【正文】 rvo motor。在設(shè)計(jì)中 充分考慮到這兩個(gè)問題，并且，設(shè)計(jì)精度須達(dá)原始數(shù)據(jù)。 進(jìn)給系統(tǒng)是由伺服電機(jī)經(jīng)滾珠絲杠拖動(dòng)工作臺來完成的所以設(shè)計(jì)涉及伺服電機(jī)的選擇，滾珠絲杠設(shè)計(jì)等。而數(shù)控車床（及其系統(tǒng)）已經(jīng)成為現(xiàn)代機(jī)器制造業(yè)中不可缺少的組成部分。 畢業(yè)設(shè)計(jì) （ 論文 ） 學(xué)院（系）： 機(jī)電工程系 專 業(yè)： 機(jī)械制造及其自動(dòng)化 學(xué) 生： 指導(dǎo)教師： 完成日期 2021 年 5 月 畢業(yè)設(shè)計(jì)（論文） 臥式數(shù)控車床橫向工作臺設(shè)計(jì) The Design of Horizontal NC Lathe Lateral Table 總計(jì)： 畢業(yè)設(shè)計(jì)（論文） 25 頁 表 格： 1 個(gè) 插 圖 ： 12 幅 南 陽 理 工 學(xué) 院 本 科 畢 業(yè) 設(shè) 計(jì)（論文） 臥式數(shù) 控車床 橫向工作臺設(shè)計(jì) The Design of Horizontal NC Lathe Lateral Table 學(xué) 院（系）： 機(jī)電工程系 專 業(yè)： 機(jī)械設(shè)計(jì)制造及其自動(dòng)化 學(xué) 生 姓 名： 學(xué) 號： 指 導(dǎo) 教 師（職稱） 評 閱 教 師： 完 成 日 期： 臥式數(shù)控車床橫向工作臺設(shè)計(jì) 機(jī)械設(shè)計(jì) 制造 及其自動(dòng)化專業(yè) 劉高 明 ［ 摘 要 ］ 此設(shè)計(jì)是經(jīng)濟(jì)型中檔精度數(shù)控車床橫向進(jìn)給系統(tǒng) 。面對我國目前機(jī)床數(shù)量少、工業(yè)生產(chǎn)規(guī)模小的特點(diǎn)，突出的任務(wù)是用較少的資金迅速改變機(jī)械工業(yè)落后的面貌。所以，實(shí)現(xiàn)這一任務(wù)的有效的、基本的途徑就是普及應(yīng)用經(jīng)濟(jì)型數(shù)控機(jī)床。目前絕大部分的機(jī)床的橫向進(jìn)給均是采用滾珠絲杠來傳遞運(yùn)動(dòng)的，傳動(dòng)的精確性主要取決于絲杠支承形式，絲杠與伺服電機(jī)的聯(lián)接方式。 ［ 關(guān)鍵詞 ］ 滾珠絲杠 ； 伺服電機(jī) ； 橫向進(jìn)給 The Design of Horizontal NC Lathe Lateral Table Mechanical Design,Maufaturing and Automation Major LIU Gao－ ming Abstract: This design is the feeding operation of numerical control lathe with economic type of intermediate view to the quantity of machine tools in our country is not enough and the scale of industrial production is little at present, the outstanding task is to change our mechanical industrial appearance with less fund in short the numerical control lathe and its system have bee an important part in modern anufacturing , to realize this task, the effective and the basic channel is to use this economic type of numerical control lathe system goes normally with the ball screw which is droved by servomotor dragging the workbench up and , this design includes the option of servo motor, the design of ball screw and so , the landscape orientation feeding of most machine tools is offered by ball screw. The accuracy of the transmission depends on mainly the form of the screw supports and the way of how screw and servomotor to be joined. Besides the precision of the design needs Bases the primal these two questions in the design his/her capability according to his/her specialty. Key words: hollertype thread 。 landscape orientation 臥式數(shù)控車床橫向工作臺設(shè)計(jì) 目 錄 1 緒論 ........................................................................................................................................ 1 數(shù)控系統(tǒng)的發(fā)展簡史及國外發(fā)展現(xiàn)狀 ...................................................................... 1 我國數(shù)控系統(tǒng)的發(fā)展現(xiàn)狀及趨勢 .............................................................................. 1 數(shù)控技術(shù)狀況 .................................................................................................... 1 數(shù)控系統(tǒng)的發(fā)展趨勢 ........................................................................................ 2 伺服系統(tǒng)的特點(diǎn) .......................................................................................................... 2 設(shè)計(jì)的內(nèi)容、目的和方法 .......................................................................................... 4 2 總體方 案設(shè)計(jì) ........................................................................................................................ 5 方案設(shè)計(jì)及總體布局 .................................................................................................. 5 主切削力的計(jì)算 .......................................................................................................... 5 3 橫向進(jìn)給系統(tǒng) ........................................................................................................................ 7 已知技術(shù)參數(shù) .............................................................................................................. 7 滾珠絲杠的計(jì)算及選擇 .............................................................................................. 7 滾珠絲杠導(dǎo)程的確定 ........................................................................................ 7 確定絲杠的等效轉(zhuǎn)速 ........................................................................................ 8 估計(jì)工作臺質(zhì)量及工作臺承重 ........................................................................ 8 確定絲杠的等效負(fù)載 ........................................................................................ 8 選擇滾珠絲杠型號 .......................................................................................... 10 校核 ............................................................................................................................ 10 臨界壓縮負(fù)荷 .................................................................................................. 10 臨界轉(zhuǎn)速 .......................................................................................................... 11 絲杠拉壓振動(dòng)與扭轉(zhuǎn)振動(dòng)的固有頻率 .......................................................... 12 絲杠扭轉(zhuǎn)剛度 .................................................................................................. 13 傳動(dòng)精度計(jì)算 .................................................................................................. 14 伺服電機(jī)計(jì)算 .................................................................................................. 14 電機(jī)的選擇 ...................................................................................................... 15 4 床身及導(dǎo)軌 .......................................................................................................................... 16 床身 ............................................................................................................................ 16 5 數(shù)控系統(tǒng)選擇 ....................................................................