左支座機(jī)械加工工藝設(shè)計(jì)2 (1)

1、1四川交通職業(yè)技術(shù)學(xué)院四川交通職業(yè)技術(shù)學(xué)院畢業(yè)設(shè)計(jì)（論文）畢業(yè)設(shè)計(jì)（論文）班級(jí)：機(jī)制級(jí)：機(jī)制102102姓名：彭廷林名：彭廷林學(xué)號(hào)：號(hào)：2010340220103402指導(dǎo)老師：顏偉指導(dǎo)老師：顏偉3目錄四川交通職業(yè)技術(shù)學(xué)院................................................1一、摘要........................................................

2、....4二、緒論............................................................42.1設(shè)計(jì)目的........................................................42.2設(shè)計(jì)任務(wù)........................................................5三、車床左支座零件的分析及毛坯的確定....

3、............................63.1車床左支座的作用和工藝分析......................................63.1.1零件的作用................................................63.1.2零件的工藝分析............................................73.2確定毛坯、畫毛坯圖........

4、......................................7四、左支座的加工工藝設(shè)計(jì)............................................94.1工藝規(guī)程設(shè)計(jì)....................................................94.1.1定位基準(zhǔn)的選擇............................................94.1.2

5、制訂工藝路線.............................................104.1.3選擇加工設(shè)備及刀、夾、量具...............................154.2加工工序設(shè)計(jì)...................................................15五、夾具設(shè)計(jì)................................................

6、.......265.1選擇定位方案...................................................265.1.1選擇定位方案，確定要限制的自由度.........................265.2夾緊方案.......................................................27根據(jù)工件夾緊的原則，如圖所示，用移動(dòng)式壓板將工件壓在支撐鉆臺(tái)上.....2

7、75.3對(duì)刀方案.......................................................285.4夾具體與定位鍵.................................................285.5夾具總圖上的尺寸，公差和技術(shù)要求...............................28六、參考文獻(xiàn)....................................