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  •  伺服電機的特點與作用介紹  伺服(fu)電機可(ke)以(yi)(yi)控(kong)制(zhi)速(su)(su)度(du),位(wei)置精度(du)非常(chang)準確,可(ke)以(yi)(yi)將(jiang)電壓(ya)信(xin)號(hao)轉(zhuan)(zhuan)化為(wei)(wei)轉(zhuan)(zhuan)矩(ju)和轉(zhuan)(zhuan)速(su)(su)以(yi)(yi)驅動(dong)(dong)控(kong)制(zhi)對象。伺服(fu)電機轉(zhuan)(zhuan)子(zi)轉(zhuan)(zhuan)速(su)(su)受輸(shu)入信(xin)號(hao)控(kong)制(zhi),并能快速(su)(su)反應,在自動(dong)(dong)控(kong)制(zhi)系統中(zhong),用作執(zhi)行元(yuan)件,且具有機電時間常(chang)數小、線性度(du)高等特(te)性,可(ke)把所(suo)收到的電信(xin)號(hao)轉(zhuan)(zhuan)換成電動(dong)(dong)機軸(zhou)上的角(jiao)位(wei)移或角(jiao)速(su)(su)度(du)輸(shu)出。分為(wei)(wei)直流和交(jiao)流伺服(fu)電動(dong)(dong)機兩(liang)大類(lei),其主要(yao)特(te)點是,當信(xin)號(hao)電壓(ya)為(wei)(wei)零時無自轉(zhuan)(zhuan)現象,轉(zhuan)(zhuan)速(su)(su)隨著(zhu)轉(zhuan)(zhuan)矩(ju)的增加而勻速(su)(su)下降。 電動(dong)(dong)機的類(lei)型對于伺服(fu)電動(dong)(dong)機并不
    發布(bu)時間:2022-11-18 13:48 點擊次(ci)數:425 次(ci)
  • 伺服電機調試方法 伺(si)(si)服電(dian)(dian)機調試(shi)方(fang)(fang)法1、初(chu)始化參數(shu)在(zai)接線之前,先初(chu)始化參數(shu)。伺(si)(si)服電(dian)(dian)機在(zai)控(kong)(kong)制(zhi)(zhi)卡(ka)上:選好控(kong)(kong)制(zhi)(zhi)方(fang)(fang)式;將(jiang)PID參數(shu)清零;讓(rang)控(kong)(kong)制(zhi)(zhi)卡(ka)上電(dian)(dian)時默(mo)認使(shi)能信號關(guan)閉;將(jiang)此狀(zhuang)態(tai)保(bao)存,確保(bao)控(kong)(kong)制(zhi)(zhi)卡(ka)再次上電(dian)(dian)時即為(wei)(wei)此狀(zhuang)態(tai)。在(zai)伺(si)(si)服電(dian)(dian)機上:設(she)置(zhi)(zhi)(zhi)控(kong)(kong)制(zhi)(zhi)方(fang)(fang)式;設(she)置(zhi)(zhi)(zhi)使(shi)能由外部控(kong)(kong)制(zhi)(zhi);編碼器(qi)信號輸出的(de)齒輪比(bi)(bi);設(she)置(zhi)(zhi)(zhi)控(kong)(kong)制(zhi)(zhi)信號與電(dian)(dian)機轉(zhuan)速的(de)比(bi)(bi)例關(guan)系。一般來說,建議使(shi)伺(si)(si)服工作中的(de)*大(da)設(she)計轉(zhuan)速對(dui)應9V的(de)控(kong)(kong)制(zhi)(zhi)電(dian)(dian)壓。比(bi)(bi)如,山(shan)洋(yang)是(shi)設(she)置(zhi)(zhi)(zhi)1V電(dian)(dian)壓對(dui)應的(de)轉(zhuan)速,出廠值為(wei)(wei)50
    發布時間:2022-11-03 16:04 點(dian)擊次數:445 次
