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On casting quality inspection and defect repair

2019-05-17

Casting quality includes inner quality, appearance quality and service quality. The specific requirements are generally specified in detail drawings and relevant technical documents. In order to ensure casting quality, al…
Implement the standard of "high purity pig iron for casting"

2019-05-17

Since 2012, to participate in the casting with high purity iron standard drafting units and experts have done a lot of the preparatory work, then the three standard drafting meeting, to draft the standard for casting with…
Casting method of investment casting

2019-05-17

Investment casting has the advantages of high dimensional accuracy, good surface quality, is a widely used less, no cutting advanced technology, simply said is made of fusible materials fusibility model, using investment …
Development status of precision casting technology in China

2019-05-17

Casting technology is one of the main methods to obtain mechanical products blank, is an important basic process of casting machinery industry, occupies an important position in the national economy.Currently, the develop…
Promote development by quality, promote the upgrading of stainless steel casting industry

2019-05-17

Although there is still a huge gap between Chinas foundry industry and foreign enterprises, Chinas foundry industry has made some progress after so many years of development.According to the international mold association…
The cause of crack in casting aluminum alloy and its solution

2019-05-17

Casting aluminum alloy can be directly obtained by metal casting process. The alloying element content of this kind of alloy is generally higher than that of the corresponding deformed aluminum alloy.The maximum content o…
Analysis of three defect types of castings

2019-05-17

There are three kinds of defects in castings, which are penetrating linear defect, cavity defect and shrinkage defect.1, through the linear class defectsHave crack commonly, cold lie between wait, the surface shows long a…
The influence factors of mechanical properties of aluminum alloy ingot

2019-05-17

The main factors that affect the mechanical properties of ingot are grain size, ingot structure, ingot density, ingot heterogeneity, chemical composition and regional segregation. Generally, under certain conditions of ch…
Cause of failure of die - casting die

2019-05-17

First, thermal fatigue crack damage failureDie casting production, die again and again by the chilling effect of thermal forming surface and its internal deformation, with each other and appear repeatedly cyclic thermal s…
Purification of dusty gas in pulse bag filter

2019-05-17

The structure of the pulse bag filter is different from that of the general bag filter in that the porous partition plate of the filter bag is fixed on the upper half of the box body and a frame is installed inside the fi…

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