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Testing method for internal defects of marine castings

2022-08-03 17:20:47

For the defects of internal marine castings, the commonly used nondestructive testing methods are radiographic testing and ultrasonic testing. Among them, the effect of radiographic testing is good, a...

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How to improve the quality of marine castings?

2022-07-31 15:50:38

With the continuous development of Industrial Science and technology, the mechanical manufacturing industry and engineering circles have higher and higher requirements on the quality of marine casting...

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What are the aspects of product quality of ship inspection castings?

2022-07-30 15:42:34

The casting quality of ship inspection mainly includes appearance quality, internal quality and service quality. Appearance quality refers to the surface roughness, surface defects, size deviation, sh...

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Why does the mold break when the casting is processed in ship inspection?

2022-07-22 14:35:10

Cracking of ship inspection castings, i.e. thermal cracking, is mainly caused by the following reasons:After the liquid metal is poured into the mold, the heat loss is mainly through the mold wall, so...

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