freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

罩殼沖壓件的設(shè)計(jì)計(jì)算_畢業(yè)設(shè)計(jì)說明書-展示頁

2024-09-07 21:27本頁面
  

【正文】 ................................................................................... II 目 錄 ....................................................................................................................... 3 Contents ................................................................................................................... 5 第 1 章 緒論 ........................................................................................................... 2 冷沖壓模具在工業(yè)生產(chǎn)中的地位 .......................................................... 2 冷沖壓模具的歷史發(fā)展與現(xiàn)狀 .............................................................. 2 此次選題的目的和意義 .......................................................................... 4 第 2 章 工藝分析與方案確定 ............................................................................... 5 設(shè)計(jì)任務(wù) .................................................................................................. 5 沖壓件的工藝 分析 .................................................................................. 6 沖壓件的材料選擇分析 ............................................................... 6 沖壓件的結(jié)構(gòu)和尺寸精度分析 ................................................... 6 毛坯尺寸計(jì)算 .......................................................................................... 6 確定拉深次數(shù) .......................................................................................... 7 排樣及材料利用率 .................................................................................. 7 排樣方法 ....................................................................................... 7 搭邊和料寬 ................................................................................... 8 材料利用率 ................................................................................... 9 制定沖壓工藝方案 ................................................................................ 10 工序性質(zhì)和數(shù)量 ......................................................................... 10 工序順序和組合 ..........................................................................11 沖壓工藝方案 ..............................................................................11 第 3 章 模具設(shè)計(jì)中的必要工藝計(jì)算 ................................................................. 13 計(jì)算沖裁工藝力 .................................................................................... 13 確定模具壓力中心 ....................................... 14 初選壓力機(jī) ............................................................................................ 16 沖裁間隙 ................................................................................................ 17 沖裁模刃口尺寸 .................................................................................... 17 4 凸、凹 模間隙及工作部分尺寸 ............................................................ 18 落料凸凹模刃口尺寸 ................................................................. 18 拉深凸凹模的刃口尺寸 ............................................................. 18 沖孔 凸凹模的刃口尺寸 ............................................................. 19 凸模和凹模的結(jié)構(gòu)設(shè)計(jì) ........................................................................ 20 凸模 ............................................................................................. 20 凸凹模 ......................................................................................... 21 第 4 章 模具主要零部件的結(jié)構(gòu)設(shè)計(jì) ................................................................. 25 定位零件 ................................................................................................ 25 卸料、推件裝置 .................................................................................... 25 卸料裝置 ..................................................................................... 25 推件裝置 ..................................................................................... 26 導(dǎo)向零件 ................................................................................................ 28 緊固零部件 ............................................................................................ 30 固定與支撐零件 .................................................................................... 30 上、下模座 ................................................................................. 30 模柄的設(shè)計(jì) ................................................................................. 32 凸模固定板的設(shè)計(jì) ..................................................................... 33 模具的總體設(shè)計(jì) ................................................................................ 34 壓力機(jī)的 校核 ........................................................................................ 36 模具的裝配 ............................................................................................ 37 模架裝配的內(nèi)容和目的 ............................................................. 37 模具裝配的精度要求 ................................................................. 37 冷沖壓模具的裝配的技術(shù)要求 ................................................. 37 模具的裝配 ................................................................................. 38 復(fù)合模的裝配 ............................................................................. 38 結(jié) 束 語 ............................................................................... 錯(cuò)誤 !未定義書簽。 Pro/E。 罩殼沖壓件的設(shè)計(jì)計(jì)算 _畢業(yè)設(shè)計(jì)說明書 II Abstract This paper mainly design the stamping mold through the trim calculation in the design of stamping parts. In the whole mold design process, involving the stamping parts of the structure design, press, and the selection of die set and some important parameters of checking, and mold design are described in detail in the intensive design, discharging device design and ejecting device design. In the entire mold design process, using Pro/E, AutoCAD etc famous design analysis software, through these analysis software to design, optimize the design parameters, shorten the design time, and greatly improve the desi
點(diǎn)擊復(fù)制文檔內(nèi)容
公司管理相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1