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摘 要
本文介紹的模具實(shí)例結(jié)構(gòu)簡單實(shí)用，使用方便可靠。本套沖壓模具的設(shè)計不是以復(fù)雜模具的設(shè)計為主，而主要是對模具設(shè)計知識的系統(tǒng)學(xué)習(xí)和設(shè)計的練習(xí)，以達(dá)到掌握沖壓模具設(shè)計的基本技能的目的。
首先，對零件做整體的分析。包括：材料的使用、精度的要求、工序的要求以及成本的要求等。為了降低成本，對排樣方式進(jìn)行了合理的設(shè)計；其次，對零件整體進(jìn)行工藝設(shè)計。通過工藝目的的設(shè)計、工序的順序設(shè)計、壓力機(jī)的選擇等來實(shí)現(xiàn)所要達(dá)到的要求；再次，想要保證制件精度的要求，就要考慮模具刃口尺寸的計算。因為刃口是沖制工件的主要工作部分，刃口處的精度就決定了制件的精度，就必須根據(jù)公差來進(jìn)行精確計算。
最后，根據(jù)計算出的模具刃口尺寸設(shè)計出相應(yīng)的凸凹模，并且查找資料選擇冷沖壓模的標(biāo)準(zhǔn)零件，符合標(biāo)準(zhǔn)后，就把凸凹模與其它各零部件進(jìn)行總體裝配。在確定了模具體閉合高度后，選出合適的壓力機(jī)在調(diào)試校驗后并進(jìn)行試沖加工，以達(dá)到符合的標(biāo)準(zhǔn)，最終完成加工。
關(guān)鍵詞：沖壓模具，沖壓工藝，模具設(shè)計
Abstract
The topic is the chain plate punching blanking compound mold design and the mold of article described an instance is simple and practical, easy to use and is reliable. This mold is not primarily designed to complex design, but mainly on a systematic study of mold design knowledge and practice, in order to achieve the purpose of master the basic skills of stamping mold design.
First of all, do a thorough analysis for the parts, which include the using of the material, the requirement of accuracy and the requirement of working procedure and costs and so on. For declining low cost, proceeded the reasonable design to the row kind method. Secondly, do processing design for the whole parts and the purpose by craft designing and order of the working procedure and by the choice of punching machine. Thirdly, consider the calculation of size of the mould cutting edge in order to meet the need of accuracy. Because the cutting edge is the main working part of the punching processing, the accurate cutting edge guarantees the accurate parts. So you needed to tolerance do accurate calculation.
Finally, according to the calculated the size of mold cutting edge design the corresponding punch and mold, and find information on selection criteria for cold stamping parts, meet the standards, put the punch and mold with the other components to the overall assembly. In determining the specific mold closed height, select the appropriate press in the debug and test validation washed after processing, to meet compliance standards, the final completion of the processing chain plate.
Keywords：composite modulus, stamping process, mold design , punching blanking
目 錄
摘要 1
Abstract 2
目錄 3
第1章 緒論 5
1.1 我國模具技術(shù)的現(xiàn)狀及發(fā)展趨勢 5
1.2 沖壓模的現(xiàn)狀與發(fā)展趨勢 6
1.3 外國模具工業(yè)的發(fā)展?fàn)顩r 7
1.4 課題研究的內(nèi)容 8
第2章 工藝性分析 9
2.1 零件的分析 9
2.1.1 沖壓件的尺寸精度 9
2.1.2 生產(chǎn)批量 9
2.2 工藝方案分析 10
2.3 模具間隙的確定 11
2.4 設(shè)備的選擇 12
第3章 排樣設(shè)計 15
3.1 搭邊 17
3.2 送料進(jìn)距 17
3.3 條料寬度 17
3.4 本章小結(jié) 18
第4章 模具總體設(shè)計 19
4.1 模具類型的選擇 19
4.2 定位方式的選擇 19
4.3 卸料﹑出件方式的選擇 20
第5章 模具的裝配和沖裁模具的試沖 21
5.1 模具的裝配 21
5.2 沖裁模具的試沖 22
5.3 裝配圖 25
結(jié)論與展望 26
致謝 27
參考文獻(xiàn) 28