Application effect analysis of high chromium cast iron in large autogenous mill liner
Select a mine φ 12.2 m × The middle ring liner of 11.0 m autogenous mill is taken as the […]
Scientific
Scientific
Scientific
Dimension error calculation of typical complex parts in rapid investment casting
Combined with the rule of dimension error transfer from CAD model to one-time wax impregnation, the dimension shrinkage in X
Scientific
SLS forming of typical complex parts in rapid investment casting
Based on the rule of dimensional error transfer and reverse engineering, the 3D digital scanning of complex parts after one
Scientific
Process design of high chromium cast iron in large autogenous mill liner
Composition analysis of high chromium cast iron At present, the research of high chromium cast iron focuses on hypoeutectic or
Scientific
Observation on size error transfer from prototype to wax pattern in SLS rapid investment casting
In view of the influence of different post-treatment on the surface quality of the specimen, considering the low surface strength
Scientific
Casting process design of lower half casting of rear cylinder of marine steam turbine
Analysis of casting structure and casting process The main body of the lower half casting of the rear cylinder is
Scientific
Analysis of post processing results of size error transfer from prototype to wax pattern in SLS rapid investment casting
In the experiment, the dimension deviation is used as the measurement index of the dimension accuracy of the specimen. The
Scientific
Design of wax impregnation scheme for SLS rapid investment casting prototype
For the SLS fired specimens, the specific dimensions are shown in Figure 1. The size of the sample for selective
Scientific
Dimension error from CAD model to SLS rapid investment casting prototype
The process parameters of SLS were predicted as follows: temperature 95 ℃, laser power 30W, powder layer thickness 0.14mm, scanning
Scientific
Selection of dimension error transfer specimen from CAD model to SLS rapid investment casting prototype
As for specimen selection, Wang Danni of Wuhan University of science and technology used finite element analysis and BP neural
Scientific
Analysis of solidification error of casting alloy
The transformation of alloy from liquid to solid is called solidification, during which casting defects are concentrated. In the process
Scientific
Influence of forming equipment on forming precision of SLS rapid casting
For SLS rapid prototyping process, it is difficult to achieve the SLS prototype with good surface quality and dimensional accuracy
Scientific
Effect of process parameters on precision of SLS rapid casting prototype
In the selective laser sintering process, the process parameters have a great influence on the sintering quality. The main influencing
Scientific
Effect of model delamination on precision of SLS rapid casting
The delamination thickness of the model is mainly determined by the precision of the rapid prototyping equipment, the particle size
Scientific
Influence of data model discretization on SLS rapid casting precision
STL (stereolithography) was founded by 3D system software company. It was initially used in the early stereolithography machine to determine
Scientific
Analysis on macro error sources of rapid investment casting
Because the sintered materials are mainly thermoplastic polymer materials and their composites, under the action of laser, the powder absorbs
Scientific
Analysis of micro error sources in rapid investment casting
In SLS rapid investment casting process, there are SLS prototype preparation, SLS prototype post-processing and alloy casting solidification process, and
Scientific
Rapid investment casting process
Based on the process of rapid investment casting, the source of dimension error in the process of rapid investment casting
Scientific
Application of selective laser sintering technology in foundry
Selective laser sintering (SLS) is also known as selective laser sintering (SLS). As a processing technology based on the idea
Scientific
Heat transfer behavior and pressure transfer law of casting die interface in squeeze casting
The experimental and modeling studies on the heat transfer behavior and pressure transfer law of the casting die interface in
Scientific
Tensile fracture mechanism of T6 rheo SQUEEZE CASTING 7075 alloy
The microstructure after heat treatment was observed and studied. It was found that there were various sizes of holes left
Scientific
Displacement distribution of squeeze casting
The displacement of casting is defined as the displacement of nodes caused by solidification shrinkage and punch pressing. As shown
Scientific
Pressure distribution in Squeeze Casting
As shown in Figure 1, the pressure nephogram of aluminum alloy and magnesium alloy castings at different times (the pressure
Scientific
Comparison of mechanical properties between as cast and T6 states of 7075 alloy by rheo squeeze casting
The comprehensive mechanical properties of 7075 alloy wheel parts in as cast and T6 states by rheo squeeze casting were
Scientific
Solidification process of squeeze casting
Figure 1 (A-D) and figure 1 (E-G) show the solidification of aluminum and magnesium alloy castings at different times during
Scientific
Mechanical properties of 7075 alloy parts by rheo squeeze casting after heat treatment
Although rheo squeeze casting can improve and improve the mechanical properties of 7075 alloy parts and eliminate some macro segregation,
Scientific
Calculation results of interface pressure in Squeeze Casting
As shown in the figure, the casting die interface pressure reaches the maximum value soon after the applied pressure. The
Scientific
Mathematical model of pressure transfer law in squeeze casting process
The simulation method based on ANSYS is used to solve the temperature field and stress field in squeeze casting process.
Scientific
Experimental setup of pressure transfer law in squeeze casting process
In the process of squeeze casting experiment, the material of the casting is aluminum alloy and magnesium alloy. The shape
Scientific
Interface heat transfer coefficient model of squeeze casting with interface pressure reduced to zero
With the solidification process, the interface pressure gradually decreases to zero at some positions. When the interface pressure is reduced