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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(duì)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。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。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。
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(tái)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。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。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)。
關(guān)鍵詞：滾珠絲杠 伺服電機(jī) 橫向進(jìn)給
Abstract
This design is the feeding operation of numerical control lathe with economic type of intermediate precision
In 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 order.
And the numerical control lathe and its system have become an important part in modern manufacturing industry.
So, to realize this task, the effective and the basic channel is to use this economic type of numerical control lathe widely.
Feeding system goes normally with the ball screw which is droved by servo-motor dragging the workbench up and down.
So, this design includes the option of servo motor, the design of ball screw and so on.Now, 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 servo-motor to be joined. Besides the precision of the design needs Bases the primal data.
Consider these two questions in the design sufficient.
Keyword: holler-type thread Servo motor landscape orientation
目 錄
0引言…………………………………………………………………………… 1
1 國內(nèi)外發(fā)展概況及現(xiàn)狀介紹………………………………………………… 2
2 總體方案論證 ………………………………………………………………… 4
2.1選擇傳動(dòng)系統(tǒng)…………………………………………………………… 4
2.2選擇傳動(dòng)裝置…………………………………………………………… 5
3具體設(shè)計(jì)說明……………………………………………………………………6
3.1橫向進(jìn)給滾珠絲杠副的設(shè)計(jì)選擇…………………………………………… 6
3.1.1確定滾珠絲杠的支承方式………………………………………………… 6
3.1.2滾珠絲杠副額定載荷…………………………………………… 7
3.1.3 滾珠絲杠副主要參數(shù)的確定…………………………………………… 8
3.1.4滾珠絲杠與伺服電動(dòng)機(jī)的聯(lián)接……………………………………… 12
3.2伺服電機(jī)型號(hào)選擇…………………………………………………………… 15
3.2.1進(jìn)給電機(jī)功率的確定……………………………………………………… 15
3.2.2伺服電機(jī)型號(hào)……………………………………………………………… 15
3.2.3同步帶輪的選擇……………………………………………………………15
4 結(jié)論……………………………………………………………………………… 17
5 參考文獻(xiàn)………………………………………………………………………… 18
6 設(shè)計(jì)工作小節(jié)………………………………………………………………… 19
7附件清單………………………………………………………………………… 20