【正文】 目 錄1 緒論 .......................................................................................................................................12 工藝性分析 ...........................................................................................................................2 零件介紹 ........................................................................................................................2 零件加工工藝性分析 ....................................................................................................3 零件的結(jié)構(gòu)分析 ..................................................................................................3 圖樣尺寸的標(biāo)注檢查 ..........................................................................................3 加工精度與表面質(zhì)量分析 ..................................................................................33 毛坯與工藝裝配的選擇 .......................................................................................................4 毛胚的選擇 ...................................................................................................................4 分析毛坯的加工余量 .........................................................................................4 分析毛坯的裝夾 ..................................................................................................4 零 件加工定位基準(zhǔn)的選擇 ...........................................................................................4 選擇定位基準(zhǔn)的原則 ..........................................................................................4 方型腔件定位基準(zhǔn)的選擇 ..................................................................................5 工序的劃分和加工工藝路線的確定 ............................................................................5 加工方案 ..............................................................................................................5 工序的劃分 ..........................................................................................................6 加工順序的安排 ..................................................................................................6 選擇并確定工藝裝備 ....................................................................................................6 數(shù)控機(jī)床的選擇 ............................................................................................................6 夾具的選擇 ....................................................................................................................7 刀具材料的選擇 ............................................................................................................8 量具的使用表 ................................................................................................................8 冷卻液的選擇 ................................................................................................................84 工藝參數(shù)選擇 .....................................................................................................................10 切削用量的選擇原則 ..................................................................................................10 主軸轉(zhuǎn)速的確定 ..........................................................................................................10 進(jìn)給速度的確定 ..........................................................................................................11 切削用刀具材料應(yīng)具備的性能 ..................................................................................13 背吃刀量 ap 的確定 .....................................................................................................135 加工工藝文件制定 .............................................................................................................15 制定工藝文件 ..............................................................................................................15 工序卡 .........................................................................................................................16 刀具卡 ..........................................................................................................................18 走刀路線圖 ..................................................................................................................206 程序編寫與零件加工 .........................................................................................................23 加工程序編寫 ..............................................................................................................23 零件加工 ......................................................................................................................23 數(shù)控編程的定義 ..........................................................................................................23 數(shù)控編程的內(nèi)容與步驟 ..............................................................................................23 零件加工步驟 .............................................................................................................24 數(shù)控編程的分類 ..........................................................................................................25 花瓣凸臺與方型腔的加工程序編制 ..........................................................................267 加工質(zhì)量分析 .....................................................................................................................35 尺寸精度分析 ................