机械5

数控机床自动对刀仪的设计 摘要：为满足用户对加工精度和效率越来越高的要求，很多数控机床生产厂家及用户都希望在其机床上配备各种加工精度监测设备，在机床上使用测量装置进行自动测量，对刀具位置进行测量，并根据测量结果自动修正刀具的偏置量，使同样的机床能加工出更高精度的零件。本文设计的就是一个能在简易数控镗床上使用的自动对刀仪.本对刀仪对刀迅速简捷，一般对刀只需几分钟，而且对刀准确，有信号显示，使用非常方便，消除对刀者对刀的烦恼，提高数控镗床加工效率，具有较高的实用价值。 关键词：自动对刀仪;刀补；数控镗床 Desig
n of automatic tool-setti
ng i
nstrume
nt for NC Machi
ne tool Abstract：To satisfyi
ng the more a
nd more
needs of customer i
n ma
nufacturi
ng precisio
n a
nd i
n efficie
ncy, a lot of NC lathe factories a
nd customers hope to provide ki
nds of mo
nitor equipme
nts to process the precisio
n,usi
ng the measure equipme
nt to measure automatically,so that receive the tool directly,a
nd automatically correct the tool positio
ns accordi
ng to the measure result,thuswe ca
n get the higher precisio
n i
n same NC lathe. This paper aims to desig
ni
ng a tool checki
ng i
nstrume
nt that ca
n be used for NC Bori
ng Lathe. By the display of sig
nal,the tool checki
ng
not o
nly ca
nwork accurately a
nd expedie
ntly but also ca
n avoid the bother of operator,i
ncreasi
ng the level of processi
ng efficie
ncy a
nd havi
ng the higher practical applyi
ngvalue. Keywords:Tool Checki
ng I
nstrume
nt; tool repair; NC bori
ng lathe 目录 摘要……………………………………………………………………………………1 关键词…………………………………………………………………………………1 1前言…………………………………………………………………………………2 2国内外对刀仪产品介绍…………………………………………………………3 2.1国内产品………………………………………………………………………3 2.2国外产品……………………………………………………………………3 3数控机床自动对刀仪的设计要求…………………………………………………3 4整体方案的设计……………………………………………………………………4 4.1方案比较………………………………………………………………………4 4.2方案细化优循………………………………………………………………6 4.3标准公差及配合的选用……………………………………………………7 4.3.1标准公差…………………………………………………………………7 4.3.2配合………………………………………………………………………8 4.3.3标准公差与配合的选用…………………………………………………8 4.3.4基准制的选用……………………………………………………………8 5零部件设计…………………………………………………………………………9 5.1刀套的设计……………………………………………………………………9 5.2轴承的设计…………………………………………………………………10 5.3底座的设计…………………………………………………………………12 5.4底座端盖的设计……………………………………………………………13 5.5端盖的螺栓设计……………………………………………………………14 5.6导柱的设计…………………………………………………………………14 5.6.1设计要求………………………………………………………………14 5.6.2设计过程………………………………………………………………15 5.6.3细长轴加工工艺………………………………………………………21 5.7弹性滑套的设计……………………………………………………………22 5.7.1设计要求………………………………………………………………22 5.7.2上弹性导套的作用……………………………………………………22 5.7.3上弹性导套的设计程序与过程………………………………………23 5.7.4下弹性导套的作用……………………………………………………24 5.7.5下弹性滑套拧紧支块的设计…………………………………………24 5.8限位板的设计………………………………………………………………24 5.8.1设计要求………………………………………………………………24 5.8.2设计过程………………………………………………………………24 6传动方案的设计…………………………………………………………………25 7对刀仪的装配……………………………………………………………………25 8简易对刀仪的使用说明…………………………………………………………27 9结论………………………………………………………………………………27 参考文献……………………………………………………………………………28 致谢…………………………………………………………………………………29