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題 名 | 兩道式正齒輪分流冷鍛有限元素模擬分析=Finite Element Simulation and Analysis of the Two-stages Divided Flow Cold Forging for Spur Gear |
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作 者 | 許源泉; 林萬益; 陳建利; | 書刊名 | 國立虎尾科技大學學報 |
卷 期 | 26:2 2007.06[民96.06] |
頁 次 | 頁19-25 |
分類號 | 472.1 |
關鍵詞 | 正齒輪; 分流法; 有限元素法; Spur gear; Divided flow method; Finite element method; |
語 文 | 中文(Chinese) |
中文摘要 | 塑性成形齒輪具有頗多優異特性,故漸受重視。本研究提出兩道式分流冷鍛法以進行正齒輪的塑性成形,應用三維剛塑性有限元素法來進行正齒輪閉式模鍛的數值模擬分析,以探討正齒輪兩道式分流冷鍛與傳統單道式冷鍛在胚料塑性流動變形、成形負荷、齒輪鍛件應變分佈及模具應力分佈的差異。研究發現,此種兩道式分流冷鍛的新方案能達到增加材料流動、較佳齒形充填、降低成形負荷及模具應力、強化輪齒效果等特性,顯示此新設計方案的確是具有相當的可行性與優異性。 |
英文摘要 | With overwhelming advantages, the plastic forming process for gear manufacturing has been an important technique. In the current study, the two-stages divided flow cold forging process was employed to manufacture the spur gear. The 3D rigid-plastic finite element simulation technique was used to analyze the plastic forming of closed forging for spur gear. The plastic flow deformation, the forming loads, the strain distribution of forging gears and the stress distribution of forging dies between the two-stage divided flow cold forging and the traditional single stage cold forging were explored. The results indicated that the new method, the two-stage divided flow cold forging , posed enhanced material flow, better teeth profile filling, lower forming loads, lower die stress and strengthened gear tooth effect. The new approach proved to be valuable for manufacturing spur gears. |
本系統中英文摘要資訊取自各篇刊載內容。