Metallographic analysis of vanadium titanium gray cast iron brake drum
Figures (a) ~ (d) are metallographic photos of vanadium titanium gray cast iron with different components. It can be seen […]
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Study on Microstructure and properties of vanadium titanium gray cast iron test materials and methods
1. Composition design In order to understand the influence of vanadium, titanium, carbon and silicon content on the microstructure and
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Thermal fatigue failure mechanism of gray cast iron
The thermal fatigue resistance of gray cast iron can be characterized by its tensile strength at corresponding temperature, which has
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Analysis of test results of gray cast iron under low frequency thermal fatigue load
1. Tensile strength test The experimental results of tensile strength of samples after different high temperature oxidation cycles are shown
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Test materials and methods of gray cast iron under low frequency thermal fatigue load
1. High temperature oxidation cycle test The size shall be 30 mm in a muffle furnace × 30 mm ×
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Sand casting of large nodular cast iron volute
Nodular cast iron has high mechanical properties, good sand casting performance, good fluidity, no hot crack tendency, shrinkage and high
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Test scheme and results of water-based lost foam casting coating for cast iron
Among all the components of water-based lost foam casting coating for cast iron, refractory aggregate is the main part. The
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Microstructure and tensile properties of gray cast iron under low frequency thermal fatigue load
Gray cast iron is a common material for the production of ingot mold, chassis, sintering grate and industrial valves. Its
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Test materials and methods for water-based lost foam casting coatings for cast iron
1. Water based lost foam casting coating test materials Bauxite: the main mineral composition is mullite, which has the advantages
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Isothermal quenching and Boronizing of gray cast iron
The samples of gray cast iron were treated by isothermal quenching and boronizing. The isothermal quenching process of gray cast
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Common defects of aluminum alloy lost foam casting
Lost foam casting technology is known as “casting technology in the 21st century” and “green revolution of casting industry”, which
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The second experimental stage of crack in lost foam steel casting
According to the previous experimental analysis, the next plan is proposed: accelerate the discharge of carbon in the white mold
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The first experimental stage of crack in lost foam steel casting
At the initial stage of trial production, zg27simn (carbon content 0.24 ~ 0.32%) was taken as the experimental sample to
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Lost foam casting test of large diameter thin wall ductile iron watch case
1. Determination of structural characteristics and blank size of lost foam Castings Figure 1 shows the shell model of Large
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Lost foam casting of large diameter thin wall ductile iron watch case
The traditional sand casting method is generally used in the production of cast iron water meter, which has complex process,
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Advantages and disadvantages of lost foam in casting process
1. Advantages of lost foam casting ① When using polystyrene foam in white mold manufacture, its density is very small,
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Hot joint analysis and riser design of nodular iron main reducer shell cover to avoid shrinkage defects
Casting hot joints are generally divided into structural hot joints and process hot joints. Structural hot spot refers to the
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Selection of parting surface and pouring position of nodular iron main reducer shell cover to avoid shrinkage defects
For the horizontal box free molding line, the parting surface of the production main reducer shell cover is generally selected
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Shrinkage cavity and porosity defect of nodular iron main reducer shell cover
The main reducer housing cover is an important component of heavy truck axle, which is matched with the main reducer
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Implementation and effect verification of High Toughness Nodular Cast iron cylinder head
Production preparation shall be carried out according to the established scheme. Since the injector hole core is made of hot
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Analysis and solution of shrinkage defect of High Toughness Nodular Cast iron cylinder head
1. Cause analysis This type of cylinder head integrates the intake pipe and rocker shaft seat on the basis of
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Improvement measures for casting process deformation defects of bed castings
1) In view of the insufficient stiffness of the bottom plate, a stiffener is added at the bottom of the
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Numerical simulation of casting process of zg310 large casting seat
Firstly, according to the calculation results, the 3D pouring model of the seat body is drawn in Pro / E
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Pouring position of zg310 large casting seat parts
The common characteristics of cast steel are high melting point, poor fluidity, large shrinkage, easy oxidation and inclusion. During casting,
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Study on casting technology of nodular cast iron sand suction pump body
The sand suction pump casting is mainly used for river dredging, dredging and Embankment Consolidation, and the delivery medium can
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Centrifugal casting isothermally quenched ductile iron bushing test process and method
1. Test materials Figure 1 shows the wear of excavator bushing. It can be found that the bushing has been
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Technical breakthrough in the production of China large steel castings
Large steel castings are mostly the main bearing parts and supports in major technical equipment. The castings have huge size,
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Determination of pouring position of zg310 large casting seat parts
The pouring position of castings refers to the position of large castings when pouring in the mold. Because the seat
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Process improvement of base plate castings for large machine tools
According to the types of base plate defects, corresponding measures are taken in the aspects of gating system, riser, composition
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Application of squeeze casting in commercial automobile engine mounting bracket
The 110 engine support of a commercial vehicle is shown in Figure 1. It has a long life cycle and