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 […]
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sand casting
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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
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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
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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
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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
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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
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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
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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.
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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.
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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
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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
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Sand casting process design
(1) Modulus calculation To calculate and design the riser, first analyze the product structure and calculate the modulus of thick
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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
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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
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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
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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
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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
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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
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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
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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
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Check sand casting
Sand casting fillet is directly related to the internal and external quality of products. At the joint, if the fillet
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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
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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
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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
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Setting of linear shrinkage of sand castings
After any liquid metal is injected into the mold, it goes through three interrelated shrinkage stages from pouring temperature to
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Pretreatment of sand casting process simulation
1. Model transformation and mesh generation The coupler body and sand casting process are modeled by proe and exported by
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Cost of molding materials for sand casting of steel castings
① Furan resin sand process The average amount of resin added is 0.9%, the amount of curing agent added accounts
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Production of shell steel castings by sand casting
Mainly analyzes and summarizes ZHY Casting optimized sand casting process from the aspects of product quality, scrap rate, product quantity,
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Characteristics and original process of sand casting steel castings
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
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Optimization of sand casting coupler tongue
The coupler knuckle is connected with the coupler body through the coupler knuckle pin. During the operation of the vehicle