Design of heating subsidy for sand casting dual phase steel castings
1. Design of metal subsidy for sand casting In order to facilitate the comparison and production of subsidies, only the […]
News
sand casting
Scientific
Prediction criterion of shrinkage porosity in sand castings
According to the formation mechanism of shrinkage cavity and porosity in sand casting and based on the numerical simulation of
News
Application of heating subsidy in sand casting production of dual phase steel castings
In sand casting production, metal subsidies are often set to extend the feeding distance of the riser. In most cases,
Scientific
Three dimensional heat transfer mathematical model of solidification process in sand casting
The three-dimensional heat transfer mathematical model of numerical simulation of solidification process of sand casting is unsteady heat conduction partial
Scientific
Basic mode of heat transfer in solidification process of sand casting
According to the theory of heat transfer, the process of sand casting high-temperature metal from pouring into the mold to
Scientific
Low pressure sand casting of aluminum alloy complex thin wall parts
1. Selection of casting method The wall thickness of the casting is thin, the flow resistance of the molten metal
Scientific
Sand mold low pressure casting of aluminum alloy complex thin wall parts
Aluminum alloy castings are widely used in railway, military, aerospace, automotive, medical and other fields because of their good comprehensive
Scientific
Sand casting technology of shearer rocker arm shell
If the sand mold casting process is unreasonable, the local hot spots of the casting shell will increase. In order
Scientific
Sand casting of shearer rocker arm shell
Rocker arm shell is one of the important parts of shearer. The rocker arm shell of the shearer is a
News
Simulation technology of sand casting
The development of sand casting process simulation technology is closely related to the development of computer technology. Since 1962, scientists
Scientific
Prediction of shrinkage porosity defects in sand castings
The prediction of shrinkage defects in sand castings during solidification is mainly realized by using shrinkage defect criterion. Shrinkage porosity
Scientific
Countermeasures for sand casting defects of steel castings
According to the above casting defect analysis and countermeasures, a new process diagram is finally formed, as shown in Figure
Scientific
Analysis of production defects in sand casting of steel castings
(1) The section diagram corresponding to the casting defect I is shown in Figure 1. The casting defect I occurs
Scientific
Production verification of sand casting of steel castings
1.Mold making and trial production According to the designed process drawing and tooling drawing, the die quotation is carried out.
Scientific
Design of gating system in sand casting
Draw the process drawing of sand casting according to the processing quantity and riser calculated before. Refer to attached Fig.
Scientific
Effect of riser in sand casting
The effect of checking the riser mainly includes the check of feeding range and feeding weight. One method to calculate
Scientific
Technology of sand casting bracket steel castings
1. Problem description Sand casting bracket steel casting, steel casting No. 20e-70-k1432. The steel casting is a new external product
Scientific
Sand casting process design
(1) Modulus calculation To calculate and design the riser, first analyze the product structure and calculate the modulus of thick
Scientific
Boundary contour and solidification state display of sand casting
In the visualization of metal solidification numerical simulation, when the sand casting solidifies gradually, to display the solidification state, it
Scientific
Display diagram of shrinkage porosity and shrinkage cavity defects of sand castings
The display of target data such as casting defects is an important part of 3D data field visualization of numerical
Scientific
Sectional view of sand casting entity
Sometimes it is necessary to know the internal information of sand castings, so it is also necessary to display the
Scientific
Prediction of shrinkage porosity and shrinkage cavity defects in sand castings
1.Principle introduction During metal solidification, the volume shrinkage and solidification shrinkage between liquid and solid phase lines are the main
News
Determination method of isolated hot spot and prediction algorithm of shrinkage cavity and porosity defects in sand castings
Shrinkage cavity and porosity defects are common defects in casting production. One of the purposes of numerical simulation of casting
Scientific
Simulation example of temperature field in sand casting
For the calculation and Simulation of the temperature field of sand casting, the following takes the large casting thrust bearing
Scientific
Solidification and heat transfer process of sand casting
Heat is usually transmitted from one part to another through heat conduction, convection and radiation. In the process of sand
News
Numerical simulation software of sand casting
Although the numerical simulation technology of temperature field has become practical, in fact, there are still many aspects worthy of
News
Check sand casting
Sand casting fillet is directly related to the internal and external quality of products. At the joint, if the fillet
Scientific
Technology of sand casting of steel castings for boom
1.Problem description Sand casting boom steel casting, steel casting No. 322232642, is an accessory of atlas process engineering machinery rock
News
Improvement of sand casting defects of steel castings
Through the production verification of product k141 and the implementation of lack of vision countermeasures, it can be seen that
News
Concept and design principle of riser in sand casting
The riser is a structure for storing molten metal in the mold, which is used to compensate for the possible