Process improvement of large vermicular graphite iron castings
1. improvement of vermicular treatment equipment When the company produces vermicular graphite cast iron engine cylinder block and cylinder head, […]
Scientific
Scientific
Scientific
Microstructure and properties of T6 state metal mold casting alloy under high temperature tension
Figure 1 shows the tensile yield strength, tensile strength and elongation of T6 alloy at room temperature and high temperature.
Scientific
Microstructure and properties of T6 state metal mold casting alloy under room temperature tension
Figure 1 shows the aging hardening curve of Mg – 0.43nd – XY – 0.08zn – 0.11zr alloy at 200
Scientific
Microstructure and mechanical properties of metal mold casting alloy
Figure 1 shows the optical structure of Mg – 0.43nd – XY – 0.08zn – 0.11zr alloy after solution treatment.
Scientific
Microstructure and mechanical properties of as cast metal mold casting alloy
Figure 1 shows the microstructure of as cast Mg – 0.43nd – XY – 0.08zn – 0.11zr alloy. It can
Scientific
Effect of pressure on Microstructure and mechanical properties of rheo squeeze casting alloy
The semi-solid slurry of nz30k alloy was squeeze cast under different pressures. The effect of pressure on Microstructure and mechanical
Scientific
Strengthening mechanism of rheo squeeze casting alloys with different forming methods
Fig. 1 is an OM picture of the alloy structure of metal mold casting and conventional squeeze casting. As shown
Scientific
Effect of pressure on Microstructure and mechanical properties of rheo squeeze casting alloy
Generally speaking, the gap between the alloy melt and the die is reduced and the heat transfer is accelerated under
Scientific
Microstructure analysis of squeeze casting
The microstructure of the alloy was observed by metallographic microscope. The metallographic samples were prepared as follows: (1) Sampling: Using
Scientific
Conventional squeeze casting and rheo squeeze casting
Conventional liquid squeeze casting and rheo squeeze casting are carried out by direct squeeze casting with vertical four column hydraulic
Scientific
Research status of slurry preparation for magnesium alloy semi solid forming casting
At present, scholars at home and abroad have invented different preparation processes for semi-solid slurry / ingot preparation. The purpose
Scientific
Dimensional error of selective laser sintering rapid investment casting
The process of PS rapid investment casting based on selective laser sintering was studied. Starting from the process of rapid
Scientific
Verification of error compensation for rapid investment casting
Through the actual observation of the casting, it is found that the appearance of the diffuser casting is complete, and
Scientific
Preparation of qualified castings for rapid investment casting
From the actual casting results of trial casting, it can be found that the upper part of the diffuser blade
Scientific
Trial production of alloy casting in rapid investment casting
The diffuser shell adopts high strength ceramic shell process, which is composed of surface layer, transition layer and back layer.
Scientific
Numerical simulation and result analysis of rapid investment casting
ProCAST simulation software was used to simulate the gating system, and the temperature field changes and casting defects during filling
Scientific
Pre processing setup of rapid investment casting simulation
UG software is used to save the designed initial gating system file in x-t format and import it into the
Scientific
Design of gating system for rapid investment casting process
Mainly through the trial production of rapid investment casting process, including: gating system design; casting simulation pretreatment settings; numerical simulation
Scientific
Metallographic structure control of chilled cast iron camshaft
1.Technical requirements For the technical requirements of metallographic structure, most customers’ products are basically consistent with those recommended in technical
Scientific
Compensation method for dimension error of typical complex parts in rapid investment casting
The size correction of the typical complex diffuser was completed by using magic software. Through the analysis of the size
Scientific
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
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