Influence of diesel cylinder head injector structure on casting process
At present, there are generally two kinds of structures at the cylinder head injector of diesel engine. One is press […]
At present, there are generally two kinds of structures at the cylinder head injector of diesel engine. One is press […]
The figure below shows the morphology of primary austenite of cast iron prepared under different vibration frequencies. Figures (a) –
The mass of large g10mnmov6-3 low alloy cast steel cable clamp is about 4600kg and the outline size is 2600mm
The main function of squeeze casting die in the forming process is to complete the liquid metal forming and ensure
The figure shows the graphite morphology of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the
If the sand mold casting process is unreasonable, the local hot spots of the casting shell will increase. In order
The growth mechanism of tin crystal was discussed by means of lower microstructure observation and thermodynamic calculation. The effects of
Fig. 1 and Fig. 2 show the microstructure of as cast ZGMn13 and zgmn17 lost foam casting liner samples, respectively.
As shown in Figure 1: due to the impact of the grinding ball, the surface of the lining plate is
With the implementation of the “Three Guarantees” responsibility system in the international automobile industry, the quality requirements of automobile parts
The figure shows the matrix structure of spiral cast iron with different wall thickness. Among them, figures (a) – (c)
Rocker arm shell is one of the important parts of shearer. The rocker arm shell of the shearer is a
1. Test materials The test materials are as cast ZGMn13 high manganese steel and zgmn17 ultra-high manganese steel wear-resistant lining
The figure shows the primary austenite structure of nodular cast iron with different wall thickness. Among them, figures (a) –
There are many factors that cause slag hole defects, such as raw material composition of gray cast iron, slag removal
There are two traditional solutions to the shrinkage defects of lost foam casting nodular iron castings. One is to set
The figure shows the graphite morphology of vermicular graphite cast iron with different wall thickness. Among them, figures (a) –
Slag hole (including sand hole) is also one of the common defects of gray cast iron cylinder block produced by
The inclusion of reducer housing is related to the process characteristics of lost foam casting nodular cast iron, which can
Y-shaped samples were used. The burden ratio was 85% of cast pig iron and 15% of Q235 steel. The addition
Most of all kinds of porosity casting defects are located in the key parts of the cylinder block, and the
The engine block is one of the most complicated parts in the cast parts, and various sand cores are needed
The carbon content of ductile iron castings in lost foam casting is generally 3.5% ~ 3.8%, which is easy to
According to the element distribution of line scanning and surface scanning, the thickness of interface bonding zone of composite samples
Porosity casting defect has always been the most common defect in sand casting gray iron castings. It refers to the
With the rapid development of economy, the domestic demand for large and complex castings in the fields of automobile, aviation,
The solidification process of iron carbon alloy plays a decisive role in its final structure. Depending on the cooling rate,
(1) Effect of amplitude on hardness of gray cast iron Figure 1 shows the change curve of Brinell hardness of
The simulation results of lost foam casting of the improved turbine rear exhaust nozzle are shown in the figure. It
1.Manufacturing process route of connecting rod The general manufacturing process of quenched and tempered steel connecting rod is: forging →