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題 名 | EPC法鑄造條件對鑄件尺寸精密度與表面品質之影響=The Effects of Casting Condition on the Dimensional Accuracy and Surface Quality of EPC Process |
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作 者 | 楊榮顯; 黃炯瑜; | 書刊名 | 鑄工 |
卷 期 | 23:3=94 1997.09[民86.09] |
頁 次 | 頁1-14 |
分類號 | 472.2 |
關鍵詞 | 消失模型鑄造法; 形狀設計; 模型成型條件; 鑄造條件; 鑄件表面品質; 尺寸精密度; Evaporative pattern casting process; Shape design; Pattern making condition; Casting condition; Surface quality of casting; Dimensional accuracy; |
語 文 | 中文(Chinese) |
中文摘要 | 消失模型鑄造法所使用之消失性模型其形狀設計與製作條件、以及鑄造條件等會 影響澆鑄後所得鑄件之品質與尺寸精度。因此如何去掌握使模型擁有各種優良性質與鑄造條 件,以便在澆鑄後可得品質良好而尺寸精度佳之鑄件乃是非常重要的事! 本研究即是在探討消失性模型其形狀設計與製作條件、鑄造條件、鑄件表面品質與尺寸 精密度之關係。利用自行設計與製作之金屬模模具來製作消失性模型,然後探討鑄造條件(塗 型劑厚度、振動時間、減壓度、澆鑄溫度)與鑄件尺寸精密度(表面品質、尺寸精密度)之 關係,以建立獲得良好品質鑄件所需之消失性模型形狀設計與製作條件以及鑄造條件最佳化 之資料庫並作為參考。 實驗結果顯示:對階梯壯試片而言,以不同鑄造條件下澆鑄後所得之試片,在振動時間 較短、減壓度較小、澆鑄溫度較低條件時所得鑄件之尺寸與模型之原尺寸間的差異較小。 |
英文摘要 | The shape design, making condition, and casting condition etc., of the pattern used in the EPC process, will affect the quality and dimensional accuracy of the casting after poured. So that how to control and how to make the pattern to have the various good characteristics, and how to control the casting condition, in order that the castings have good quality and dimension accuracy after poured, is a very important thing. This study is to probe into relationships among the shape design and making condition of pattern, the casting condition, and the surface quality and dimensional accuracy of casting. By using the self-designed and manufactured metal dies to produce patterns. And the casting conditions includes thickness of coating, vibration time, vacuum degree, pouring temperature, etc. Finally, the dimensional accuracy of castings such as surface roughness, surface quality, dimensional accuracy are concerned. Then we can establish the data base of the optimized pattern shape design and condition of pattern making, and the casting condition of the castings with good quality. According to the experiment, it is concluded that when the vibration time, vacuum degree, pouring temperature are lower, the casting after poured have better dimensional accuracy. |
本系統中英文摘要資訊取自各篇刊載內容。