Lost foam casting process production of vacuum pump shell castings
The chemical composition of molten iron is shown in Table 1. The double wire feeding spheroidization process with cover is […]
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Bonding interface of bimetal composite roll in centrifugal casting
The microstructure and characteristics of the bonding interface play a key role in the macro mechanical properties of the composite
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Mold filling simulation process and analysis of lost foam casting process
As shown in the figure, the filling process diagram of lost foam casting after the improved process is shown. The
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Proportion of zirconium free composite cast steel coating
The performance indexes of zirconium free composite cast steel coating 405B (hereinafter referred to as tl405b) are shown in the
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Analysis of thermal conductivity of gray cast iron
The main reason why grey cast iron is widely used in cylinder block is that it has better thermal conductivity
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Optimization of pouring process for Wheel Castings
It can be seen from the analysis that there is no liquid metal feeding at the center of the wheel
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Analysis of simulation results of lost foam casting process
Tetrahedral mesh is still used in meshing. After meshing, the whole model package has 163266 nodes and 884220 elements. The
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Analysis of mechanical properties and fracture morphology of gray cast iron
Figure 1 shows the mechanical properties of gray cast iron materials with different carbon equivalents. It can be seen that
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Numerical simulation and analysis of Wheel Castings
1. Process parameter setting C Si Mn P S 0.45~0.55 0.20~0.40 1.50~1.80 ≤0.030 ≤0.030 According to the national standard jb/t
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The latest research progress in the application of rare earth in cast steel
In order to ensure the smooth operation of the overall process of cast steel production, while taking into account the
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Application prospect of high Si nodular cast iron
Table 1 shows the impact absorption energy of nodular cast iron V-notch samples at different ambient temperatures. The samples are
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Design of gating system in lost foam casting process
Compared with the traditional sand casting, the process of lost foam casting is much more complex, so the design of
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Process performance analysis of Wheel Castings
1. Model establishment Figure 1 is a three-dimensional part drawing of the wheel of a mining flat car, with an
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Casting process of mining flat car wheel castings
Wheel is one of the important parts of mining flat car. It needs to bear large alternating stress and bending
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Riser design of lost foam casting process
Generally, the commonly used forms of lost foam casting risers are waist, cylindrical and spherical. Under the condition of the
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Inspection of nodular cast iron automobile brake caliper castings
1. Chemical composition detection Arl3460 direct reading spectrometer is used for chemical composition detection, and the chemical composition detection results
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Smelting of high quality steel castings
With the acceleration of social development in China, the production technology and level of all sectors of society have also
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Microstructure analysis of gray cast iron
Graphite in gray cast iron is a weak phase, and its strength is close to zero. If there is a
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Production verification of nodular cast iron automobile brake caliper casting
1. Molding sand properties In order to ensure good surface quality of castings, the performance of green molding clay sand
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Application of rare earth in cast steel
The history of the application of rare earth in the field of steel casting can be traced back to the
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Three dimensional model design method for riser of steel castings
1. Local modulus extraction of 3D model In the production process, the riser design of steel castings conforms to the
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Preparation and test methods of gray cast iron specimen materials
Gray cast iron with different carbon equivalent Ce (3.2%, 3.4%, 3.6%, 3.8%, calculated by ce=si/3+ct, Si is taken as the
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Production example of large steel casting molding process
1. Production examples of Shanghai Heavy Machinery Factory Co., Ltd Located in Minhang District of Shanghai, Shanghai Heavy Machinery Works
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Casting technology of nodular cast iron automobile brake caliper
1. Layout design Disa230b vertical parting boxless injection molding machine is adopted, and the size of molding machine plate is
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Characteristics of nodular iron shell castings and original lost foam casting process
As shown in Figures 1 and 2, the lost foam casting is a shell part with a maximum size of
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Effect of rare earth on as cast microstructure of cast steel
Many researchers have found that rare earths have the effect of refining grains. The reason is that on the one
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Friction and wear properties of gray cast iron surface after graphitization annealing
Friction and wear tests were carried out on three gray cast iron samples annealed at 700 ℃, 800 ℃ and
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Purification effect of rare earth on molten steel of cast steel
(1) Deep deoxidation and desulfurization: rare earth is easy to react with oxygen and sulfur elements in the molten steel
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Graphite transformation in laser modified layer of gray cast iron
After cementite decomposition, carbon atoms diffuse from cementite austenite interface to graphite austenite interface. During annealing, carbon atoms in austenite
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Residual stress analysis of vermicular cast iron pressure plate casting
Figure 1 shows the equivalent stress nephogram of vermicular cast iron pressure plate. It can be seen that the equivalent