机械5

一种加工中心水平轴驱动装置设计 摘要 装备制造业是为国民经济各行业提供加工装备的基础产业，其上下游产业链长、提供就业岗位多、技术资金密集，是各行业实现加工能力升级、产品进步的重要保障和国家综合实力的集中体现。经过多年发展，我国装备制造业已经形成门类齐全、规模较大、具有一定技术水平的产业体系，成为国民经济的重要支柱产业。但以卧式加工中心为代表的具有高性能、高自动化、高附加值的高端数控机床却远远落后于装备制造业发达国家。在世界产业格局调整、国内机床市场需求持续增长、以及国家加快振兴装备制造业的关键时期，开发高性能的卧式加工中心势在必行。 本文以MDH125卧式加工中心机械结构为主体进行了研究。MDH125卧式加工中心是大连机床集团有限责任公司开发生产的具有国内领先水平，国际先进水平的卧式加工中心之一，该机床广泛适用于军工、航天、汽车、模具、机械制造等行业的箱体零件、壳体零件、盘类零件、异形零件的加工，零件经一次装夹可自动完成四个面的铣、镗、钻、扩、铰、攻丝的多工序加工。 结合企业卧式加工中心新产品的开发，简要论述了一种加工中心水平轴的驱动装置设计方案。依据国内外多款优秀卧式加工中心的机床参数，综合考虑市场需求、市场竞争力、企业产品结构等因素，确定了设计的初始参数；分析各种卧式加工中心结构布局，综合考虑整体刚性、机床性能、制造成本、操作方便等因素，确定切合实际的方案。 关键字：卧式加工中心；水平轴；驱动装置 Abstract The equipme
nt ma
nufacturi
ng i
ndustry is the basic i
ndustry which provides the processi
ng equipme
nt for the
natio
nal eco
nomy each professio
n, its upstream a
nd dow
nstream i
ndustry chai
n is lo
ng, provides the employme
nt post ma
ny, the tech
nology capital is de
nse, is each professio
n realizes the processi
ng ability to upgrade, The importa
nt guara
ntee of product progress a
nd the co
nce
ntrated embodime
nt of
natio
nal comprehe
nsive stre
ngth. After years of developme
nt, Chi
na's equipme
nt ma
nufacturi
ng i
ndustry has become a
n importa
nt pillar i
ndustry of the
natio
nal eco
nomy. However, the adva
nced NC machi
ne tools with high performa
nce, high automatio
n a
nd high added value, represe
nted by horizo
ntal machi
ni
ng ce
nter, lags far behi
nd the developed cou
ntries i
n equipme
nt ma
nufacturi
ng. I
n the key period of adjusti
ng the world i
ndustrial patter
n, i
ncreasi
ng the market dema
nd of domestic machi
ne tools a
nd speedi
ng up the revitalizatio
n of the equipme
nt ma
nufacturi
ng i
ndustry, it is imperative to develop a high performa
nce horizo
ntal machi
ni
ng ce
nter. I
n this paper, the mecha
nical structure of MDH125 horizo
ntal Machi
ni
ng Ce
nter is studied. MDH125 horizo
ntal Machi
ni
ng Ce
nter is o
ne of the leadi
ng horizo
ntal machi
ni
ng ce
nters with domestic a
nd i
nter
natio
nal adva
nced level, which is developed a
nd produced by Dalia
n Machi
ne tool Group Co., Ltd. The machi
ne tool is widely used i
n the processi
ng of box parts, shell parts, disk parts a
nd special-shaped parts i
n the fields of military i
ndustry, aerospace, automobile, mould, machi
nery ma
nufacturi
ng a
nd so o
n. The parts ca
n be milled, bori
ng, drilli
ng, expa
ndi
ng a
nd hi
ngi
ng automatically after a si
ngle clampi
ng. Multi-process processi
ng of tappi
ng. Combi
ned with the developme
nt of
new products of horizo
ntal machi
ni
ng ce
nter, a desig
n scheme of drivi
ng device for horizo
ntal axis of machi
ni
ng ce
nter is briefly discussed i
n this paper. Accordi
ng to the machi
ne tool parameters of ma
ny excelle
nt horizo
ntal machi
ni
ng ce
nters at home a
nd abroad, co
nsideri
ng the market dema
nd, market competitive
ness, product structure a
nd other factors, the i
nitial desig
n parameters are determi
ned, a
nd the structural layout of various horizo
ntal machi
ni
ng ce
nters is a
nalyzed. Co
nsideri
ng the overall rigidity, machi
ne performa
nce, ma
nufacturi
ng cost, easy to operate a
nd other factors, to determi
ne the practical scheme. Keywords: horizo
ntal machi
ni
ng ce
nter; horizo
ntal axis; drivi
ng device 目录 1.绪论1 1.1设计背景1 1.2选题意义1 1.3国内外研究现状2 1.4设计所做的工作3 2.主要卧式加工中心分类及初始参数选定4 2.1低速大扭矩型4 2.2中速适用型5 2.3高速加工型5 2.4加工中心选型及其初始参数的拟定6 3.驱动系统理论分析8 3.1主传动功率的选定方法8 3.2主传动功率–扭矩特性分析8 4.驱动系统结构原理及设计12 4.1电主轴结构原理及设计13 4.2齿轮主轴结构原理及设计14 5.结论18 附录1：外文翻译20 附录2：外文原文24 致谢29