  •  交流伺服電機組成結構 交流(liu)伺服(fu)(fu)(fu)電機(ji)(ji)組成結構(gou)(gou)交流(liu)伺服(fu)(fu)(fu)電機(ji)(ji)定子(zi)(zi)(zi)的構(gou)(gou)造基本上(shang)與電容分(fen)相(xiang)式單相(xiang)異(yi)步電動(dong)(dong)機(ji)(ji)相(xiang)似.其(qi)定子(zi)(zi)(zi)上(shang)裝有(you)兩個位置互差90°的繞組,一個是(shi)勵磁繞組Rf,它始終接在交流(liu)電壓Uf上(shang);另一個是(shi)控制(zhi)(zhi)繞組L,聯接控制(zhi)(zhi)信號電壓Uc。所以交流(liu)伺服(fu)(fu)(fu)電動(dong)(dong)機(ji)(ji)又稱(cheng)兩個伺服(fu)(fu)(fu)電動(dong)(dong)機(ji)(ji)。交流(liu)伺服(fu)(fu)(fu)電機(ji)(ji)的轉(zhuan)(zhuan)子(zi)(zi)(zi)通常(chang)做成鼠籠式,但為了(le)使伺服(fu)(fu)(fu)電動(dong)(dong)機(ji)(ji)具(ju)有(you)較寬(kuan)的調(diao)速(su)范(fan)圍、線性的機(ji)(ji)械特性,無“自轉(zhuan)(zhuan)”現象和(he)快速(su)響應(ying)的性能,它與普通電動(dong)(dong)機(ji)(ji)相(xiang)比,應(ying)具(ju)有(you)轉(zhuan)(zhuan)子(zi)(zi)(zi)電阻(zu)大
    發布時間:2022-10-26 14:59 點(dian)擊(ji)次(ci)數:285 次(ci)
  • 直流伺服電機常見用途  直(zhi)(zhi)流(liu)(liu)伺服(fu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)常見用途(tu)1、機(ji)(ji)(ji)(ji)(ji)械特(te)(te)性在輸入的(de)電(dian)(dian)(dian)(dian)樞(shu)電(dian)(dian)(dian)(dian)壓(ya)Ua保持不(bu)變(bian)時,電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)轉(zhuan)速(su)n隨(sui)電(dian)(dian)(dian)(dian)磁(ci)轉(zhuan)矩M變(bian)化而變(bian)化的(de)規律(lv),稱(cheng)直(zhi)(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)機(ji)(ji)(ji)(ji)(ji)械特(te)(te)性。2、直(zhi)(zhi)流(liu)(liu)伺服(fu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)調節(jie)特(te)(te)性直(zhi)(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)在一定的(de)電(dian)(dian)(dian)(dian)磁(ci)轉(zhuan)矩M(或(huo)負載(zai)轉(zhuan)矩)下(xia)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)穩(wen)態轉(zhuan)速(su)n隨(sui)電(dian)(dian)(dian)(dian)樞(shu)的(de)控制電(dian)(dian)(dian)(dian)壓(ya)Ua變(bian)化而變(bian)化的(de)規律(lv),被(bei)稱(cheng)為(wei)直(zhi)(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)調節(jie)特(te)(te)性。3、動態特(te)(te)性從原來的(de)穩(wen)定狀態到(dao)新的(de)穩(wen)定狀態,存在一個過渡(du)過程(cheng),這就是(shi)直(zhi)(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)動態特(te)(te)性。常見用途(tu)1、各類數字控制系(xi)統中的(de)執行機(ji)(ji)(ji)(ji)(ji)
    發布(bu)時(shi)間:2022-10-20 16:55 點擊次數:223 次
