According to the above anti gravity test results, the differential pressure sand casting process was selected to pour the actual […]
Many people believe that low casting production cost is one of the advantages of China’s casting industry, but if we
(1) Raw materials The main ingredients for preparing molten iron in the experiment are Q10 pig iron, scrap steel, spheroidizing
The wall thickness of the hatch sand casting is 2 mm, and the dimensional accuracy requirements are high. It is
What kind of industrial structure a country implements and what kind of mode of technological progress it adopts are not
In the process of casting, various casting defects may be formed on the surface and inside of the casting due
Due to its excellent performance and economy, nodular cast iron has replaced many traditional metal materials and is widely used
The hatch sand castings are sand castings with overall wall thickness of 2 mm. There is no report on the
In the face of international competition and the new situation of revitalizing China’s manufacturing industry, although the foundry industry has
1) Technical aspects of using water slag iron to produce gray iron castings: due to the limitations of actual factory
The hatch sand casting is a key structural member of aluminum alloy for aircraft. The outline dimension of fad hatch
The foundry industry in major industrial countries is developing steadily with the development of their national economy. However, from the
Industry experts have predicted the future trend of China’s foundry industry from many aspects. Grasping these development trends is one
1. Sand mold casting process scheme of nodular cast iron Nodular cast iron sand castings are produced in single piece
1. Casting quality problems in China Casting quality is still the primary problem in China’s casting industry. There are many
1. EPS foaming white mold EPS (polystyrene foam) has good mold filling performance, good surface quality, small investment in pre
Facing the situation of sharp competition in the international market after China’s entry into WTO, the casting machine industry should,
According to the forming and manufacturing process of output shaft shell, different casting enterprises adopt different molding lost foam process
SCRATA association is the first company in Britain to apply lost foam casting process, and its process method is replica
According to different discrete methods, the solution methods of numerical model in lost foam casting solidification process mainly include finite
The gross weight of the frame used in the simulation is 60t, the weight of the pouring riser is 30t,
1.The concentration of carburized layer is too high Characteristics of heat treatment defects: There are massive carbides or network carbides
Casting forming is an extremely complex high-temperature, dynamic and instantaneous process, during which a series of complex physical, chemical and
The figure shows the results of shrinkage porosity after solidification of sand casting frame, and the criterion of casting shrinkage
In 1956, the American H.F.Shroyer invented the method of real casting, and won the US patent in 1958. It was
In the numerical simulation of solidification process of sand castings, the thermophysical parameters of the mold are one of the
1. Processing route The machining routes corresponding to different forms of raw materials are different. At present, the forms of
Poor basic conditions such as casting technology and equipment; The proportion of manual operation in the production process is high,
The figure shows the solidification fraction of the sand casting frame at different times. It can be seen that the
Aiming at the common defects in the process of aluminum alloy lost foam casting, the following measures have been widely
