Selection of parting surface of splay saddle head steel casting
According to the principle of conventional parting surface selection: the parting surface shall be as simple as possible, and the […]
According to the principle of conventional parting surface selection: the parting surface shall be as simple as possible, and the […]
The molten steel of steel castings has high melting point, poor fluidity, large shrinkage and easy oxidation. Therefore, the gating
In the past, similar steel castings used the core assembly molding, and the size of the sand core is relatively
The steel casting of splay saddle saddle head is the first suspension bridge for both highway and railway in China,
The castings without riser system were introduced into magma, and the pouring posture of the connecting flange at the top
Fig. 1 shows the current mainstream pump casing casting process. The water system is injected at the parting surface height
The dual-phase steel pump casing has the common characteristics of cast steel: high melting point, poor fluidity, large shrinkage, easy
Sand casting steel rolling stand is a typical large steel casting widely used. It is one of the important components
CB2 cast steel is a heat-resistant steel developed for 630 ℃ ultra supercritical units in the European joint research project
Based on the current manufacturing and use status of CB2 steel castings, in order to grasp the quality differences between
With the increasing requirements of environmental protection, energy conservation and emission reduction, efficient, clean and low emission ultra supercritical power
1. Brushing method Brush the clean surface to be observed with mixed lime water, and block the through-hole within the
Some box type steel castings have the functional requirements to prevent the leakage of lubricating oil in the inner cavity
1. Assign professional personnel to control production quality For enterprises, in order to obtain economic benefits, their products are required
Steel casting coating can be applied in various ways according to different site conditions and different steel castings. Through the
In view of the metallurgical quality requirements of high-quality steel castings, it is obviously incompatible to use the original smelting
In China’s casting industry in recent years, the output of steel castings has increased year by year, reaching 5.9 million
Cast steel is the steel used to make cast iron. In the case of high casting production intensity and insufficient
With the acceleration of social development in China, the production technology and level of all sectors of society have also
1. Local modulus extraction of 3D model In the production process, the riser design of steel castings conforms to the
1. Production examples of Shanghai Heavy Machinery Factory Co., Ltd Located in Minhang District of Shanghai, Shanghai Heavy Machinery Works
1. Application of resin sand process Ordinary sodium silicate sand process has been used in the production of large steel
Large steel castings generally refer to steel castings with a single gross weight of more than 5 t. With China’s
1.3D modeling system framework based on OpenCascade WxWidgets is used as the development tool of the system interface and the
According to the results of chemical elements, the chemical composition of steel castings meets the requirements of ZG30CrNiMo steel in
Taking the profile bar on a track powered rolling car as an example, the material of the steel casting is
1. Fractograph The fracture morphology of impact sample was observed by Zeiss evo15 scanning electron microscope. The fracture morphology of
The riser system in casting process design is generally designed based on experience and relevant databases. Sometimes the designed riser
30CrNiMo steel has been widely used in mining machinery due to its high hardenability, good comprehensive mechanical properties and excellent
The mass of large g10mnmov6-3 low alloy cast steel cable clamp is about 4600kg and the outline size is 2600mm