Baking of investment casting impeller shell
The 75 kW box type electric furnace is used for investment casting impeller blade investment baking equipment. The investment casting […]
The 75 kW box type electric furnace is used for investment casting impeller blade investment baking equipment. The investment casting […]
If the coating tooling is removed immediately after the coating of partial mold shell of investment casting impeller blade, due
The assembly and welding process of investment casting impeller includes wax mold trimming, wax mold cleaning, wax mold inspection and
(1) The welder assembly of impeller blade assembly is composed of 6 parts: upper cover plate, lower cover plate, locating
In the traditional sense of investment casting, the welding of investment module, that is, after removing flash, polishing and inspection,
The investment casting process of single impeller blade mainly includes several processes: mold material preparation, investment mold manufacturing, cooling, storage
The first step in the preparation of the melt mold shell is to manufacture the melt mold of the whole
Nominal dimension of die cavity of investment casting impeller blade L: Where LP – average dimension of investment casting impeller
From the beginning of manufacturing the investment mold to the formation of the casting, the size of the impeller blade
(1) Investment casting impeller blade pressing structure After analyzing the structure, shape, technical requirements, production conditions and economy of investment
Based on the previous experience of investment casting and sand casting in the production of various impellers, the two commonly
a. Analysis of sand mold casting process for impeller The overall size of the sand cast impeller is large, and
C Si Mn P S Cr Mo 0.32-0.42 0.20-0.45 0.50-0.80 ≤0.025 ≤0.025 0.80-1.20 0.20-0.30 The planet carrier is made of
1. Structure of cast impeller The stainless steel impeller shown in Figure 1 is a key component of a large
As shown in the figure, the shrinkage cavity distribution with volume fraction greater than 0.05 predicted by numerical simulation technology
1. Gridding The analysis is performed in the Ansys Workbench. The first step in finite element analysis of casting diaphragm
The figure shows the numerical simulation solidification of the gearbox at different times. It can be seen from the figure
The picture shows the filling state diagram of the gearbox case at different times, of which yellow is metal liquid.
In the process of lost foam casting, high temperature molten metal can quickly decompose foam pattern after contacting with foam.
1. Casting characteristics As shown in Figure 1, the overall dimension of the box is 560mm × 480 mm ×
The carbon emissions of the two schemes before and after optimization are calculated respectively. By comparing the carbon emission of
The carbon emission of materials based on the coupling process parameters of sand casting is calculated according to the formula.
Matlab 2016b software is used for calculation. The trend of calculated fitness is shown in Figure 1, and the optimal
The genetic algorithm is used to solve the global optimization of the industrial design parameter scheme of sand casting. Before
Carbon emission of materials based on coupling process parameters of sand casting The energy and carbon emissions based on the
A set of process parameters are designed, as shown in the table. Parameter type Programme Draft angle 2° Machining allowance
In order to study the effect of different silicon content on the structure and properties of ductile iron and the
The method is simulated and verified by a case list. A sand casting enterprise produces the motor shell, and the
The inherent property process parameters of sand casting are the parameters determined by the nature of the object affected by
The coupling design parameters in sand mold casting process parameters, such as casting temperature, holding time, cooling time, surface treatment,