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Copper casting problems?

2010-08-25View Original

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What are the advantages and disadvantages of precision casting and sand casting for valve bodies made of copper?
Reply #22010-08-25
Of course, there is a difference. Precision casting is generally used for small-diameter components, with high requirements for the quality of the castings. Sand casting is typically used for components with diameters over 100, where the requirements for the quality of the castings are lower. To put it simply, the interior of valve bodies made by precision casting is quite smooth, and polishing is sufficient
Reply #32010-08-26
Don’t sand molds have many surface pores? ? ?

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Translated at 2026-07-27 02:05:50

Original: https://bbs.hcbbs.com/thread-722137-1-1.html

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