Working principle of lost foam casting Technology in casting production
Lost foam casting process technology, usually referred to as EPC, is also called gasification mold casting or full mold casting […]
Lost foam casting process technology, usually referred to as EPC, is also called gasification mold casting or full mold casting […]
In recent years, with the deepening of China’s industrialization and the promulgation of a series of policies and regulations to
(1) When designing the exhaust system of sand mold casting, it should be based on the principle that the cavity
Machine tools play an important role in the construction of national economic modernization. Machine tool refers to the machine that
Sand casting is a casting method in which metal liquid fills the mold cavity under the action of gravity. Iron
Aging treatment is used to eliminate the stress of castings, and the main factor affecting the stress elimination of castings
After the sand core of sand mold is processed and formed, mold closing and pouring shall be carried out. The
The internal and external lifting arms, the transmission rod of the separation manipulator and the brake housing of the tractor
Heat treatment furnace is mainly divided into gas furnace, electric heating furnace and gas electric heating furnace. 1. Gas furnace
At present, the methods to eliminate stress in engineering include traditional natural aging, thermal aging and vibration aging. 1. Natural
Since China’s entry into WTO, China foundry industry has faced opportunities and challenges. Its future development will focus on the
① Upgrading of molten steel smelting equipment. Open hearth steelmaking was eliminated in the metallurgical industry four years ago, and
Although China’s foundry industry has achieved rapid development in recent years, there are still many problems. First, the degree of
Most excavators work in the open air, and the service environment is poor. The working mechanisms of excavator bucket, stick,
The geographical distribution of China’s casting industry is mainly distributed in five regions, including Henan Province, Liaoning Province, Shandong Province,
In 2015, the total output of castings in China was about 24420000t, an increase of 75% compared with 2010. The
The manufacturing industry of large steel castings is the basic industry of national equipment manufacturing, and its development level is
China’s steel casting parts are indispensable products for China’s equipment manufacturing, the basis of national equipment manufacturing, and occupy a
Although the development of China’s foundry industry has made great progress in recent years, the whole industry is still in
China steel casting parts manufacturing industry is the basic industry of national equipment manufacturing, especially the manufacturing of large China
1.Three dimensional simulation of physical field in mold filling process Numerical simulation of physical field in mold filling process, including
Foundry industry is a basic industry related to the national economy and the people’s livelihood. After China’s entry into WTO,
There are more than 30 large-scale casting production enterprises in China, most of which are large and medium-sized state-owned enterprises.
Casting technology is a metal hot working process with a long history. It is one of the basic processes of
At present, a considerable number of foundry manufacturers have not cultivated their core competitiveness, seriously lack market competitiveness, passively cope
Over the years, among the world casting output data published by modern casting magazine of American Foundry Association, China’s casting
Foundry industry has always enjoyed the title of “mother of industry” and occupies a very important position in the national
By controlling the size and distribution of graphite diameter and the spherical regularity of graphite, the correlation degree with the
The fatigue fracture process of metal mainly includes the process of fatigue crack nucleation and initiation, fatigue crack propagation and
1、 Metallographic observation Metallographic structure observation includes sampling, grinding, polishing, etching, cleaning, microscope observation and other steps. Metallographic specimen size