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                保定宏晟隆精密鑄造有↘限公司
                公司地址:保九色光芒爆閃而起定南市區朱莊
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                當前位置:內冷鐵技⌒術的改進與創新
                [來源:www.hslcasting.com.cn] [作者:精密鑄造] [日期:17-02-10]
                內冷鐵技」術的改進與創新 The cold iron technology improvement and innovation 對內冷鐵方案作了改進,將內冷鐵替換為用制殼耐火材料∑ 制成的成形堵★頭,其尺寸完全按照內冷鐵的尺寸復制不凡,冷鐵座的尺寸及制〖作步驟不變。堵頭需事先開出專用模具打制相應堵頭蠟模,一個葉輪模組需配備一個堵頭蠟模,制殼時堵∴頭蠟模只需對其內腔進行沾漿撒砂,脫蠟後即形成相應的堵頭【殼型,此成型堵頭殼型需事先焙燒※充分並冷卻至室溫下備用,澆註前在堵頭殼型定位端圓周及配合面處塗上一層膠合劑,然後迅速插入冷型殼並壓合話緊密,圖9為成ω 形堵頭嵌入示意圖。此冷◎型殼可以起到類似內冷鐵的冷卻效果,既解決了輪轂中孔縮松缺陷,又可以減小加工︾工作量,降低葉輪加工々成本。 Improve internal cold iron were made, cold iron replacement for use inside the shell making forming plug made of refractory material, its size according to the size of the cold iron inside completely copy, cold iron block size and production steps are the same. Corresponding plug the plug should be prior to prescribe special die forge wax models, an impeller modules need to be equipped with a plug wax models, when the shell making plug wax models simply to moistening slurry sanding inside cavity after dewaxing to form the corresponding plug shell mold, the plug molding shell mold roasting sufficient and cool to room temperature under standby, before pouring in the plug shell mold positioning the circumference of a circle and mating surface coated with a layer of cement, and then quickly inserted type cold shell and pressing close together, figure 9 for forming plug embedded diagram. In this cold shell can have similar cold iron cooling effect, solved the wheel hub hole shrinkage defects in both can reduce the processing workload, reduce the impeller machining cost.
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