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對不鏽鋼鑄造的介紹
[作者:aowl] [日期:18-03-31] [瀏覽次數:] [來源:http://www.mobiinet.com]
鑄造工藝通常包括:鑄造工藝可分為三個基本部分,即鑄造金屬準備、鑄型準備和鑄件處理。 鑄造金屬是指鑄造生產中用於澆注鑄件的金屬材料,它是以一種金屬元素為主要成分,並加入其他金屬或非金屬元素而組成的合金,習慣上稱為鑄造合金,主要有鑄鐵、鑄鋼和鑄造有色合金。 ①鑄型(使液態金屬成為固態鑄件的容器)準備,鑄型按所用材料可分為砂型、金屬型、陶瓷型、泥型、石墨型等,按使用次數可分為一次性型、半永久型和永久型,鑄型準備的優劣是影響鑄件質量的主要因素;②鑄造金屬的熔化與澆注,鑄造金屬(鑄造合金)主要有鑄鐵、鑄鋼和鑄造有色合金;③鑄件處理和檢驗,鑄件處理包括清除型芯和鑄件表麵異物、切除澆冒口、鏟磨毛刺和披縫等凸出物以及熱處理、整形、防鏽處理和粗加工等。金屬熔煉不僅僅是單純的熔化,還包括冶煉過程,使澆進鑄型的金屬,在溫度、化學成分和純淨度方麵都符合預期要求。為此,在熔煉過程中要進行以控製質量為目的的各種檢查測試,液態金屬在達到各項規定指標後方能允許澆注。 Casting technology usually includes: casting process can be divided into three basic parts, namely, casting metal preparation, mold preparation and casting treatment. Cast metal refers to the metal material used to cast castings in the casting production. It is an alloy composed of a metal element, which is composed of other metal or non metal elements. It is used as a cast alloy, mainly cast iron, cast steel and cast nonferrous alloy. (1) casting (making liquid metal as a container for solid castings), the mold can be divided into sand, metal, ceramic, mud, graphite and so on. According to the use times, it can be divided into one time, semi permanent and permanent type. The quality of casting preparation is the main factor affecting the quality of the castings; the melting and casting of casting metal and the main casting metal (cast alloy) are the main factors. There should be cast iron, cast steel and cast nonferrous alloy; (3) casting treatment and inspection, castings are treated with scavenging core and surface foreign body of castings, excision pouring and riser, spade burr and slit, as well as heat treatment, plastic, rust prevention and rough processing. Metal smelting is not only pure melting, but also smelting process, making casting metal in place, in terms of temperature, chemical composition and purity are in line with the desired requirements. Therefore, during the smelting process, various inspection tests should be carried out for the purpose of controlling the quality. Liquid metal can be poured after reaching all the required indicators.

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