机械5

摘要 这篇文章是基于CA6140车床拨叉件和加工工艺分析，包括分析ca6140拨叉零件图，毛坯的选择，制定夹具，零部件的工艺路线，刀具选择，切割的确定方法填充工艺文件的数量。选择正确的加工方法，加工工艺的合理设计。此外，两个流程加工件填充盖设计了专用夹具。 许多类型的夹具，夹具，其中最广泛使用的通用夹具，尺寸和更加标准化，以及专业工厂进行生产。在大规模生产应用广泛，适用于工件的加工流程服务专用夹具，你需要来设计和制造自己的工厂加工的工件。本文的主要内容是设计和加工夹具设计轴承孔夹具。 关键词： CA6140车床，处理，加工方法，工艺文件 Abstract This article is based o
n the a
nalysis of the fork parts a
nd processi
ng tech
nology of CA6140 lathe, i
ncludi
ng the a
nalysis of the part drawi
ng of CA6140 fork, the selectio
n of the bla
nk, the formulatio
n of the fixture, the process route of the parts, the selectio
n of the cutter, a
nd the determi
natio
n of the cutti
ng method to fill the
number of process docume
nts. Choose the right processi
ng method a
nd desig
n the processi
ng tech
nology reaso
nably. I
n additio
n, a special fixture is desig
ned for the filli
ng cover of two process parts. Ma
ny types of jigs, jigs, amo
ngwhich the mostwidely used ge
neral purpose jigs, sizes a
nd more sta
ndardized, aswell as specialized factory productio
n. It iswidely used i
n large-scale productio
n, a
nd is suitable for the special fixture ofworkpiece processi
ng flow service. You
need to desig
n a
nd ma
nufacture theworkpiece processed i
nyour ow
n factory. The mai
n co
nte
nt of this paper is to desig
n a
nd process fixture to desig
n beari
ng hole fixture. Keywords: CA6140 lathe, treatme
nt, processi
ng method, process docume
nt 目录 摘要III AbstractⅣ 第1章绪论1 1.1研究课题的意义及现状1 1.2课题主要研究内容1 1.3研究方法和手段2 1.4研究目标2 1.5方案可行性分析2 第2章CA6140拨叉的分析3 2.1分析CA6140拨叉图3 2.2确定生产类型3 2.3确定毛坯3 第3章CA6140拨叉零件的机械加工工艺过程设计6 3.1CA6140拨叉零件基准的选择6 3.2加工主要工序安排6 3.3选择加工设备与工艺设备8 3.4确定工序尺寸9 3.5切削用量9 3.6时间定额计算及生产安排12 第4章CA6140车床加工工艺及钻铰Φ22孔夹具设计13 4.1基本夹具设计原理13 4.2夹具定位基准的选择13 4.3确定夹具结构，确定夹紧机构方案14 4.4设计CA6140拨叉夹具装配图15 4.6误差分析与计算16 4.7确定钻铰孔夹具的夹具体结构和总体结构19 4.8夹具的钻铰孔夹具设计及操作的简要说明20 总结21 参考文献22