  • 伺服電機的應用優點 伺(si)服電機(ji)的(de)(de)應(ying)用領域就(jiu)太(tai)多了。只要是要有(you)動(dong)力源的(de)(de),而(er)且對(dui)精(jing)度(du)(du)有(you)要求的(de)(de)一(yi)般都可能涉及(ji)到(dao)伺(si)服電機(ji)。如機(ji)床(chuang)、印(yin)刷設(she)備、包裝設(she)備、紡織設(she)備、激(ji)光加工(gong)(gong)設(she)備、機(ji)器人、自動(dong)化生(sheng)產(chan)線等(deng)對(dui)工(gong)(gong)藝精(jing)度(du)(du)、加工(gong)(gong)效率和工(gong)(gong)作可靠性(xing)等(deng)要求相對(dui)較高的(de)(de)設(she)備。相比(bi)其它電機(ji)到(dao)底有(you)什么(me)優點: 1、精(jing)度(du)(du):實現了位置,速(su)(su)度(du)(du)和力矩的(de)(de)閉(bi)環控制;克服了步進電機(ji)失(shi)步的(de)(de)問題; 2、轉速(su)(su):高速(su)(su)性(xing)能好,一(yi)般額定轉速(su)(su)能達(da)到(dao)2000~3000轉; 3、
    發布時(shi)間(jian):2022-10-17 11:03 點(dian)擊次數:187 次
  • 直流伺服電機應用特點 直(zhi)(zhi)流伺服電(dian)(dian)機(ji)(ji)應用特(te)(te)點1、機(ji)(ji)械特(te)(te)性在(zai)輸入的(de)(de)電(dian)(dian)樞電(dian)(dian)壓(ya)Ua保持不變時,電(dian)(dian)機(ji)(ji)的(de)(de)轉(zhuan)速n隨電(dian)(dian)磁轉(zhuan)矩M變化而(er)變化的(de)(de)規律,稱(cheng)直(zhi)(zhi)流電(dian)(dian)機(ji)(ji)的(de)(de)機(ji)(ji)械特(te)(te)性。2、直(zhi)(zhi)流伺服電(dian)(dian)機(ji)(ji)調節特(te)(te)性直(zhi)(zhi)流電(dian)(dian)機(ji)(ji)在(zai)一定(ding)的(de)(de)電(dian)(dian)磁轉(zhuan)矩M(或(huo)負載轉(zhuan)矩)下電(dian)(dian)機(ji)(ji)的(de)(de)穩(wen)(wen)態(tai)(tai)(tai)轉(zhuan)速n隨電(dian)(dian)樞的(de)(de)控(kong)制電(dian)(dian)壓(ya)Ua變化而(er)變化的(de)(de)規律,被稱(cheng)為直(zhi)(zhi)流電(dian)(dian)機(ji)(ji)的(de)(de)調節特(te)(te)性。3、動(dong)態(tai)(tai)(tai)特(te)(te)性從原(yuan)來(lai)的(de)(de)穩(wen)(wen)定(ding)狀(zhuang)態(tai)(tai)(tai)到新(xin)的(de)(de)穩(wen)(wen)定(ding)狀(zhuang)態(tai)(tai)(tai),存(cun)在(zai)一個過渡(du)過程,這就是直(zhi)(zhi)流電(dian)(dian)機(ji)(ji)的(de)(de)動(dong)態(tai)(tai)(tai)特(te)(te)性。常見用途1、各(ge)類數字控(kong)制系統中(zhong)的(de)(de)執行機(ji)(ji)
    發布(bu)時間:2022-09-02 13:56 點擊(ji)次(ci)數:226 次(ci)
  • 編碼器簡介 編(bian)(bian)碼器簡介編(bian)(bian)碼器這(zhe)個基本的(de)(de)(de)(de)功能與普通(tong)編(bian)(bian)碼器是一(yi)樣(yang)的(de)(de)(de)(de),比如**型的(de)(de)(de)(de)有(you)A,A反(fan),B,B反(fan),Z,Z反(fan)等信號,除(chu)此(ci)之外,伺服編(bian)(bian)碼器還有(you)著跟普通(tong)編(bian)(bian)碼器不同的(de)(de)(de)(de)地方,那就(jiu)是伺服電(dian)機(ji)多數為(wei)同步電(dian)機(ji),同步電(dian)機(ji)啟(qi)(qi)動(dong