Vacuum casting technology of excavator balance weight
The main machine of excavator balance weight is an export product, and the requirements of surface quality and geometric size […]
The main machine of excavator balance weight is an export product, and the requirements of surface quality and geometric size […]
① CAE (Computer Solidification Simulation): Predict casting defects and optimize casting process; Enhance scientific decision-making and reduce experience dependence; Shorten
Casting mainly includes back pressure casting and low pressure casting. The pressure of low-pressure casting is relatively low, so it
Steel wheel hub and aluminum alloy wheel hub are common types of automobile casting wheel hub. Steel casting wheel hub
The impact of the project by competitors is mainly to compete for the market outside FAW Group, such as the
Company profile: The first cast iron factory is one of the professional factories subordinate to China First Tractor Co., Ltd.
SAF2507 is the third generation super duplex stainless steel, American Standard (national standard ZG 00Cr25Ni7Mo4N). Its microstructure has an ideal
When casting high temperature and high pressure valve castings, relevant personnel need to understand the relevant requirements of the service
In the new era of the 21st century, China’s automobile industry is booming and has become a pillar industry of
CF8C material is generally selected as valve casting material because of its small deformation, high strength, wear resistance and corrosion
In addition to Si, Mn and C elements, a certain amount of Cu is added to nodular cast iron. Cu
The structure of dn400-2500lb valve casting is shown in the figure. The blank weight of the valve casting is 4300
With the rapid development of valve manufacturing industry, the professional production of domestic valve enterprises is becoming stronger and stronger,
After ZHY casting received the order for the production of seawater swing check valve (as shown in Figure with nominal
In the research of numerical simulation of lost foam casting, Wang et al. Analyzed the mold filling process of aluminum
The production of ZHY casting steel castings adopts the chilled furan resin quartz sand process, and the chilled furan resin
1. Coating performance requirements The selection of different formulations, components and the proportion of various components have a great impact
Large steel castings have large size and long production cycle. They are generally produced in small batch or even single
After pouring of large steel castings, there are great differences in the cooling rates of different parts, appearance and core
After nearly half a century of development, lost foam casting technology has gradually entered a mature stage. Its products have
In recent years, with the development of casting numerical simulation technology, there are many research results in traditional pressure casting
According to the analysis of the simulation results of the original process scheme, the bottom pouring system of the original
According to the causes of valve casting defects, we have taken improvement measures mainly from the following aspects: (1) Properly
In recent years, the domestic pump and valve casting industry has developed rapidly, but there are still many problems in
The crack defects can be greatly reduced and eliminated by improving the main key process methods in the manufacture of
Large castings have long production cycle and complex processes. Generally, they have to go through many processes. Reasonable setting of
Lost foam casting numerical simulation technology has become a powerful simulation and simulation technology, and goes deep into all aspects
As a material near net shape technology, investment casting has the characteristics of complex casting structure, high dimensional accuracy, wide
1) Because of the complex physical and chemical reaction between the front of the molten metal and the foam pattern
The shape and dimension inspection of impeller casting is to check whether the actual dimension of impeller blank casting falls