Improvement of casting process for automobile clutch flywheel
1.Runner 2. Runner cup 3. Riser 4, 5, 6. Ingate 7. Lap sheet 8. Sprue 9. Annular runner The original […]
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Analysis of slag inclusion in brake shell produced by Lost Foam Casting
1.Current process Due to the serious slag inclusion problem, the white mold material is replaced by stmma, the specific gravity
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Improvement of casting process for excavator guide wheel
1、 Improvement measures for defects such as sand hole and air hole are as follows. 1) Properly increase sand mold
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Analysis of casting process of excavator guide wheel and confirmation of main factors
Through the analysis of the failure parts by using the main factor diagram method, the causes of the fracture of
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Riser design of high carbon steel roll casting
Riser is a kind of structure for storing liquid metal in the mold, which is used to compensate the possible
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Riser design of high carbon steel roll casting
Through the observation of the defects, it is found that the defects are shrinkage porosity and shrinkage cavity, which are
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Finite element analysis of casting process scheme for extra large crusher frame
1. Static structural analysis Finite element static structural analysis is carried out for the box type and deep cavity type
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Scanning detection process and image generation of casting water cooled shell sample
After the sample navigation is completed, the detection can be started, as shown in Figure 1. Move the sample table
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Structural characteristics of water cooling shell and analysis of internal defects of castings
As shown in Figure 1, a low-pressure casting water-cooled housing for electric bus is in the shape of a drum
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The second and third trial production of cylinder head castings
The original material of zc170 cylinder head is HT300, the technical requirements are WCu = 0.5% ~ 0.8%, WCR =
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First trial production of cylinder head casting
1. Primary raw materials Q12 pig iron, industrial scrap, vermicularizing agent (wre = 9% – 11%, WMG = 4% –
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Controversy on the influence of metallurgical factors on shrinkage cavity and porosity of ductile iron
It is very important to select the appropriate carbon equivalent or carbon silicon content for the production of sound castings
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Effect of metallurgical factors on shrinkage cavity and porosity of ductile iron
1. Carbon, silicon and carbon equivalent When the carbon equivalent is at the eutectic point, the casting process performance is
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Analysis and prevention measures of blowhole defect in nodular cast iron roller
1. Defect analysis (1) The inner cavity of the cylinder body is a long strip-shaped sand core, and the gas
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Analysis and preventive measures of sand hole and slag hole defect in nodular cast iron roller
1. Defect analysis (1) The slag cleaning treatment of molten iron is not complete; (2) The results show that the
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Analysis and preventive measures of shrinkage hole defect of nodular cast iron roller shaft head
1. Defect analysis (1) There is a great difference in the wall thickness between the cylinder body and the shaft
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Effect of solidification pressure on growth mode of primary carbide in chromium white cast iron
In alloy 2, the nucleation and growth of primary carbides are in the high temperature liquid phase, and there is
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Analysis and preventive measures of casting deformation defect of nodular cast iron roller
1. Defect analysis (1) The stiffness of the base frame of the model is not enough, and the model is
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Production process of casting defects in nodular cast iron roller
The basic structure of roller casting includes barrel and shaft head, which is in the shape of revolving body. The
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Analysis and prevention of broken teeth of nodular cast iron gears
The casting is molded in a box of 2 pieces, with 550 kg spheroidizing treatment package, 10 boxes and 3
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Broken teeth of Ductile Iron Gears
The structure diagram of QT600-3 gear casting produced by ZHY casting is shown in Figure 1, and the overall dimension
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Effect of niobium on matrix structure of ball milled cast iron
The ferrite content in the matrix structure of ductile iron affects the carbon content of the matrix, thus affecting the
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Casting process design of a diesel engine case
1. Pouring position and parting surface According to the practical production experience for many years and the principle of accurate
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3D printing process for V-type gas engine cylinder block casting
The structure of cylinder block casting is complex, and there are many internal cavities. For this kind of structure casting,
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Annealing residual stress removal and tensile strength and hardness of high strength cylinder head castings
Three kinds of annealing process were selected, and the annealing time was 18 h, 11 h and 8 h, respectively.
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Effect of reducing residual stress in mold insulation of high strength cylinder head casting on tensile strength and hardness
The structure of 11 l engine cylinder head casting is shown in Figure 1, and the overall dimension of the
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Process optimization for reducing stress of high strength cylinder head casting
Through the above analysis, the process was optimized: the furnace holding time was extended to about 8 h, the temperature
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Structure reduction and stress relief process of high strength cylinder head casting
The structure of a 13 l cylinder head casting is shown in Figure 1, and the overall dimension of the
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Effect of silicon solution strengthening on properties of nodular cast iron
1) The strength and elongation properties of y-block hot metal casting were compared. It can be seen that with the
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Analysis of filling velocity field of gating system for large planetary carrier steel castings
Scheme 1 According to the simulation results in Fig. 1 (E), the whole filling process takes about 19.6 s, which