这篇写的题目是止动箍零件加工工艺及夹具设计，本次夹具设计钻削Ф12H7圆柱孔专用夹具。 一开始进行设计的时候，我翻阅了很多相关的材料，对于夹具怎么进行定位，怎么进行夹紧等等相关的知识都了解了一下，还有对于夹具现在的状况的有关知识进行了全面的了解。本次设计的主要内容有：对零件结构的分析，确定零件的制造形式，绘制零件图和毛坯图；然后对每一个步进行计算，确定切削用量，编写加工工艺过程卡和加工工序卡；确定加工工序的定位方案和夹紧方案，选择定位元件和夹紧元件等，对其定位误差进行分析；绘制夹具装配图及所有非标零件图；撰写设计说明书，对本次设计进行总结。 关键词：止动箍、加工工艺、夹具设计、钻削、Ф12H7圆柱孔 ABSTRACT I
n the moder
n productio
n i
nside, fixture i
n the processi
ng time isvery critical, i
n the productio
n of equipme
nt o
n the use of time, ca
n
not be discarded a key part. Processi
ng the scope of this i
ndustry is relativelywide, the productio
n of parts,whether it is structure or cha
nge isvery large, a
nd
now basically do
not have a commo
n fixture to the productio
n. I
n thisway, the special fixture i
n the moder
n productio
nwhich isvery importa
nt. This paper iswritte
n i
n the title of the o
nly hoop parts processi
ng tech
nology a
nd fixture desig
n, the fixture desig
n drilli
ngФ12H7 cyli
ndrical hole special fixture. At the begi
n
ni
ng of the paper desig
n, I read a lot of related materials, how to locate the fixture, how to clamp a
nd so o
n the releva
nt k
nowledge are aware of the situatio
n, aswell as the curre
nt situatio
n of the fixture of the releva
nt k
nowledge of a comprehe
nsive To u
ndersta
ndi
ng. The mai
n co
nte
nts of this desig
n are: the a
nalysis of the parts structure, determi
ne the parts of the ma
nufacturi
ng form, drawi
ng parts a
nd rough map; a
nd the
n for each step to determi
ne the amou
nt of cutti
ng, the preparatio
n of processi
ng process cards a
nd processi
ng process card; Processi
ng positio
ni
ng method a
nd clampi
ng program, select the positio
ni
ng eleme
nts a
nd clampi
ng compo
ne
nts, etc., to a
nalyze the positio
ni
ng error; drawi
ng fixture assembly drawi
ngs a
nd all
no
n-sta
ndard parts map;write desig
n specificatio
ns, the desig
n summary. Keywords：Stop hoop, processi
ng tech
nology, fixture desig
n, drilli
ng,Ф12H7 cyli
ndrical hole 目录 摘要I ABSTRACT II 第1章绪论1 1.1机床夹具的概述1 1.2机床夹具的研究现状1 1.3机床夹具的发展趋势1 1.4课题设计工作任务的安排3 第2章零件的分析4 2.1零件的作用4 2.2零件的工艺分析4 2.2.1零件的组成表面4 2.2.2零件的技术要求4 2.2.3零件的形位公差5 第3章零件工艺规程的设计6 3.1零件生产类型的确定6 3.2确定零件的材料及制造方式6 3.3选择加工的定位基准7 3.4加工工艺路线的制定8 3.5加工方法、加工刀具及量具的选用9 3.6各工序工步加工余量的计算10 3.7确定切削用量及基本工时11 第4章专用夹具设计22 4.1定位方案及定位元件的确定与选择22 4.1.1定位方案的确定22 4.1.2定位元件的确定23 4.2夹紧方案及装置的确定与选择23 4.2.1夹紧方案的确定23 4.2.2夹紧元件的确定24 4.3夹具体的确定25 4.4导向装置的确定26 4.5钻削力的计算26 4.6定位误差分析26 结论27 致谢28 参考文献29