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墊片沖壓工藝及級進模具設計 摘 要 本設計題目為墊 片 沖裁模 體現(xiàn)了典型沖裁模的設計要求 內容及方向 有 一定的設計意義 通過對該模具的設計 加強了設計者對沖裁模設計基礎知識的理解 和運用 為設計更復雜的沖裁模具做好了鋪墊 本設計運用沖裁工藝及模具設計的基礎知識 首先分析了板材的性能要求 為選 取模具的類型做好了準備 然后計算了沖裁件的沖裁力 便于選取壓力機噸位及確定 壓力機型號 最后分析了沖裁件的特征 便于確定模具的設計參數(shù) 設計要點及卸件 裝置 本設計采用了沖孔 落料級進模成形墊 片 成形原理可劃分為兩個階段 首先沖 孔凸模與凹模共同作用先沖出四個 3 2mm 和一個 8 5mm 的孔 而后利用第一步?jīng)_出 的四個 3 2mm 和一個 8 5mm 的孔做精確定位使外形凸模與凹模共同作用使工件落料 成形 關鍵詞 沖孔 落料級進模 沖孔凸模 凹模 壓力機噸位 Gasket stamping process and the Progressive Die Design Abstract The topic for the design is pad blanking die design It has manifested the typical blanking die s design request the content and the direction has certain design significance Through the design of the component mold strengthens the designer s understand and utilize to the blanking die design basical knowledge has prepareed for designing more complex blanking die The design has utilize blanking craft and the basical knowledge of the mold design has first analyzed the property requirement of the plate has prepared for selecting the mold type then has calculated the blanking strength has advantaged to select the press tonnage and determine press model Finally has analyzed the characteristic of the products has advantaged to finite the mold design variable the design main point and shedder This design used piercing and blanking progressive die to form the products The forming principle can be divided to two stages First piercing punch and die affect together and pierce four holes of 3 2mm and one hole of 8 5mm then use the four holes and the one hole as pinpoint to make the product formed KEY WORDS Piercing and blanking progressive die Piercing punch Press Tonnage