)的(de)(de)(de)(de)時候(hou)需要(yao)知道(dao)轉子的(de)(de)(de)(de)磁極位置,這(zhe)樣(yang)才能夠大力(li)矩啟(qi)(qi)動(dong)伺服電(dian)機(ji),這(zhe)樣(yang)需要(yao)另外配幾路信號來檢測轉子的(de)(de)(de)(de)當前(qian)位置,比如增量(liang)型的(de)(de)(de)(de)就(jiu)有(you)UVW等信號,正因(yin)為(wei)有(you)了這(zhe)幾路檢測轉子位置的(de)(de)(de)(de)信號,伺服電(dian)機(ji)編(bian)(bian)碼器顯得(de)有(you)點復雜了,以致一(yi)
    發布時間:2022-08-26 11:52 點擊次(ci)數:223 次(ci)
  •  伺服電機制動方式的介紹 伺(si)服電(dian)(dian)(dian)機(ji)(ji)用戶往往對電(dian)(dian)(dian)磁制(zhi)動(dong)(dong)(dong)(dong),再(zai)生制(zhi)動(dong)(dong)(dong)(dong),動(dong)(dong)(dong)(dong)態制(zhi)動(dong)(dong)(dong)(dong)的作用混淆,選擇了(le)錯誤的配件。 動(dong)(dong)(dong)(dong)態制(zhi)動(dong)(dong)(dong)(dong)器(qi)由動(dong)(dong)(dong)(dong)態制(zhi)動(dong)(dong)(dong)(dong)電(dian)(dian)(dian)阻組成,在(zai)(zai)故(gu)障(zhang)、急(ji)停、電(dian)(dian)(dian)源斷(duan)(duan)電(dian)(dian)(dian)時(shi)通過(guo)能耗(hao)制(zhi)動(dong)(dong)(dong)(dong)縮短伺(si)服電(dian)(dian)(dian)機(ji)(ji)的機(ji)(ji)械進(jin)給距離(li)。 再(zai)生制(zhi)動(dong)(dong)(dong)(dong)是(shi)指伺(si)服電(dian)(dian)(dian)機(ji)(ji)在(zai)(zai)減速或停車時(shi)將制(zhi)動(dong)(dong)(dong)(dong)產生的能量通過(guo)逆(ni)變回路反饋到直流母(mu)線,經阻容回路吸收。 電(dian)(dian)(dian)磁制(zhi)動(dong)(dong)(dong)(dong)是(shi)通過(guo)機(ji)(ji)械裝置鎖住電(dian)(dian)(dian)機(ji)(ji)的軸。三者的區別(bie): (1)再(zai)生制(zhi)動(dong)(dong)(dong)(dong)必(bi)須在(zai)(zai)伺(si)服器(qi)正常工作時(shi)才起(qi)作用,在(zai)(zai)故(gu)障(zhang)、急(ji)停、電(dian)(dian)(dian)源斷(duan)(duan)電(dian)(dian)(dian)
    發布時(shi)間:2022-08-09 15:49 點擊次數:253 次
  • 交流伺服電機簡介 交(jiao)(jiao)流伺(si)服(fu)(fu)(fu)電(dian)(dian)(dian)機(ji)(ji)簡介交(jiao)(jiao)流伺(si)服(fu)(fu)(fu)電(dian)(dian)(dian)機(ji)(ji)定(ding)子(zi)(zi)的構造(zao)基本上(shang)與電(dian)(dian)(dian)容分相(xiang)式單相(xiang)異(yi)步電(dian)(dian)(dian)動(dong)機(ji)(ji)相(xiang)似.其(qi)定(ding)子(zi)(zi)上(shang)裝(zhuang)有兩(liang)個(ge)位(wei)置互差90°的繞(rao)組(zu),一個(ge)是勵磁繞(rao)組(zu)Rf,它始終接在交(jiao)(jiao)流電(dian)(dian)(dian)壓Uf上(shang);另一個(ge)是控(kong)制繞(rao)組(zu)L,聯接控(kong)制信號電(dian)(dian)(dian)壓Uc。