机械5

目录 第一章活塞的技术要求---------------------------------------------------------------------------------------2 第二章活塞的加工-----------------------------------------------------------------------------------------------5 §2-1生产类型的确定--------------------------------------------------------------------------------------------------5 §2-2毛坯的分析------------------------------------------------------------------------------------------------------5 §2-3制定工艺路线---------------------------------------------------------------------------------------------------7 §2-4确定加工余量--------------------------------------------------------------------------------------------------16 §2-5确定各工序的工艺装备----------------------------------------------------------------------------------20 §2-6确定切削用量--------------------------------------------------------------------------------------------------25 §2-7工序时间的确定-----------------------------------------------------------------------------------------------28 第三章钻油孔夹具设计----------------------------------------------------------------------------------------32 §3-1工件的定位方案-----------------------------------------------------------------------------------------------32 §3-2工件的夹紧方案-----------------------------------------------------------------------------------------------33 §3-3夹具其它装置的设计-----------------------------------------------------------34 §3-4钻油孔夹具的工作原理---------------------------------------------------------35 第四章铣气门夹具设计--------------------------------------------------------------------------------------37 §4-1基本概念---------------------------------------------------------------------------------------------------------37 §4-2工件的定位方案-----------------------------------------------------------------------------------------------37 §4-3工件的夹紧方案-----------------------------------------------------------------------------------------------38 §4-4分度装置设计---------------------------------------------------------------------------------------------------41 §4-5夹具体的设计---------------------------------------------------------------------------------------------------43 §4-6铣气门夹具的工作原理-------------------------------------------------------------------------------------44 结束语------------------------------------------------------------------------------------------------------------------46 参考文献---------------------------------------------------------------------------------------------------------------47 附件1--------------------------------------------------------------------------------------------------------------------48 附件2实习报告-----------------------------------------------------------------------------