查詢結果分析
來源資料
頁籤選單縮合
題 名 | 迴轉鍛造複合成形技術研究=A Research on Cobined Forging Process for Complex Shape Parts |
---|---|
作 者 | 黃守成; 楊俊彬; 李少濠; | 書刊名 | 鍛造 |
卷 期 | 8:4 1999.12[民88.12] |
頁 次 | 頁67-82 |
分類號 | 472.1 |
關鍵詞 | 楔橫軋; 複動化成形; 複合成形製程; Cross wedge rolling; Multi action forging; Composite forging process; |
語 文 | 中文(Chinese) |
中文摘要 | 尺寸精密化、下料省料化為鍛造技術發展方向中的兩大主流,目的在求降低生產 成本,提昇競爭力。以傳統熱鍛鍛製複雜形狀鍛件幾乎是不可能達到此目標,因此導入復合 成形的觀念,基本的想法是擷取不同成形技術的優點加以整合,本研究之目的,即在整合楔 橫軋(迴轉鍛造)成形技術與複動化鍛造之複合成形技術, 並以 250cc 機車用單缸曲軸之 一體成形製程進行驗證,複合成形製程包含以楔橫軋作為體積分配與迴轉軸成形,以多軸( 複動化)鍛造作為中間道次及完成鍛成形柄部, 製程開發階段以 DEFORM 3D 進行複動化成 形特性分析,研究結果顯示本製程可用來成形複雜形狀鍛件,開發之曲軸具連續性鍛流線的 特質,材料步留率達 92%,成形負荷比傳統鍛造的 2500 噸小得多,僅約 1000 噸,且後續 加工量少,單邊加工量約 1 mm, 另在本研究中亦建立偏心軸類件,左右非對稱軸類件,及 小角度(小於 20 °)圓錐體等楔橫軋成形技術,並開發一組高負荷複動化模組,可搭配在 1600 噸的一般鍛機上使用,擴大鍛機適用之產品領域。 |
英文摘要 | Material-Saving and precision forging are the two main trends of forging technology development. For parts of complex shape forged by traditional forging process is almost impossible to achieve such goals. Therefor the concept composite forging process was introduced. The main idea is to take the advantage of multiple forging techniques to produce these types of parts. This paper aims to develop a composite forging process for parts of complex shape namely one piece motorcycle crankshaft. In this process, a cross wedge rolling (CWR) is used for precise volume distribution and spinning shaft forming. In the meantime, a multi action forging (MAF) is used to deform the side portions of the part. A commercial FEM software DEFORM-3D is used to predict metal flow during multi action forging process for the purpose of process design. The result shows that this hybrid forging process is an effective method to forge parts of complex shape. The yielding ratio of the one-piece motorcycle crankshaft is up to 92%. |
本系統中英文摘要資訊取自各篇刊載內容。