所以交(jiao)(jiao)流伺(si)服(fu)(fu)(fu)電(dian)(dian)(dian)動(dong)機(ji)(ji)又稱兩(liang)個(ge)伺(si)服(fu)(fu)(fu)電(dian)(dian)(dian)動(dong)機(ji)(ji)。交(jiao)(jiao)流伺(si)服(fu)(fu)(fu)電(dian)(dian)(dian)機(ji)(ji)的轉(zhuan)(zhuan)子(zi)(zi)通常(chang)做(zuo)成鼠籠式,但為了使伺(si)服(fu)(fu)(fu)電(dian)(dian)(dian)動(dong)機(ji)(ji)具(ju)有較寬的調速范圍、線性的機(ji)(ji)械特(te)性,無“自轉(zhuan)(zhuan)”現象和快速響應的性能,它與普(pu)通電(dian)(dian)(dian)動(dong)機(ji)(ji)相(xiang)比(bi),應具(ju)有轉(zhuan)(zhuan)子(zi)(zi)電(dian)(dian)(dian)阻大和轉(zhuan)(zhuan)
    發布時間:2022-08-03 16:59 點擊(ji)次(ci)數:277 次(ci)
  •  直流伺服電機按電機慣量大小分類 直流(liu)伺服(fu)(fu)電(dian)(dian)機(ji)(ji)分為有刷(shua)(shua)(shua)和無(wu)刷(shua)(shua)(shua)電(dian)(dian)機(ji)(ji)。有刷(shua)(shua)(shua)直流(liu)伺服(fu)(fu)電(dian)(dian)機(ji)(ji)——電(dian)(dian)機(ji)(ji)成(cheng)本(ben)(ben)低,結構簡單,啟動轉(zhuan)矩大,調速(su)范(fan)圍(wei)(wei)寬(kuan),控制容(rong)(rong)易,需(xu)(xu)要維(wei)(wei)護(hu),但維(wei)(wei)護(hu)方(fang)(fang)便(換碳刷(shua)(shua)(shua)),會產生電(dian)(dian)磁干(gan)擾(rao),對環(huan)境有要求(qiu)。因此它可以(yi)用于對成(cheng)本(ben)(ben)敏(min)感的普通工業和民用場合(he)。 直流(liu)伺服(fu)(fu)電(dian)(dian)機(ji)(ji)特指直流(liu)有刷(shua)(shua)(shua)伺服(fu)(fu)電(dian)(dian)機(ji)(ji)——電(dian)(dian)機(ji)(ji)成(cheng)本(ben)(ben)低,結構簡單,啟動轉(zhuan)矩大,調速(su)范(fan)圍(wei)(wei)寬(kuan),控制容(rong)(rong)易,需(xu)(xu)要維(wei)(wei)護(hu),但維(wei)(wei)護(hu)方(fang)(fang)便(換碳刷(shua)(shua)(shua)),會產生電(dian)(dian)磁干(gan)擾(rao),對環(huan)境有要求(qiu)。因此它可以(yi)用于對成(cheng)本(ben)(ben)敏(min)
    發布時(shi)間(jian):2022-07-06 10:23 點擊次(ci)數:319 次(ci)
  • 伺服電機與單機異步電動機相比的特點描述  交流伺服(fu)電(dian)(dian)動(dong)機(ji)的(de)工作原(yuan)理與分(fen)相(xiang)式單(dan)相(xiang)異步電(dian)(dian)動(dong)機(ji)雖然相(xiang)似,但(dan)前者(zhe)的(de)轉(zhuan)(zhuan)(zhuan)子電(dian)(dian)阻比(bi)后者(zhe)大(da)得多(duo),所以(yi)伺服(fu)電(dian)(dian)機(ji)與單(dan)機(ji)異步電(dian)(dian)動(dong)機(ji)相(xiang)比(bi),有(you)(you)三個顯著(zhu)特(te)(te)(te)點:1、起動(dong)轉(zhuan)(zhuan)(zhuan)矩大(da) 由于轉(zhuan)(zhuan)(zhuan)子電(dian)(dian)阻大(da),與普(pu)通異步電(dian)(dian)動(dong)機(ji)的(de)轉(zhuan)(zhuan)(zhuan)矩特(te)(te)(te)性(xing)曲線相(xiang)比(bi),有(you)(you)明(ming)顯的(de)區別。