For each sand casting process scheme, sufficient experimental preparations need to be carried out before the temperature measurement experiment, which […]
In order to solve the interface heat transfer coefficient between sand casting and mold / core through numerical back calculation,
In the process of metal solidification during sand casting, the solidification volume contraction of metal and the thermal expansion of
According to the comparison of the numerical simulation results of the scheme, it is found that by reasonably increasing the
It can be found from the analysis that simply changing the height of the pouring riser of nodular cast iron
Firstly, from the aspect of changing the height of nodular cast iron pouring riser, without changing the diameter and neck
According to the simulation results in the previous section, it is found that the feeding channel of riser neck is
The temperature distribution of nodular cast iron during solidification of automobile hub support is shown in Figure 1. As can
Nodular cast iron belongs to a typical paste solidification mode. The possibility of shrinkage porosity, shrinkage cavity, air hole, slag
The temperature node is taken between AC1 and AC3 of 2Crl3. Since the austenitizing of 2Crl3 begins at 820 °
(1) Material definition The material used in the simulated automobile hub support is the high strength and Toughness Nodular Cast
Using ugnx12 0 software to model the pouring and feeding system of automobile hub support. UG NX12. 0 is a
After the molten metal is poured into the mold, it usually produces volume shrinkage in the process of solidification and
After determining the type and layout of the nodular cast iron gating system, it is necessary to calculate the specific
Among the many strengthening mechanisms, the method of grain refinement is the best way to control the strength and toughness
The function of sand core is to shape the hole, inner cavity or parts that are not easy to produce
When studying 00cr13ni5co9mo5 maraging stainless steel, Luo Jing et al. Found that only a small amount of martensite was transformed
2Crl3 stainless steel is a hypoeutectoid steel. The temperature is raised to the austenite transformation temperature and kept for a
Li Yupeng and others found that under the same quenching and tempering process, the tensile strength of 2Cr13 Steel after
To design the process of nodular cast iron, in addition to selecting the correct casting method and process scheme, the
The selection of parting surface is directly related to the dimensional accuracy, production cost and efficiency of nodular cast iron.
According to the actual production situation, the automobile hub support casting is produced by using the Japanese Xindong automatic pouring
The traditional heat treatment method of 2Crl3 generally recommends 1000 ° c-1050 ° C oil cooling or water cooling +
Spheroidizing treatment and inoculation treatment are essential pre furnace treatment steps for raw molten iron of nodular cast iron. The
In order to obtain as cast ferrite pearlite nodular cast iron with high strength and good plastic toughness, the production
The automobile hub support is an important support of the rear suspension system of the car, one for the left
The series of experiments were carried out on the filling process of lost foam casting of gray cast iron by
In order to analyze the effect of Cu and Mn content on the mechanical properties of ductile iron casting, tensile
The filling form of regular flat plate model is divided in the front. In actual production, the structure of lost
The lamellar spacing of pearlite will also affect the tensile strength of ductile iron casting. Generally, the smaller the lamellar
