【正文】 體交變的壓力和慣性力作用。由于能力有限，經(jīng)驗(yàn)不足，設(shè)計(jì)中還有許多不足之處，希望老師給予批評和指正。目 錄序 言 ..............................................................................................................................................................................................1第一章 連桿的結(jié)構(gòu)特點(diǎn)及技術(shù)條件分析 ..................................................................................................................................2 連桿的結(jié)構(gòu)特點(diǎn) ............................................................................................................................................................2 連桿的技術(shù)要求 ...........................................................................................................................................................2第二章 連桿的材料和毛坯 ..........................................................................................................................................................4 連桿的材料選擇 ............................................................................................................................................................4 毛坯加工方法選擇 ........................................................................................................................................................4第三章 機(jī)械加工工藝過程分析 ..................................................................................................................................................6 工藝過程的安排： .......................................................................................................................................................6 定為基準(zhǔn)的選擇 ...........................................................................................................................................................6 毛坯余量的選擇 ...........................................................................................................................................................7 初擬加工工藝路線 .......................................................................................................................................................7第四章 加工設(shè)備及刀、夾、量具的選擇 ..............................................................................................................................10第五章 工序設(shè)計(jì)計(jì)算 ................................................................................................................................................................12 小頭孔工序尺寸的計(jì)算 ............................................................................................................................................12 工序余量的計(jì)算 .............................................................................................................................................12 機(jī)床功率的校核 .............................................................................................................................................12 時間定額的計(jì)算 .............................................................................................................................................13 大小頭兩端面的加工 .................................................................................................................................................14 工序余量的計(jì)算 .............................................................................................................................................14 機(jī)床功率的校核 ..............................................................................................................................................15 鉆鉸連桿蓋上螺栓孔并倒角 .....................................................................................................................................15 工序余量的計(jì)算 .............................................................................................................................................15 機(jī)床功率的校核 .............................................................................................................................................16 時間定額的計(jì)算 ...................................................................................................................................