机械5

摘要 在生产过程中，使生产对象（原材料，毛坯，零件或总成等）的质和量的状态发生直接变化的过程叫工艺过程，如毛坯制造，机械加工，热处理，装配等都称之为工艺过程。在制定工艺过程中，要确定各工序的安装工位和该工序需要的工步，加工该工序的机车及机床的进给量，切削深度，主轴转速和切削速度，该工序的夹具，刀具及量具，还有走刀次数和走刀长度，最后计算该工序的基本时间，辅助时间和工作地服务时间。 关键词工序，工艺，工步，加工余量，定位方案，夹紧力 ABSTRACT E
nable produci
ng the target i
n process of productio
n (raw materials, the bla
nk , state of quality a
nd qua
ntity o
n part become always ) take place direct course of cha
nge ask craft course, if the bla
nk is made, machi
ni
ng, heat treatme
nt , assemble etc. a
nd call it the craft course. I
n the course of maki
ng the craft , is it co
nfirm every erector locatio
n a
nd worker step that process
need this of process to wa
nt, the locomotive of processi
ng , this process , a
nd the e
nteri
ng the givi
ng amou
nt of the lathe, cut depth , the rotatio
nal speed of the mai
n shaft a
nd speed of cutti
ng, the jig of this process, the cutter a
nd measuri
ng tool, a o
ne hu
ndred sheets of
number of times still leaves a
nd a o
ne hu
ndred sheets of le
ngth leaves, calculate basic time of this process , auxiliary time a
nd service time of place of worki
ng fi
nally. Keywords： The process, worker o
ne, worker's step , the surplus of processi
ng, orie
nt the scheme , clamp stre
ngth 目录 一、零件的基本情况6 1零件的用途6 2零件的工艺分析6 3摇杆的主要技术要求： 6 4确定生产类型： 7 二、确定毛坯、绘制毛坯简图7 1确定毛坯种类： 7 2确定毛坯的尺寸公差和机械加工余量： 7 三、工艺规程设计8 1定位基准的选择8 2表面加工方法的确定8 3制定工艺路线8 4确定切屑用量及基本时间12 三、夹具设计15 1定位分析15 2定位误差分析15 3选择夹紧机构16 4切削力计算16 5夹紧力计算17 6夹具设计及操作简要说明17 参考文献18