Classification of castings:
1. There are many classification methods for castings: according to the different metal materials used, they are divided into steel castings, iron castings, copper castings, aluminum castings, magnesium castings, zinc castings, titanium castings, etc. Each type of casting can be further divided into different types according to its chemical composition or metallographic structure. For example, iron castings can be divided into gray iron castings, ductile iron castings, vermicular graphite iron castings, malleable iron castings, alloy castings, etc.
2. According to different molding methods, castings can be divided into ordinary sand castings, metal castings, die castings, centrifugal castings, continuous castings, investment castings, ceramic castings, electroslag remelting castings, and bimetal castings. Wait. Among them, ordinary sand castings are widely used, accounting for about 80% of all casting output. However, non-ferrous metal castings such as aluminum, magnesium, and zinc are mostly die castings.
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Introduction of casting process
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