R180柴油机气缸体三面钻削组合机床总体及左主轴箱设计目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc170287126"1前言PAGEREF_Toc170287126\h1HYPERLINK\l"_Toc170287127"2组合机床总体设计PAGEREF_Toc170287127\h3HYPERLINK\l"_Toc170287128"2.1总体方案论证PAGEREF_Toc170287128\h3HYPERLINK\l"_Toc170287129"2.1.1被加工零件特点PAGEREF_Toc170287129\h3HYPERLINK\l"_Toc170287130"2.1.2工艺路线的确定PAGEREF_Toc170287130\h32.1.3机床配置型式的选择................................................3HYPERLINK\l"_Toc170287132"2.1.4定位基准的选择PAGEREF_Toc170287132\h42.1.5滑台型式的选择...................................................4HYPERLINK\l"_Toc170287133"2.2切削用量的确定及刀具选择PAGEREF_Toc170287133\h4HYPERLINK\l"_Toc170287134"2.2.1切削用量选择PAGEREF_Toc170287134\h42.2.2切削力、切削扭矩及切削功率计算.....................................52.3组合机床总体设计—三图一卡...........................................62.3.1被加工零件工序图...................................................62.3.2加工示意图.........................................................72.3.3机床尺寸联系总图..................................................92.3.4机床生产率计算卡.................................................113组合机床主轴箱设计...................................................143.1主轴箱原始依据图的绘制.............................................143.2主轴结构型式的选择和动力计算.......................................153.3主轴箱传动系统的设计与计算.........................................153.3.1根据原始依据图对坐标尺寸的计算...................................153.3.2主轴箱传动路线的拟订.............................................153.3.3传动轴位置及齿轮齿数的确定.......................................163.4主轴箱坐标计算、坐标检查图的绘制..................................193.4.1传动轴的坐标的计算...............................................193.4.2坐标检查图的绘制..................................................203.5轴、齿轮、轴承、键的校核..............................................203.5.1轴的校核..........................................................203.5.2齿轮的校核........................................................213.5.3轴承的寿命校核....................................................233.5.4键的强度计算.