Design of semi closed gating system for sand casting axle housing
Semi closed gating system is adopted, and the proportion is as follows: Σ a inside: ∑ a transverse: ∑ a […]
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Design of open gating system for sand casting axle housing
The open gating system is adopted, and the proportion is as follows: Within Σ A: ∑A transverse: ∑A straight =
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Design of closed gating system for sand casting axle housing
The closed gating system is adopted, and the proportion is as follows: ΣA inside: ∑A transverse: ∑A straight = 1:1.3:1.5
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Calculation of average static head value of sand casting axle housing
According to the location of the inner gate of the axle housing, the gating system can be divided into top
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Draft angle of axle housing in sand casting
When there is not enough structural slope of the axle housing itself, enough draft angle of the axle housing should
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Problems in the original casting process of sand casting axle housing
As the original casting process adopts bottom pouring process, as shown in Figure 1 Through comparative analysis, it is found
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Sand core design of axle housing
The sand core is designed to form the inner cavity, forming hole or the part with complex shape which is
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Hardness of austempered ductile iron alloy
Effect of as cast microstructure on hardness of Austempered Ductile Iron The hardness test results of Austempered Ductile Iron with
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Effect of austempering process on tensile fracture morphology of Austempered Ductile Iron
The drawing shows SEM photos of tensile fracture morphology of Austempered Ductile Iron with different austempering process parameters. It can
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Effect of casting wall thickness on tensile fracture morphology of Austempered Ductile Iron
The figure shows the secondary electron image of tensile fracture of Austempered Ductile Iron with different wall thickness treated at
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Effect of as cast microstructure on tensile fracture morphology of Austempered Ductile Iron
The drawing shows SEM pictures of tensile fracture surface of Austempered Ductile Iron with different as cast microstructure after treatment
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Effect of as cast microstructure on tensile properties of Austempered Ductile Iron
The percentage of pearlite in as cast ductile iron with MS = 0.25 cm, Ms = 0.50 cm, Ms =
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Effect of technological factors on mechanical properties of Austempered Ductile Iron
The combination of high strength, good toughness, high specific strength, good wear resistance and high fatigue strength of austempered ductile
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Distribution of carbon in matrix micro zone of Austempered Ductile Iron
Fig. 1, Fig. 2 and Fig. 3 show the linear scanning position and energy spectrum test results of carbon element
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TEM analysis of fine structure of ultra fine austenite in Austempered Ductile Iron
Fig. 1 and Fig. 2 show the transmission electron micrograph and selected area electron diffraction pattern calibration of the austenite
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Effect of as cast microstructure on Microstructure of Austempered Ductile Iron
After austenitizing treatment and isothermal transformation, the microstructure of ductile iron has changed obviously. Figure 1 shows the microstructure of
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Effect of austempering process on Microstructure of Austempered Ductile Iron
The austenitizing and isothermal transformation treatment was carried out on several samples taken from Φ 50 mm ductile iron test
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Correlation between matrix type of as cast ductile iron and carbon content in austenite
When the chemical composition of molten iron is constant, the smaller the casting modulus, the higher the amount of P
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Correlation between casting modulus and carbon content in austenite
Under the same austenitizing process parameters, the change of carbon content in austenite with modulus is shown in the figure.
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Effect of austenitizing process parameters on carbon content in austenite of as cast nodular cast iron with different modulus
The as cast nodular iron with MS = 0.25cm, 0.50cm and 1.25cm were austenitized and water quenched respectively. Fig.1 shows
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Variation of carbon content in ferrite of as cast nodular cast iron
Carbon content in bovine eye ferrite The microstructure of as cast ductile iron with MS = 0.25cm consists of 73.7%
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Preparation of nodular cast iron test
Chemical composition of nodular cast iron Qt400-18 nodular iron is selected for the study of austenitizing and austempering treatment in
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Design of sand core exhaust passage of ductile iron intake cylinder
When the high temperature molten iron is poured into the furan resin self hardening sand mold, the furan resin, curing
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Design and calculation of sand core head of ductile iron cylinder
The design of sand core head of intake cylinder is the most important content in sand core design, and also
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Design of sand core shape of nodular cast iron inlet cylinder
Sand cores are used to form the inner cavity, the hole and the parts that cannot be realized by the
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Determination of important casting process design parameters of nodular cast iron intake cylinder
Process design parameters are some parameters related to the pattern and core box manufacturing size, which have a direct impact
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Selection of pouring position of nodular cast iron into cylinder
The casting process plan mainly includes the selection of molding method, pouring position and parting surface. The determination of casting
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Determination of parting surface of nodular cast iron inlet cylinder
Parting surface refers to the contact surface of each casting mold which is divided into several segments. In practical production,
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Effect of pouring composition of nodular cast iron on morphology of thick and large section graphite
Through macroscopic observation and analysis of graphite floating, under the same wall thickness and pouring conditions of inlet cylinder, the
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Special shaped graphite in the center of Heavy Section Ductile Iron and its physical and chemical properties
Visual observation of the test block section with a thickness of 400mm shows that there are dense distribution of suspected