During the cooling and solidification process of cylinder liner, the cooling water from the outer wall metal mold and impacting […]
Inoculant is added during the post-treatment of molten iron furnace, and the melting point of inoculant is generally 1300 ~
See Table 1 for the chemical composition of metal mold centrifugal casting vanadium titanium alloy gray cast iron cylinder liner.
The cast iron cylinder liner of diesel engine is generally produced by metal mold centrifugal casting. In production, it is
According to the simulation results of lost foam casting defects of cast steel valve body and the comprehensive analysis of
Nodular cast iron solidifies in “paste”. Compared with gray cast iron, eutectic solidification time is long, the number of eutectic
The operation environment of wind turbine is relatively bad, and the supporting large parts should be used for a long
Fig. 1 and Fig. 2 are respectively solidification time nephogram and solid rate change diagram of ZY direction section plane
The fracture morphology of the failed nodular cast iron crankshaft shows the fracture process and mechanism of the nodular cast
In February 2021, an automobile company conducted a bench test and operated at full speed and full load for 65
In the middle of the 20th century, Shanghai Institute of mechanical manufacturing technology and the Ministry of mechanical industry began
According to the analysis of the original process scheme of the valve body, it can be seen that the improper
After normalizing, the tensile strength and elongation of nodular cast iron are improved at 930 ℃. In nodular cast iron,
The tensile specimens of room temperature nodular cast iron as cast and treated at different normalizing temperatures were tested at
Figure 1 shows the distribution of shrinkage cavity and porosity predicted by numerical simulation technology under the original process scheme.
Lost mold casting has experienced the following three stages of development: The first stage is the American H.F. Sloy (Shroyer)
The samples as cast and normalized were observed by Kearns vh-5000 ultra depth of field optical metallographic microscope. The metallographic
Nodular cast iron is a spheroidal graphite cast iron obtained by spheroidization and inoculation. From the aspect of production, the
During the mold test of the cylinder head, the casting air hole defect on the oil cover shell surface is
Six cylinder block is an important part of marine engine. The casting structure is shown in the figure, and its
ZHY casting adopts 20 ~ 40 mesh quartz sand and manual bag sand adding method. The size of sand box
Lost foam casting requires that the molding sand can fill the mold space tightly during molding. Therefore, the vibrating system
Introduction 1. Lost foam casting process The lost foam casting process is simple, without complex processes such as core making,
The structure of the flywheel housing is relatively complex and belongs to a typical thin-walled shell structure. Due to the
The flywheel housing is an extremely important power output component in the vehicle power system, and it is also a
In order to ensure that there is no dead corner in the negative pressure inside the sand box, 5 air
Lost foam casting is a negative pressure full mold casting technology developed on the basis of vacuum sealing molding combined
The coating methods mainly include spraying, brushing, flow coating, dip coating and drenching coating. Uniform spraying coating and high dimensional
The low-pressure casting simulation model of flywheel housing is established by ProCAST. The simplified three-dimensional digital model of the die
1. EPS foaming white mold EPS material has good cutting performance, fast NC machining speed and high precision. The mold
