撥叉零件機(jī)械加工工藝及夾具設(shè)計(jì)說(shuō)明書(shū)-展示頁(yè)
2025-07-08 13:24本頁(yè)面
【正文】 ..........................................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 .........................................................................17 夾具設(shè)計(jì) .............................................................................18 定位基準(zhǔn)選擇 ..........................................................18 切削力及夾緊力計(jì)算 ..............................................18 定位誤差分析 ..........................................................18參考文獻(xiàn): ..........................................................................................1911 零 件 的 分 析 零件的作用題目所給的零件是 CA6140 車床的撥叉。它位于車床變速機(jī)構(gòu)中
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