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系統初始設計對數控系統有什么影響？

文章出處：maituwangluo.com  |  發布時間：2016/11/11 10:42:41  |  瀏覽次數：567
重慶電機維修：跟著師傅學習了這么長時間的真空泵的知識，但是對于真空泵的維修還是不是很了解，于是在網上查找了一些資料，希望能對自己的專業知識有所幫助。
干(gan)式真空(kong)泵(beng)目前在國(guo)(guo)內仍(reng)處(chu)于(yu)起步階段(duan)，國(guo)(guo)產(chan)替代進口將會成為日后(hou)的(de)(de)趨勢。干(gan)式真空(kong)泵(beng)對(dui)于(yu)制程(cheng)的(de)(de)良率(lv)會產(chan)生較大(da)的(de)(de)效果(guo)。干(gan)泵(beng)替代現有的(de)(de)水泵(beng)、油(you)泵(beng)也是(shi)一(yi)個趨勢。
真(zhen)空(kong)干燥(zao)(zao)箱要是不(bu)含(han)泵的話，那也就(jiu)不(bu)能叫真(zhen)空(kong)干燥(zao)(zao)箱了，就(jiu)像汽(qi)車沒有了發動機，汽(qi)車還能發動起來?
在對真(zhen)空泵(beng)維修的(de)過(guo)程中發(fa)現，泵(beng)里面全都是(shi)水(shui)，正常情況下(xia)(xia)泵(beng)里面應該是(shi)油，泵(beng)在抽真(zhen)空的(de)同時(shi)也(ye)把水(shui)抽到泵(beng)里，產生(sheng)了大(da)(da)量的(de)油水(shui)化合物(wu)，泵(beng)在工作(zuo)的(de)時(shi)候，大(da)(da)量水(shui)的(de)存在使泵(beng)的(de)負(fu)荷(he)量增大(da)(da)，長期下(xia)(xia)來泵(beng)也(ye)就會(hui)出問(wen)題。
真空(kong)(kong)干燥(zao)(zao)箱(xiang)對(dui)于所烘的(de)(de)物料是(shi)有要(yao)求的(de)(de)，其(qi)一是(shi)不能含有大量的(de)(de)水，其(qi)二(er)是(shi)不能含有有機化合物;二(er)者在(zai)抽(chou)真空(kong)(kong)的(de)(de)同事會被泵抽(chou)進體(ti)內，從而(er)產生一系列的(de)(de)不良反應，影響泵的(de)(de)使(shi)(shi)用(yong)壽命。如(ru)果物料含水或者是(shi)有機溶劑，得(de)加(jia)液態水過(guo)濾器和冷凝器，起(qi)到一個過(guo)濾的(de)(de)作用(yong)。我們在(zai)使(shi)(shi)用(yong)真空(kong)(kong)干燥(zao)(zao)箱(xiang)的(de)(de)同時， 也一定要(yao)加(jia)強對(dui)于真空(kong)(kong)泵的(de)(de)維(wei)護，及時給(gei)真空(kong)(kong)泵換油(you)，延長它的(de)(de)使(shi)(shi)用(yong)壽命。
重(zhong)(zhong)慶電(dian)(dian)機(ji)維修,重(zhong)(zhong)慶電(dian)(dian)機(ji)維修廠(chang)家,重(zhong)(zhong)慶電(dian)(dian)機(ji)維修公司技(ji)(ji)術不僅是保障正(zheng)常(chang)運(yun)行的(de)(de)前提，對數控(kong)技(ji)(ji)術的(de)(de)發展和完善也(ye)起(qi)到了(le)巨(ju)大的(de)(de)推(tui)動作用，因此，目(mu)前它已經成為一門專門的(de)(de)學科。
目(mu)前世界上的(de)數控(kong)(kong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)種(zhong)類繁多，形式各異，組成(cheng)結構(gou)(gou)(gou)上都有(you)各自(zi)的(de)特點(dian)。這些(xie)結構(gou)(gou)(gou)特點(dian)來源(yuan)于(yu)(yu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)初(chu)始設計的(de)基本(ben)要求和(he)工(gong)(gong)(gong)程(cheng)設計的(de)思(si)路(lu)。例(li)如(ru)(ru)對點(dian)位控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)和(he)連續軌跡控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)就有(you)截然不(bu)同的(de)要求。對于(yu)(yu)T系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)和(he)M系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，同樣也(ye)有(you)很(hen)大(da)的(de)區別，前者適用(yong)(yong)于(yu)(yu)回轉體零(ling)件(jian)加(jia)(jia)工(gong)(gong)(gong)，后者適合于(yu)(yu)異形非回轉體的(de)零(ling)件(jian)加(jia)(jia)工(gong)(gong)(gong)。對于(yu)(yu)不(bu)同的(de)生產(chan)廠家來說，基于(yu)(yu)歷史(shi)發展因(yin)素以及各自(zi)因(yin)地而異的(de)復雜因(yin)素的(de)影響，在設計思(si)想上也(ye)可(ke)能各有(you)千秋。例(li)如(ru)(ru)，美國(guo)Dynapath系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)采用(yong)(yong)小板結構(gou)(gou)(gou)，便于(yu)(yu)板子更換和(he)靈活(huo)結合，而日本(ben)FANUC系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)則趨向大(da)板結構(gou)(gou)(gou)，使之(zhi)有(you)利(li)于(yu)(yu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)工(gong)(gong)(gong)作的(de)可(ke)靠性(xing)，促使系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)的(de)平均無(wu)故障率不(bu)斷提高。然而無(wu)論哪種(zhong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，它們的(de)基本(ben)原理和(he)構(gou)(gou)(gou)成(cheng)是十分相(xiang)似的(de)。一般整(zheng)(zheng)個數控(kong)(kong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)由(you)三(san)大(da)部(bu)分組成(cheng)，即控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，伺(si)(si)服(fu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)和(he)位置測量系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)。控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)按加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)件(jian)程(cheng)序進行插補運算(suan)，發出(chu)控(kong)(kong)制(zhi)(zhi)(zhi)指令(ling)到(dao)伺(si)(si)服(fu)驅(qu)動(dong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)；伺(si)(si)服(fu)驅(qu)動(dong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)將控(kong)(kong)制(zhi)(zhi)(zhi)指令(ling)放大(da)，由(you)伺(si)(si)服(fu)電機(ji)驅(qu)動(dong)機(ji)械按要求運動(dong)；測量系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)檢測機(ji)械的(de)運動(dong)位置或速度，并反饋(kui)到(dao)控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，來修正(zheng)控(kong)(kong)制(zhi)(zhi)(zhi)指令(ling)。這三(san)部(bu)分有(you)機(ji)結合，組成(cheng)完整(zheng)(zheng)的(de)閉環控(kong)(kong)制(zhi)(zhi)(zhi)的(de)數控(kong)(kong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)。

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