机电工程学院机械设计制造及其自动化毕业设计第页共NUMPAGES41页大学毕业设计用纸目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc388115726"设计总说明PAGEREF_Toc388115726\h2HYPERLINK\l"_Toc388115727"DESIGNINSTRUCTIONPAGEREF_Toc388115727\h4HYPERLINK\l"_Toc388115728"1前言PAGEREF_Toc388115728\h7HYPERLINK\l"_Toc388115729"2零件的分析PAGEREF_Toc388115729\h8HYPERLINK\l"_Toc388115730"2.1零件的作用PAGEREF_Toc388115730\h8HYPERLINK\l"_Toc388115731"2.2零件的工艺分析PAGEREF_Toc388115731\h8HYPERLINK\l"_Toc388115732"2.2.1主要加工面PAGEREF_Toc388115732\h9HYPERLINK\l"_Toc388115733"2.2.2主要基准面PAGEREF_Toc388115733\h9HYPERLINK\l"_Toc388115734"3工艺规程设计PAGEREF_Toc388115734\h9HYPERLINK\l"_Toc388115735"3.1确定毛坯的制造形式PAGEREF_Toc388115735\h9HYPERLINK\l"_Toc388115736"3.1.1基面的选择PAGEREF_Toc388115736\h9HYPERLINK\l"_Toc388115737"3.1.2制定工艺路线PAGEREF_Toc388115737\h10HYPERLINK\l"_Toc388115738"3.1.3机械加工余量、工序尺寸及毛坯尺寸的确定PAGEREF_Toc388115738\h12HYPERLINK\l"_Toc388115739"3.2确定切削用量及基本工时PAGEREF_Toc388115739\h13HYPERLINK\l"_Toc388115740"3.2.1粗精铣杠杆下表面PAGEREF_Toc388115740\h13HYPERLINK\l"_Toc388115741"3.2.2钻、扩、铰Φ25H7的通孔PAGEREF_Toc388115741\h16HYPERLINK\l"_Toc388115742"4应用SimulationXpressStudy分析Φ25孔PAGEREF_Toc388115742\h18HYPERLINK\l"_Toc388115743"4.1模型信息PAGEREF_Toc388115743\h18HYPERLINK\l"_Toc388115744"4.2载荷和夹具PAGEREF_Toc388115744\h19HYPERLINK\l"_Toc388115745"4.3算例结果PAGEREF_Toc388115745\h21HYPERLINK\l"_Toc388115746"5其他加工工艺规程设计PAGEREF_Toc388115746\h23HYPERLINK\l"_Toc388115747"5.1粗精铣下平台PAGEREF_Toc388115747\h23HYPERLINK\l"_Toc388115748"5.1.2精铣宽度为30mm的下平台PAGEREF_Toc388115748\h24HYPERLINK\l"_Toc388115749"5.2钻锥孔Φ12.7PAGEREF_Toc388115749\h25HYPERLINK\l"_Toc388115750"5.3钻M8底孔及锪钻Φ14阶梯孔PAGEREF_Toc388115750\h25HYPERLINK\l"_Toc388115751"5.3.1钻Φ7的底孔PAGEREF_Toc388115751\h26HYPERLINK\l"_Toc388115752"5.3.2攻M8螺纹孔PAGEREF_Toc388115752\h26HYPERLINK\l"_Toc388115753"5.4锪钻Φ14阶梯孔PAGEREF_Toc38