它可使臨界(jie)轉(zhuan)(zhuan)(zhuan)差(cha)率S0>1,這樣不僅使轉(zhuan)(zhuan)(zhuan)矩特(te)(te)(te)性(xing)(機(ji)械特(te)(te)(te)性(xing))更接近于線性(xing),而且具(ju)有(you)(you)較大(da)的(de)起動(dong)轉(zhuan)(zhuan)(zhuan)矩。因(yin)此,當定子一有(you)(you)控制電(dian)(dian)壓,轉(zhuan)(zhuan)(zhuan)子立即(ji)(ji)轉(zhuan)(zhuan)(zhuan)動(dong),即(ji)(ji)具(ju)有(you)(you)起動(dong)快、靈敏度高的(de)特(te)(te)(te)點。2、運行范圍
    發布時間:2022-07-04 14:34 點擊次數:407 次
  • 交流伺服電機的產品優點介紹  交流(liu)伺服電機(ji)(ji)速(su)度(du)(du)控(kong)(kong)(kong)(kong)制(zhi)(zhi)特性(xing)(xing)(xing)良好,在(zai)整個速(su)度(du)(du)區(qu)(qu)內(nei)可實現(xian)平滑控(kong)(kong)(kong)(kong)制(zhi)(zhi),幾乎無振蕩,90%以上(shang)的高效率,發熱少(shao),高速(su)控(kong)(kong)(kong)(kong)制(zhi)(zhi),高**度(du)(du)位(wei)置控(kong)(kong)(kong)(kong)制(zhi)(zhi)(取(qu)決(jue)于編碼器精度(du)(du)),運行(xing)穩定(ding)、可控(kong)(kong)(kong)(kong)性(xing)(xing)(xing)好、響應快速(su)、靈敏(min)度(du)(du)高以及機(ji)(ji)械特性(xing)(xing)(xing)和調節(jie)特性(xing)(xing)(xing)的非線(xian)性(xing)(xing)(xing)度(du)(du)指標嚴格(ge)等(deng)特點。額定(ding)運行(xing)區(qu)(qu)域(yu)內(nei),可實現(xian)恒(heng)力(li)矩,慣量低,低噪音(yin),無電刷磨損,免維護(適用于無塵、易爆環(huan)境)。 交流(liu)伺服電機(ji)(ji)的結(jie)構與交流(liu)異(yi)步電機(ji)(ji)相似。在(zai)定(ding)子(zi)上(shang)有兩個相空間位(wei)移90°
    發布時間(jian):2022-04-08 11:51 點(dian)擊次數:455 次
  • 伺服電機允許的軸端負載及安裝注意事項 伺服(fu)電(dian)(dian)(dian)機(ji)允(yun)(yun)許(xu)的軸(zhou)(zhou)(zhou)(zhou)端負(fu)載(zai)(zai): A:確(que)保在安(an)(an)裝(zhuang)和運轉時加到(dao)伺服(fu)電(dian)(dian)(dian)機(ji)軸(zhou)(zhou)(zhou)(zhou)上的徑向(xiang)和軸(zhou)(zhou)(zhou)(zhou)向(xiang)負(fu)載(zai)(zai)控制在每(mei)種型號的規(gui)定值(zhi)以(yi)內。 B:在安(an)(an)裝(zhuang)一個剛(gang)性聯軸(zhou)(zhou)(zhou)(zhou)器(qi)時要格外小(xiao)心,特別是過(guo)度的彎曲(qu)負(fu)載(zai)(zai)可能導致軸(zhou)(zhou)(zhou)(zhou)端和軸(zhou)(zhou)(zhou)(zhou)承的損壞或磨損 C:用柔(rou)性聯軸(zhou)(zhou)(zhou)(zhou)器(qi),以(yi)便使徑向(xiang)負(fu)載(zai)(zai)低于允(yun)(yun)許(xu)值(zhi),此物是專為高機(ji)械(xie)強度的伺服(fu)電(dian)(dian)(dian)機(ji)設計的。 D:關于允(yun)(yun)許(xu)軸(zhou)(zhou)(zhou)(zhou)負(fu)載(zai)(zai),請參閱“允(yun)(yun)許(xu)的軸(zhou)(zhou)(zhou)(zhou)負(fu)荷表”(使用說明書)。伺服(fu)電(dian)(dian)(dian)機(ji)安(an)(an)裝(zhuang)注意: A:在安(an)(an)裝(zhuang)/拆卸耦合部件到(dao)
