Analysis on structure and technology of tractor box casting
The structural diagram of each direction of the tractor reducer box is shown in Figure 1. The mass of the […]
The structural diagram of each direction of the tractor reducer box is shown in Figure 1. The mass of the […]
The production of crankshaft blank by wet mold sand process is still the main traditional casting process, while the representative
Experts and scholars at home and abroad have studied the application of numerical simulation technology in the fields of sand
Few domestic foundry manufacturers use old sand regeneration equipment, and even fewer enterprises use old sand regeneration equipment for sodium
After pouring of large steel castings, there are great differences in the cooling rates of different parts, appearance and core
Large steel castings in the fields of nuclear power, hydropower, thermal power and metallurgical equipment have strict service conditions and
The research on the lost foam casting process of gray cast iron gearbox box is studied. Firstly, the three-dimensional modeling
In the process of casting the automobile engine cylinder block, relevant enterprises and technicians should pay attention to the reasonable
ZHY casting has developed a frame shell casting with material grade of HT250 and overall dimension of 1300 mm ×
Improve the level of cleaner production, improve the utilization rate of energy and raw materials in cleaner production, and try
Enhancing the ability of foundry technology innovation is the key to improve the core competitiveness of enterprises. Foundry technology innovation
The essence of casting CAE technology is to complete the simulation of casting solidification process with the help of computer
On the whole, the academic research in the field of foundry in China is not backward. Many research results are
Dieless casting refers to the manufacturing of sand mold cavity for casting, which no longer uses molds. It has the
In the manufacturing of mechanical parts, generally, the blank is generated by forming technologies such as casting, forging, welding and
The heavy truck rear axle leaf spring support is the key component connecting the leaf spring and the frame. It
Introduction 1. Lost foam casting process The lost foam casting process is simple, without complex processes such as core making,
At present, organic binders are widely used in the casting industry, with many advantages, such as large production output, low
A base is an important part of 430 vertical milling machine of a machine tool Co., Ltd. It is made
The process flow of lost foam casting is divided into white area and black area. (1) The process of lost
1.Three dimensional simulation of physical field in mold filling process Numerical simulation of physical field in mold filling process, including
According to the optimized process scheme, the resource consumption, energy consumption and carbon emission in the compound mold forming process
The quantitative calculation of resource consumption is based on the resource consumption demand model and combined with the field records
Modelling 1) A set of solid wood samples shall be placed at the designated position of the outer skin, with
Modelling 1) A set of solid wood samples shall be placed at the designated position of the outer skin, with
1. Hardness test (1) Macrohardness Thbrv-187.5 electric broville hardness tester is mainly used for macro hardness analysis of samples. As
1. Sample preparation (1) Sample grinding and polishing Use pg-2da metallographic sample polishing machine to pre grind the sample with
1. Alloy melting The alloy was melted in 500 kg medium frequency induction furnace in air atmosphere. The raw materials
The main equipment of pressure casting experiment includes liquid die forging machine, special concave convex die, pouring ladle and pouring
The raw materials used in the experiment are two kinds of alloy composition, including low chromium hypoeutectic white cast iron