Analysis of solidification process of sand casting
Fig. 1 shows the temperature field changes of sand castings at 10s, 60s, 130s and 340s after the molten metal […]
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Performance test of a new vibrating system for lost foam casting
1. Vibration consistency test Take 18 positions on the sand box, and take 3 ~ 4 points at different heights
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Sand mold technology of automobile engine cylinder block in China
Hangzhou engine factory mainly produces six cylinder engine (HT250). Equipment: one kW static pressure line, one BMD air flushing line,
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Research status of simulation of casting mold filling and solidification process
After decades of development, the computer simulation of casting filling and solidification process has After decades of development, the computer
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Spheroidizing process of nodular cast iron
At present, the most commonly used spheroidizing agent for nodular cast iron in China is rare earth silicon iron magnesium
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Numerical simulation of China casting
Casting is a traditional and ancient production technology with a history of more than 4000 years. China is a big
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Relationship between microstructure and mechanical properties of nodular cast iron
Both graphite ball and matrix will affect the mechanical properties of nodular cast iron. It is found that with the
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Characteristics of nodular cast iron for wind power fittings
Referring to the latest ductile iron standard GB / t1348-2009, the brand, mechanical properties and metallographic structure of ductile iron
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Production of low temperature ductile nodular cast iron
In the production of low temperature ductile nodular cast iron, the common method is to add nickel, which can improve
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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
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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
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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
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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.
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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
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Influence mechanism of inoculation treatment on Microstructure and mechanical properties of experimental gray cast iron
It can be seen from the experiment that in terms of mechanical properties, the mechanical properties of experimental gray cast
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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
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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.
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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
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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
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Study on primary austenite dendrite of high strength gray cast iron
Most of the gray cast iron used in engineering belongs to hypoeutectic gray cast iron. During crystallization, this gray cast
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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,
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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,
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Sand coated casting technology of nodular cast iron crankshaft
In order to reduce the process cost, the mold filling process and casting cooling process were studied respectively. The Nodular
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Effect of copper content on mechanical properties of nodular cast iron
Copper can promote the formation of pearlite structure, improve the uniformity of microstructure and properties of nodular cast iron, increase
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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
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Rapid sand casting of cylinder head
ProCAST software is used as sand mold casting simulation software to solve the interface heat transfer coefficient, but there are
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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
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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
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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
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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.