    發布(bu)時(shi)間:2022-03-02 13:59 點擊次(ci)(ci)數:720 次(ci)(ci)
  • 直流伺服電機特點的介紹  直流(liu)伺(si)(si)服(fu)電(dian)機轉動(dong)慣量小(xiao)、啟(qi)動(dong)電(dian)壓低(di)、空載電(dian)流(liu)小(xiao);棄(qi)接觸式換向(xiang)系統(tong),大大提(ti)高(gao)電(dian)機轉速(su)(su)(su),高(gao)轉速(su)(su)(su)高(gao)達100000rpm;無刷伺(si)(si)服(fu)電(dian)機在執(zhi)行(xing)伺(si)(si)服(fu)控制(zhi)時,無須(xu)編碼(ma)器(qi)也可實現速(su)(su)(su)度(du)、位置、扭矩(ju)等的控制(zhi);不(bu)存在電(dian)刷磨(mo)損情況,除轉速(su)(su)(su)高(gao)之外,還具有壽命長、噪音(yin)低(di)、無電(dian)磁干擾等特(te)點。直流(liu)有刷伺(si)(si)服(fu)電(dian)機特(te)點: 1.體積小(xiao)、動(dong)作快(kuai)反(fan)應快(kuai)、過載能力大、調速(su)(su)(su)范圍(wei)寬 2.低(di)速(su)(su)(su)力矩(ju)大,波動(dong)小(xiao),運行(xing)平穩 3.低(di)噪音(yin),高(gao)效(xiao)率
    發布時間(jian):2022-01-12 11:48 點擊次(ci)(ci)數(shu):513 次(ci)(ci)
  • 交流伺服電機的結構與控制情況   交(jiao)流(liu)(liu)伺服(fu)電(dian)機的(de)(de)結(jie)(jie)構(gou)主要可(ke)分為(wei)(wei)兩(liang)部(bu)分,即(ji)定(ding)(ding)子(zi)部(bu)分和轉(zhuan)子(zi)部(bu)分。其中(zhong)定(ding)(ding)子(zi)的(de)(de)結(jie)(jie)構(gou)與(yu)旋(xuan)轉(zhuan)變壓(ya)器(qi)的(de)(de)定(ding)(ding)子(zi)基本相同,在(zai)定(ding)(ding)子(zi)鐵(tie)心中(zhong)也安放(fang)著空間互成90度電(dian)角度的(de)(de)兩(liang)相繞(rao)(rao)(rao)組(zu)。其中(zhong)一組(zu)為(wei)(wei)激(ji)磁繞(rao)(rao)(rao)組(zu),另一組(zu)為(wei)(wei)控(kong)(kong)制(zhi)(zhi)繞(rao)(rao)(rao)組(zu),交(jiao)流(liu)(liu)伺服(fu)電(dian)動機是一種兩(liang)相的(de)(de)交(jiao)流(liu)(liu)電(dian)動機。交(jiao)流(liu)(liu)伺服(fu)電(dian)動機使用時,激(ji)磁繞(rao)(rao)(rao)組(zu)兩(liang)端施(shi)加(jia)(jia)恒定(ding)(ding)的(de)(de)激(ji)磁電(dian)壓(ya)Uf,控(kong)(kong)制(zhi)(zhi)繞(rao)(rao)(rao)組(zu)兩(liang)端施(shi)加(jia)(jia)控(kong)(kong)制(zhi)(zhi)電(dian)壓(ya)Uk。當定(ding)(ding)子(zi)繞(rao)(rao)(rao)組(zu)加(jia)(jia)上(shang)電(dian)壓(ya)后,伺服(fu)電(dian)動機很快就(jiu)會轉(zhuan)動起(qi)來。通(tong)入勵磁繞(rao)(rao)(rao)組(zu)及控(kong)(kong)制(zhi)(zhi)繞(rao)(rao)(rao)組(zu)的(de)(de)電(dian)流(liu)(liu)在(zai)
    發布時間:2022-01-06 10:43 點(dian)擊次(ci)(ci)數:405 次(ci)(ci)
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