Defect analysis of 5083 aluminum alloy casting plate
With the development of industry, higher requirements are put forward for the performance and service life of structural parts made […]
With the development of industry, higher requirements are put forward for the performance and service life of structural parts made […]
Grey cast iron is widely used in the production of automobile brake discs because it combines the main properties required
Based on the existing working conditions of the factory (sand box size, sprue specification, ladle specification, automatic pouring line, etc.),
Porosity casting defects are holes that appear in the interior or surface of the casting, and the cross section is
As a key structural member in mining, metallurgy, coal, electric power and other industries, the composite seamless pipe is just
Impeller casting has excellent mechanical properties: no hot crack tendency, good impeller casting performance, small linear shrinkage, easy recovery and
1. Improve the temperature field of castings Through the simulation of the overall temperature field of the casting with the
1. Production conditions of Lost Foam Casting Thin-wall gray cast iron gearbox shell The production conditions and parameters of Lost
(1) Preservation of casting coatings Prevent drying; Prevent freezing; No entry of mold and miscellaneous bacteria; After use, it shall
Figure 1 shows the simulation results of temperature field in the process of filling, solidification and cooling of liquid metal
The geometric deviation of a precision casting low-pressure turbine blade is studied by using the method of probability and statistics.
1) The lost foam casting process of nodular iron shell with relatively complex shape is successfully analyzed by ProCAST software,
In the 1980s, Siempelkamp company of Germany successfully developed castor series nodular cast iron transport containers. Compared with other metal
As shown in the figure, the ultrasonic scanning diagram of aluminum alloy plates with class a over standard defects is
The chemical composition (mass fraction, the same below) of 5083 aluminum alloy plate is: 0.4% – 1.0% Mn, 4.3% –
Considering the influence of turbine blade investment casting process accuracy, the objective fact that the real shape of Aeroengine Blades
Man28-33d wet cylinder liner is selected as the research object. The blank length of cylinder liner is 686mm and the
Through the analysis of the problems in the actual production of the original lost foam casting process and the ProCAST
1. Tendency shrinkage defects of gray iron castings after processing In the process of design and development of gray iron
1. Metallographic comparison The metallographic structure comparison before and after the improvement of the process of producing nodular cast iron
1. Molding process The two box core molding is adopted, and the sand filling core under the side molding is
Figure 1 shows the simulation of velocity field of molten metal. It can be seen from figure 1A that the
Engine is the power source of automobile and ship, and cylinder liner is one of the core components of engine.
The numerical simulation of lost foam casting filling process is shown in the figure. The whole filling process is stable
In casting production, due to the uneven wall thickness of the gray cast iron cylinder head, it is easy to
CB2 cast steel is a 9%~12%cr martensitic heat-resistant steel with a composition of 0.13c-9cr-1.5mo-1co-vnbnb, which is obtained by reducing C,
CB2 cast steel is a heat-resistant steel developed for 630 ℃ ultra supercritical units in the European joint research project
C Si Mn P S Cu Sb Mgincomplete 3.43 2.09 0.42 0.020 0.010 0.65 0.005 0.045 According to the above
The characteristic of rotary disc sand mold casting is rectangular. The internal and external shapes of rotary disc sand mold
1. White mold making Due to the large size of the vacuum pump shell casting, the white mold of the