摘要 针对履带式拖拉机后桥轴的机械加工工艺，设计其法兰盘上六个孔的钻孔工序所用的组合机床的滑台及底座。下文主要阐述了组合机床的导轨设计，支承件，以及主轴组件的设计，其中支承件设计包括滑台，滑台体，滑台座的设计。机床的总体布局确定了机床的各个组成部件。导轨设计主要包括导轨类型的选择、截面形状、结构尺寸的确定、压强验、材料选择及热处理、润滑及防护装置和拟定导轨制造的技术要求。支承件的设计主要包括最小壁厚的确定、隔板及加强筋的确定、材料及时效处理的选择、工艺结构的合理性和尺寸的确定。主轴组件的设计包括主轴的传动,主轴直径的确定,润滑及密封,主轴滚动轴承的选择,主轴箱轮廓尺寸的确定,主轴箱传动系统设计。 关键词组合机床；主轴箱；滑台；导轨；支承件；主轴组件 Abstract This passage tells about o
ne part of the process of desig
n the modular machi
ne tool, whichdrills the six holes o
n the collar accordi
ng to the machi
ne worki
ng tech
nology of the rear-axle of the caterpillar tractor. The article explai
ns the desig
n process of the guide rail, supports pieces. A
nd the desig
n of the table slide co
ntai
ns the desig
n of table slide, the body of the table slide, a
nd the base of the table slide. The overall layout of Machi
ne determi
nes the various machi
ne tool compo
ne
nts. The desig
n of the guide rail i
ncludes the choice of the guide rail a
nd the material,the checki
ng computatio
ns of the shape of sectio
n,thedime
nsio
noftheco
nstructio
na
ndthepressure,the tech
nicalrequireme
ntofmaterial,heattreatme
nt,lubricatio
n,shelter a
nd themachi
ni
ng slide way. There are five parts of the desig
n of the supports pieces, the determi
natio
n of mi
nimum wall thick
ness; divisio
n plate a
nd the stiffe
ni
ng rib, the chose
n of the material a
nt effective
ness treatthe ratio
nality of the tech
nical structure a
nd the determi
natio
n of the diameter. The desig
n of spi
ndle compo
ne
nts i
ncludes the drive spi
ndle, spi
ndle diameter of theide
ntificatio
n, lubricatio
n a
nd seal,spi
ndlerolli
ng choice, Spi
ndle Box outli
ne size determi
natio
n, spi
ndle box drive system desig
n. Keywords modular machi
ne tool;table slide;guide rail;supports piecesspi
ndle compo
ne
nts 目录 1绪论4 1.1机床总体设计4 1.2工艺分析4 1.3机床总体布局5 1.4机床技术参数的确定6 2导轨7 2.1导轨的功用与分类7 2.2导轨应满足的要求8 2.3导轨的结构类型9 2.4导轨的尺寸10 3液压滑台设计12 3.1动力滑台的类型选择12 3.2侧底座的设计17 3.2.1中间底座17 3.2.2壁厚的选择18 3.3侧底座的尺寸18 3.4侧底座的材料18 4主轴组件设计19 4.1主轴组件的组成，功用及特点19 4.1.1主轴组件的功用19 4.1.2主轴组件的基本要求20 4.2主轴20 4.3主轴的传动20 4.3.1主轴的传动方式20 4.3.2主轴传动件的布置21 4.4主轴滚动轴承21 4.5主轴箱的设计21 4.6主轴箱通用轴类零件选择22 4.6.1确定传动轴的直径及选材22 4.6.2主轴箱传动系统的设计23 参考文献： 24