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殼體的沖孔切邊工藝與模具設計
摘 要：模具設計與制造是整個模具行業(yè)中最關鍵的部分, 也是占用模具開發(fā)周期最長的部分。因此, 縮短模具設計與制造周期對于提高模具的開發(fā)和設計有著極為重要的現(xiàn)實意義。
本課題為殼體的沖孔切邊復合模設計，結合其模具設計特有工藝性，進行了工藝性分析，并分析了成形過程的三種不同的沖壓工藝方案，從理論探討及實驗上提出了最佳工藝方案。介紹了模具設計要點、結構分析、工作原理；并對模具的各部分主要尺寸進行理論運算，以確定各沖模的尺寸；對沖裁模從設計到零部件的加工工藝以及裝配工藝等進行了詳細闡述，簡要分析了模具關鍵零部件的設計及加工工藝。實踐證明，模具結構能很好地滿足零件的精度要求，不僅模具結構左右對稱，并且受力均勻。
通過對殼體的沖孔切邊模具設計，鞏固和深化了所學知識，取得了比較滿意的效果，達到了預期的設計意圖。
關鍵字：沖孔，切邊，復合模，刃口
SHEET FORMING TECHNOLOGY
AND DIE DESIGN OF CHAIN LINK
ABSTRACT :Mould design and manufacture is the most critical part of the mold industry as a whole, is also occupied die the long part of the development cycle. Therefore, shortening the mold design and manufacture cycle for improving the development and design of the die has extremely important practical significance.
This topic section for chain of blanking punching compound die design, with its specific to mold design technology, process analysis, and analysis of the forming process of stamping technology for the three different types of programme, presented the best technology on the theoretical study and experimental programmes. Describes the mold design, structural analysis, how it works; and on parts of the mold theory of operation the main dimensions, to determine the size of the die; hedge cutting die from design to processing of parts and Assembly process for details and brief analysis of mold design and processing technology of main components. Practice has proven that the mold structure very well to meet the accuracy requirements of parts, mold structure not only left and right symmetrical and uniform of the force.
By punching die design of chain link, consolidating and deepening the knowledge achieved quite satisfactory results, achieved the desired design intent.
KEY WORDS:pierce,blank,compound die,cutting edge
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