Optimization design scheme of composite mold process for sand casting
The particle swarm optimization algorithm is written based on MATLAB program. Set the number of particle population to 30, the […]
Scientific
News
Sand mold 3D printing and sand mold NC milling are representative technologies of Moldless sand casting
At present, the traditional casting industry has the problems of large energy consumption, low product manufacturing accuracy, large machining allowance,
Scientific
Original process design scheme of sand casting composite mold
BBased on the combination of mold materials and modeling methods, the composite mold can be divided into several units according
News
Development of foundry technology in China
The development of casting technology in China will focus on the following aspects: ① Green casting technology is an important
News
Output of various castings in China’s foundry industry
The output of steel castings in China has continued to grow since 2000 and is widely used in internal combustion
News
Statistics of China’s casting output in 2017
According to the data, the total output of various castings in China in 2017 was 49.4 million tons, an increase
News
Selection and optimization of low carbon process scheme for sand casting
Combined with the research status of related fields, the selection and optimization of low-carbon process scheme of sand casting is
Scientific
Technological conditions of sand casting
The end cover of a certain type of motor is produced by sand casting, and the mold is made by
News
Research status of Moldless sand casting and composite mold
The traditional mode of manufacturing and service capacity expansion has been difficult to meet the growing demand for products. Applying
Scientific
Establishment of optimization model of composite mold parameters in sand casting
The selection of process parameters of compound mold in Moldless sand casting needs to meet the goal of low-carbon sustainability.
News
Research status of sustainable development of foundry industry
Casting is the basis of equipment manufacturing industry, which undertakes the forming of most metal parts. As a relatively early
Scientific
Determination of constraint conditions of composite mold in sand casting
(1) Quantity restriction of mold module division In order to ensure the assembly accuracy between the divided mold modules, it
News
Effect of graphite morphology and distribution on properties of nodular cast iron
In recent years, with the development of mechanical equipment towards portability, low energy consumption and high efficiency, new requirements are
Scientific
Optimization of process parameters for sand casting compound mold
The idea of particle swarm optimization algorithm PSO (particle swarm optimization) comes from the research on the predation behavior of
News
Forming method and material selection of composite mold for sand casting
Driven by the technology of mold less sand casting, according to the principle of mold forming, the molding of mold
News
Refinement of microstructure and grain during heat treatment of steel
Grain refinement has always been an effective method to improve the strength and toughness of metal materials in the field
Scientific
Calculation model of carbon emission and carbon efficiency in Moldless sand casting process
The input of various resources and energy, as well as the output of finished products and wastes in each casting
News
Strengthening type of steel heat treatment process
The heat treatment process direction is mainly studied, and the following are several strengthening types: (1) Solid solution strengthening This
News
Metallographic structure analysis of three grades of gray cast iron
(1) The graphite morphology of the three grades of gray cast iron samples is mainly type A, with a small
Scientific
Fatigue life curves of three grades of gray cast iron
(1) The fatigue life curve of ordinary HT250 is shown in Figure 1. (2) The fatigue life curve of low
Scientific
ZHY Casting Grey Cast Iron products – machine tool castings
At present, China’s high-grade CNC machine tools needed in important fields such as automobile, aviation, railway and national defense depend
Scientific
Calculation model of energy consumption and energy efficiency ratio in Moldless sand casting process
Sand casting is an energy intensive production process. The production energy consumption per unit casting reflects the energy intensity of
News
Strength and toughness theory of steel
There are thousands of kinds of steel used in all walks of life. The alloy type, content and performance of
Scientific
Practical evaluation of Bei Ma multiphase wear-resistant cast steel lining plate for cone crusher
In order to evaluate the wear resistance and service life of Bei Ma multiphase wear-resistant cast steel lining plate, the
Scientific
Resource consumption demand model of Dieless sand casting process
Resource consumption reflects the material demand in the production process to a certain extent. Through the quantitative calculation of resource
News
Microstructure of tempered Crl3 steel
The tempering process is the quenching and tempering step after the previous heat treatment. Although the martensite in the structure
Scientific
Heat treatment of Bei Ma multiphase wear resistant cast steel lining plate for cone crusher
Take samples from test bar 1 and carry out the experiment according to the heat treatment experimental method, and finally
Scientific
Quenching structure of Crl3 stainless steel
2Crl3 is a hypoeutectoid steel. Raise the temperature to the austenite transformation temperature, hold it for a period of time
Scientific
Calculation results and Analysis and discussion of Sand casting
It is necessary to know the input of all kinds of energy, materials and so on when calculating carbon emissions.
News
Wear resistance mechanism of cast steel liner of cone crusher
Combined with the performance requirements and development direction of crusher lining material, a new bainite Martian multiphase wear-resistant cast steel