百格拉公司的三相混合式步進(jìn)電機采用交流伺服原理工作，運用特殊精密機械加工工藝，使步進(jìn)電機定子和轉(zhuǎn)子之間間隙僅為50um，轉(zhuǎn)子和定子的直徑比提高到59%，大大提高了電機工作扭矩，特別是高速時的工作扭矩。由于定子和轉(zhuǎn)子上磁槽數(shù)遠(yuǎn)多于五相和兩相混合式步進(jìn)電機，使三相混合式步進(jìn)電機可以按五相和兩相混合式步進(jìn)電機的步數(shù)進(jìn)行工作。電機的扭矩僅與轉(zhuǎn)速有關(guān)，而與電機每轉(zhuǎn)的步數(shù)無關(guān)，例如：2Nm電機在每轉(zhuǎn)500步和10000步，800轉(zhuǎn)/分時的扭矩都是1.75Nm。百格拉公司的步進(jìn)電機系統(tǒng)在低速時運行極其平穩(wěn)，幾乎無共振區(qū)，高速時扭矩大，運行特性類同交流伺服電機，被稱為具有交流伺服電機運行性能的步進(jìn)電機系統(tǒng)。 百格拉公司的步進(jìn)電機系統(tǒng)廣泛應(yīng)用于紡織機械、機床、包裝機械、印刷機械、搬運機械、醫(yī)療儀器、光學(xué)儀器、裝配機械等自動化控制設(shè)備中。 驅(qū)動器WD3-007采用交流伺服原理工作，它主要驅(qū)動百格拉公司2Nm～12Nm 三相混合式步進(jìn)電機，其輸入電源電壓可以是220VAC或110VAC，控制信號可以是5VDC或24VDC(定貨時要說明清楚)，驅(qū)動不同電機時要求驅(qū)動器WD3-007輸出不同的電流。 WD3-007的主要特點 1 交流伺服工作原理，交流伺服運行特性，三相正弦電流驅(qū)動輸出； 2 只要環(huán)境溫度不超過55℃，驅(qū)動器就可以正常工作； 3 電路板采取三防處理，有過熱、過壓、欠壓、電機相間短路和過流保護功能； 4 驅(qū)動器的輸入電源是110VAC或220VAC，變化范圍是：-30%～+20%； 5 電機和驅(qū)動器間僅用3根線，同交流異步電機一樣，減少連線出錯的可能性； 6 幾乎無共振和爬行，輸出相電流可設(shè)置，帶有十細(xì)分和半流功能特性，噪聲與交流伺服電機一樣； 7 比同樣尺寸的反應(yīng)式步進(jìn)電機所產(chǎn)生的功率大20%左右； 8 電機的扭矩與它的轉(zhuǎn)速有關(guān)，而與電機每轉(zhuǎn)的步數(shù)無關(guān)； 9 電機每轉(zhuǎn)步數(shù)可依用戶要求分別設(shè)定為500、1000、5000、10000步/轉(zhuǎn)； 10 由于驅(qū)動器采用了正弦電流驅(qū)動，使電機的空載啟動頻率高達(dá)4.3至5.3KHz； 11 電機上下電時，電機位置不變，停電后再上電位置不變，給工作帶來很大方便。 

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VRDM364LHA(雙軸)

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VRDM3910LHA雙軸)

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EXRDM3913

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