type graphite is only
In recent years, with the rapid improvement of science and technology level and the continuous promotion of industrial revolution, a
The common characteristics of special casting are: the casting size is accurate, the surface roughness value is low, closer to
Generally speaking, precision casting of automobile castings mainly refers to EPC and investment casting technology. With the development of automobile
1.Current situation Single crystal superalloy is the most important blade material of advanced gas turbine engine. China has made remarkable
Full-mold casting refers to the casting method which uses polystyrene foamed plastic pattern instead of common pattern and pours metal
Among the special casting methods, metal mold casting and investment casting have the longest history. The real modern sense of
With the increasing requirements of energy saving, environmental protection and reducing the cost of components, large-scale structural casting of aluminum
1.Application in automobile and motorcycle casting As one of the main directions of piston blank production, squeeze casting has produced
1.Current situation Aluminum and magnesium are typical light metal materials. Aluminum alloy has relatively light weight, high specific tensile strength
Among all kinds of casting methods, sand casting is the most common one. This is because it has many advantages:
Improve and perfect the existing mature and practical casting instruments and equipment, strive to achieve multi-functional, integrated, automatic and intelligent,
The abnormal noise of the clutch is mainly manifested in the process of separation or engagement, as well as when
1.Basic theory of squeeze casting Pressure is one of the most important process parameters in squeeze casting. In squeeze casting,
Squeeze casting technology came out before 1930s, and it was popularized in the Soviet Union from 1940s to 1950s. In
At present, some industrial 3D printers have been used in casting production services, mainly for rapid prototyping of castings, turning
1.Current situation Large castings refer to large-scale casting products in major technical equipment, with high performance requirements, mainly steel castings.
Develop new technology of investment casting mold and die material, use silica sol or ethyl silicate as binder; adopt precision,
1) The steering wheel is loose. Loose steering wheel is also a more dangerous failure of agricultural machinery, which needs
With the development of technology and the change of production and life style, the foundry industry must also consider the
China has been the world’s largest casting production for 16 consecutive years. In 2015, the total output of all kinds
To improve the internal and external quality of castings (such as dimensional accuracy and surface roughness), reduce machining allowance, and
Wheel tractor chassis fault usually has a more complex cause. If the manipulator can not identify the fault in time
