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            當前位置:不銹鋼鑄件生產工藝
            [來源:www.phecda.org] [作者:精密鑄造] [日期:21-02-05]

            不銹鋼鑄件生產工藝
            Production process of stainless steel castings
            所謂熔模鑄造工藝,簡單說就是用易熔材料(例如蠟料或塑料)制成可熔性模型(簡稱熔模或模型),在其上涂覆若干層特制的耐火涂料,經過干燥和硬化形成一個整體型殼后,再用蒸汽或熱水從型殼中熔掉模型,然后把型殼置于砂箱中,在其四周填充干砂造型,最后將鑄型放入焙燒爐中經過高溫焙燒(如采用高強度型殼時,可不必造型而將脫模后的型殼直接焙燒),鑄型或型殼經焙燒后,于其中澆注熔融金屬而得到鑄件。
            The so-called investment casting process is simply to use fusible materials (such as wax or plastics) to make fusible models (for short, fusible models or models), coated with a number of layers of special refractory coatings, after drying and hardening to form a whole shell, then use steam or hot water to melt the model from the shell, and then put the shell in sand. In the box, dry sand moulding is filled around it. Finally, the castings are put into the calciner and roasted at high temperature (for example, when the high strength shell is used, the shell after demoulding can be directly roasted instead of moulding). After roasting, the castings are obtained by pouring molten metal into the castings.

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