KST1002换挡拨叉的钻Φ5H12孔夹具设计及加工工艺规程装备含三维及4张CAD图+说明书
KST1002换挡拨叉的加工工艺及钻Φ5H12圆柱孔夹具设计 摘要 在现代化的生产里面,因为非标零件越来越多,保证非标零件能够得到很好的加工要求的保障就是专用夹具。专用夹具在现代化的生产中非常重要,是生产主力军中不可或缺的一部分。 本次设计写的题目是KST1002换挡拨叉的加工工艺及钻Φ5H12圆柱孔夹具设计。本次设计的主要任务分为两部分:1、零件加工工艺规程的设计;2、Φ5H12圆柱孔专用钻床夹具的设计。 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:夹具、KST1002、换挡拨叉、Φ5H12圆柱孔、钻床 Abstract I
n moder
n productio
n, because more a
nd more
no
n-sta
ndard parts, to e
nsure that
no
n-sta
ndard parts ca
n bevery good processi
ng requireme
nts of the guara
ntee is a special fixture. Special fixture isvery importa
nt i
n moder
n productio
n, a
nd is a
n i
ntegral part of the mai
n productio
n force. The topic of this desig
n is the processi
ng tech
nology of KST1002 shift fork a
nd the desig
n of drill hole 5H12. The mai
n tasks of this desig
n are divided i
nto two parts: 1. The desig
n of parts processi
ng procedures; 2. The desig
n of special drilli
ng fixture for cyli
nder hole of 5H12. At the begi
n
ni
ng of the paper desig
n, I looked through a lot of related materials, for the fixture how to locate, how to clamp a
nd other related k
nowledge have a look, aswell as the curre
nt situatio
n of the fixture for a comprehe
nsive u
ndersta
ndi
ng of the releva
nt k
nowledge. The mai
n co
nte
nts of this desig
n i
nclude: a
nalyzi
ng the structure of the parts, determi
ni
ng the ma
nufacturi
ng form of the parts, drawi
ng part drawi
ngs a
nd bla
nk drawi
ngs; the
n calculati
ng each step to determi
ne the cutti
ng parameters, compili
ng the processi
ng process card a
nd processi
ng process card; determi
ni
ng the positio
ni
ng a
nd clampi
ng program of the processi
ng procedures, selecti
ng the positio
ni
ng compo
ne
nts a
nd bla
nk drawi
ngs. Fixture compo
ne
nts, such as its positio
ni
ng error a
nalysis; draw fixture assembly drawi
ngs a
nd all
no
n-sta
ndard parts drawi
ngs;write desig
n i
nstructio
ns, to summarize the desig
n. Keywords: jig, KST1002, shift fork, 5H12 hole, drill press 目录 摘要I Abstract II 1绪论1 1.1机床夹具的概述1 1.2机床夹具的功能1 1.3机床夹具的研究现状2 2零件分析及毛坯的选择3 2.1零件的作用3 2.2零件分析4 2.2.1组成表面4 2.2.2技术要求4 2.2.3形位公差4 2.3毛坯的选择5 2.3.1选择毛坯的原则5 2.3.2零件毛坯的选择及制造方法5 3拟定工艺路线7 3.1定位基准的选择7 3.1.1粗基准的选择7 3.1.2精基准的选择7 3.2加工工艺路线选择、比较与确定8 3.3加工设备、夹具、刀具及量具的选择9 4加工余量、切削用量及切削时间的确定11 4.1加工余量的确定11 4.2切削用量及切削时间的确定13 5钻削Ф5H12圆柱孔专用夹具设计30 5.1选择定位方案和定位元件30 5.1.1选择定位方案30 5.1.2选择定位元件30 5.2选择夹紧方案和夹紧元件31 5.2.1选择夹紧方案31 5.2.2选择夹紧元件32 5.3设计夹具体32 5.4选择导向装置33 5.5计算钻削力33 5.6计算夹紧力34 5.7分析定位误差34 结论35 致谢36 参考文献37
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