【正文】 situation, from the part of the quality, productivity, production costs, labor intensity, environmental protection and production safety aspects into account, choose technologically advanced, economical and reasonable, the use of safe and reliable technology solutions and mold to make stamping parts production to meet the design to ensure the technical requirements on the drawing, stamping process to minimize costs and ensure safety in production. Keywords: Process analysis, mold technology demonstration program, process calculation, processing equipment selection, manufacturing processes, and access to design data collection, preparation of design drawings and technical documents. 4 1 引言 現(xiàn)代模具工業(yè)有“不衰亡工業(yè)”之稱。 沖壓工藝與模具設(shè)計應(yīng)結(jié)合工廠的設(shè)備、人員等實際情況，從零件的質(zhì)量、生產(chǎn)效率、生產(chǎn)成本、勞動強度、環(huán)境的保護以及生產(chǎn)的安全性各個方面綜合考慮，選擇技術(shù)先進、經(jīng)濟合理、使用安全可靠的工藝方案和模具，以使沖壓件的生產(chǎn)在保證達到設(shè)計圖樣上的各項技術(shù)要求，盡可能降低沖壓的工藝成本和保證安全生產(chǎn)。熟練查閱相關(guān)技術(shù)資料。其目的是，綜合運用所學(xué)課程的理論和實踐知識 ,設(shè)計一副完整的模具訓(xùn)練、培養(yǎng)和提高自己的工作能力。 畢業(yè)設(shè)計是在模具 專業(yè)理論教學(xué)之后進行的實踐性教學(xué)環(huán)節(jié)。座椅座板沖壓畢業(yè)設(shè)計說明書 座椅座板沖壓畢業(yè)設(shè)計說明書 目 錄 摘要 ................................................................................................................................ 3 1 引言 ............................................................................................................................ 4 模具行業(yè)的發(fā)展現(xiàn)狀及市場前景 .......................................................................... 4 課題來源和研究意義 ........................................................................................... 5 國內(nèi)外在該方向的研究現(xiàn)狀及分析 ...................................................................... 6 沖壓工藝分析 ..................................................................................................... 7 畢業(yè)設(shè)計的意義與目的 ....................................................................................... 8 2 本課題沖壓件的工藝性分析 .................................................................................... 9 沖裁件的結(jié)構(gòu)工藝性 ......................................................................................... 10 沖裁件的形狀 .......................................................................................... 10 沖裁件的尺寸精度 ................................................................................. 10 3 制件沖壓工藝方案的確定 ...................................................................................... 11 沖壓工序的組合 .................................................................................................11 4 制件排樣圖的設(shè)計及材料利用率的計算 .............................................................. 12 展開尺寸的計算 ................................................................................................. 12 制件排樣圖的設(shè)計 ............................................................................................. 13 搭邊與料寬 ............................................................................................. 13 材料利用率的計算 ............................................................................................ 15 5 確定總沖壓力和選用壓力機及計算壓力中心 ...................................................... 16 落料沖孔模 ....................................................................................................... 16 翻邊彎曲力的計算 ............................................................................................ 16 壓彎成型力的計算 ............................................................................................ 17 整形力的計算 ................................................................................................... 18 壓力中心的計算 ................................................................................................ 18 壓力機的選用 ................................................................................................... 20 6 凸、凹模刃口尺寸計算 .......................................................................................... 21 翻邊，彎曲模 .................................................................................................. 21 落料，沖孔凸、凹模刃口尺寸 ........................................................................... 22 計算原則 ................................................................................................. 22 凸模和凹模配合加工 ............................................................................... 24 7 模具整體結(jié)構(gòu)形式設(shè)計 .......................................................................................... 27 落料沖孔模結(jié)構(gòu)形式 ......................................................................................... 27 翻邊壓型模的結(jié)構(gòu)形式 ..................................................................................... 27 壓彎壓型模的結(jié)構(gòu)形式 ..................................................................................... 28 模具的動作原理 ................................................................................................ 28 8 模具零件的結(jié)構(gòu)設(shè)計 .............................................................................................. 30 落料沖孔模結(jié)構(gòu) ................................................................................................ 30 凸凹模的設(shè)計 .......................................................................................... 30 落料凹模的設(shè) 計 ...................................................................................... 30 翻邊壓型模的結(jié)構(gòu)設(shè)計 ..................................................................................... 33 1 凸凹模的設(shè)計 .......................................................................................... 33 翻邊凹模的設(shè)計 ...................................................................................... 33 壓彎壓型模具結(jié)構(gòu)設(shè)計 ..................................................................................... 34 凸模的設(shè)計 ............................................................................................. 34 凹模的設(shè)計 ............................................................................................. 35 其他零件的設(shè)計 ................