Analysis of solidification process of sand casting
Observing the change of temperature field in the solidification process of sand castings can accurately predict the location of shrinkage […]
Scientific
Scientific
Scientific
Chemical composition analysis of cast low alloy bainite wear resistant steel shovel teeth
1.Impact of carbon It can be seen from Fig. 1 and Fig. 2 that the toughness of steel decreases with
Scientific
Application status of vibrating system in lost foam casting
1. lost foam casting vibrating system ZHY casting adopts 20 ~ 40 mesh quartz sand and manual bag sand adding
Scientific
Observation and analysis of matrix structure of nodular cast iron
According to GB9441-2009 metallographic inspection standard for nodular cast iron, the pearlite content in the as cast matrix is graded.
Scientific
Selection of spheroidizing process for nodular cast iron
The spheroidizing treatment process of nodular cast iron mainly includes the types of spheroidizing agent and the adding method of
Scientific
Observation and analysis of nodular cast iron
Through the observation of metallographic photos, the spheroidization level of a1-a8 and B1-B4 and the size level of nodular graphite
Scientific
Effect of low temperature on impact toughness of nodular cast iron
The figure shows the change law of impact toughness of nodular cast iron of B2 and B4 samples with temperature.
Scientific
Effect of heat treatment process on mechanical properties of nodular cast iron
The figure shows the difference of mechanical properties of nodular cast iron of series a samples under as cast and
Scientific
Effects of other production processes on mechanical properties of nodular cast iron
In addition to chemical composition, the influence of other production processes mainly refers to the influence of melting process, spheroidizing
Scientific
Doe analysis of surface nitriding of precision casting parts
The main causes of poor plasma nitriding of precision casting parts are heat treatment temperature, heat treatment time, nitrogen concentration,
Scientific
Effect of bismuth content on mechanical properties of nodular cast iron
Bismuth can significantly increase the number of graphite spheres. When the number of graphite balls in nodular cast iron increases,
Scientific
Effect of silicon content on mechanical properties of nodular cast iron
The effects of silicon, copper and Bismuth on mechanical properties were analyzed. The figure shows the effect of silicon on
Scientific
Process parameters in melting experiment of nodular cast iron
During the sample preparation of nodular cast iron, the discharge temperature, pouring temperature, spheroidizing treatment time and total pouring time
Scientific
Production process design of nodular cast iron
The production process of nodular cast iron to be designed in the experiment mainly includes melting process, molding process, spheroidizing
Scientific
Analysis of mold filling process of sand castings
The first Pouring Scheme of cylinder head – the temperature field distribution of sand casting with single side top injection
Scientific
Improvement on fracture defect of guide wheel of sand casting excavator
(1) Improvement scheme of sand casting process improvement measures for defects such as sand holes and pores are as follows.
Scientific
Trace elements in nodular cast iron of wind power castings
Trace elements are interfering spheroidizing elements, but due to the neutralization effect of rare earth elements added in production, adding
Scientific
Selection of inoculation treatment process for nodular cast iron
After spheroidizing treatment, spheroidizing elements will make nodular cast iron have a greater tendency to white. At this time, inoculation
Scientific
Metallographic structure and SEM observation of surface defects of AlMg10 alloy casting parts
Metallographic structure and scanning electron microscope observation of the alloy select the parts with serious corrosion and take samples along
Scientific
Chemical composition of nodular cast iron
The research on the chemical composition of nodular cast iron provides a reliable basis for the composition design of the
Scientific
China Foundry Equipment Safety Standard
All the mandatory clauses in the current nine mandatory national standards for foundry machinery have been integrated, streamlined and revised
Scientific
Chemical composition of cast low alloy bainite wear resistant steel shovel teeth of excavator
Carbon is the main element in steel and plays a decisive role in the matrix structure of steel. A small
Scientific
Excavator guide wheel of sand casting defects
With the continuous development of mechanization and integrated construction in China, the scale of construction machinery industry is expanding year
Scientific
Determination of gating system type and size in sand casting
Since the sand casting material is aluminum alloy ZL105, an open gating system is adopted. It has the following characteristics:
Scientific
Alloying elements of nodular cast iron for wind power castings
Common alloy elements include nickel, copper, aluminum, chromium, vanadium and other elements. 1.Nickel Nickel is a chemical element commonly used
Scientific
Basic elements of nodular cast iron for wind power castings
There are five basic elements: carbon, silicon, manganese, phosphorus and sulfur. 1.Carbon Carbon is the direct source of graphite ball.
Scientific
Optimization of sand casting process for rear axle housing
(1) Gating system optimization. Aiming at the problem of unstable liquid metal filling, the gating system was improved. The optimized
Scientific
Chemical composition analysis of surface defects of AlMg10 alloy casting parts
1. Chemical composition of corrosion products on the surface of cast parts In order to prevent other foreign impurities from
Scientific
Fracture defect of guide wheel of sand casting excavator
Through the analysis of the failed parts by the method of factor diagram, the reasons for the fracture of the
Scientific
Simulation of sand casting scheme for rear axle housing
(1) Mold filling simulation analysis. Figure 1 and Figure 2 are the simulation diagrams of sand casting at 7.5 s