撥叉零件機(jī)械加工工藝及夾具設(shè)計(jì)說(shuō)明書(已修改)
2025-07-11 13:24 本頁(yè)面
【正文】 目錄零 件 的 分 析 ...........................................................................3 零件的作用 ..........................................................................3 零件的工藝分析 ..................................................................3 位置要求： ..........................................................................3工 藝 規(guī) 程 設(shè) 計(jì) .....................................................................5 確定毛坯的制造形式 ...........................................................5 基面的選擇 ..........................................................................5 粗基準(zhǔn)的選擇： .......................................................5 精基準(zhǔn)的選擇： .......................................................5 制定工藝路線 ......................................................................6 工藝路線方案一： ...................................................6 工藝路線方案二 .......................................................6 工藝方案的比較與分析 ...........................................7 機(jī)械加工余量、工序尺寸及公差的確定: .........................8 確定切削用量及基本工時(shí) .......................................................10 工序Ⅰ .................................................................................10 工序Ⅱ .................................................................................11 工序Ⅲ .................................................................................12 工序Ⅳ .................................................................................13 工序 V .................................................................................14 工序Ⅴ .................................................................................15 工序Ⅵ .................................................................................15 工序Ⅷ .................................................................................16夾具設(shè)計(jì) .....................................................................................17 問(wèn)題的提出 .............................................................
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