Application of casting coating to engine cylinder head
The sand cores in the inner cavity of the cylinder head produced by the coated sand process are (generally refers […]
The sand cores in the inner cavity of the cylinder head produced by the coated sand process are (generally refers […]
Japan has used this method to produce large castings since the 1960s, such as Kobe iron Institute, which is still
Because the sand mold casting process is very complex and difficult to study, it still depends on experience to a
The coating raw material lost foam casting coating is composed of refractory, binder, carrier, suspending agent and special additives such
The United States was the first country to apply the lost foam casting method and was the first to carry
The theoretical research of lost foam casting started late. In the 1950s and 1960s, some research was carried out on
The frame is the key bearing part of all kinds of rolling mills. When rolling products, all kinds of rolling
The performance test of lost foam casting coating is a necessary condition to stabilize the production process and ensure the
Lost foam casting has outstanding advantages, which has attracted more and more attention of foundry workers in recent years. Lost
The selection of negative pressure degree is particularly critical in vacuum negative pressure lost foam casting. A large number of
Lost foam casting molding is completed by model disappearance, decomposition products escaping from the mold, and liquid metal replacement model.
Lost foam casting method was first successfully tested by American h.f.shroyer in 1956, and was published in the form of
On the whole, China’s technology is still at a low level. There is still a big gap between China and
Foamed plastic plays a very important role in lost foam casting, and its quality will directly affect the quality of
The “white zone” technology and equipment of China’s lost foam casting is the weakest link, mainly including the following: Development
Nodular cast iron intercooler base pipe is an innovative design for the company’s large internal combustion engine. The material is
The lost foam casting method takes foamed plastic expandable foam polystyrene or polymethylmethacrylate as the model, and applies fire-resistant coating
Insufficient attention to the basic research work of lost foam casting technology, too little investment and low level have become
Puqiao company of the French group obtained the patent of EPC isostatic pressing process, and used this process to organize
As early as the late 1970s, China has studied the application of lost foam casting in mass production, which is
The rotary disc is the key component on the spindle of drilling machine, which needs high precision and certain hardness.
Foundry, a traditional industry with a civilization history of 6000 years in China, is increasingly facing the challenges of the
1. Design of metal subsidy for sand casting In order to facilitate the comparison and production of subsidies, only the
In sand casting production, metal subsidies are often set to extend the feeding distance of the riser. In most cases,
The medium frequency furnace is used to produce cast iron rolls of various purposes and materials, and the core is
The material of a cast impeller is aluminum silicon alloy zalsi9cu2mg. The cast impeller is not allowed to have casting
According to the characteristics of grey cast iron brake discs produced by electric furnace, three kinds of HT200 molten iron
Based on AnyCasting, the process simulation and optimization of large aluminum silicon alloy casting impeller are carried out, and the
With the development of industry, higher requirements are put forward for the performance and service life of structural parts made
Grey cast iron is widely used in the production of automobile brake discs because it combines the main properties required