SIEMENS伺服電機的3RW30282BB143RW30361BB043RW30361BB143RW30362BB043RW30362BB143RW30371BB043RW30371BB143RW30372BB043RW30372BB143RW30381BB04
SIEMENS伺服電機的
產品詳情
SIMOTICS S-1FL6工(gong)作電壓(ya)3AC 400 V Pn = 0.75 kW; Nn = 3000rpm M0 = 3.5Nm; MN = 2.39 Nm軸(zhou)高(gao)45 mm,帶角塞; 值編碼器20位(wei)(12位(wei)多圈),帶滑鍵,公差N,帶抱閘(zha)制動防護等IP65,帶密封圈,與(yu)變頻器SINAMICS V70和(he)V90兼(jian)容
西門子的伺服電機
、低(di)(di)頻(pin)特性不同 步進(jin)電(dian)(dian)機在低(di)(di)速(su)時易出現(xian)低(di)(di)頻(pin)振動(dong)(dong)現(xian)象(xiang)。振動(dong)(dong)頻(pin)率與負載情況和驅動(dong)(dong)器(qi)有關,般(ban)認(ren)為振動(dong)(dong)頻(pin)率為電(dian)(dian)機空載起跳頻(pin)率的半。這(zhe)種由步進(jin)電(dian)(dian)機的工作原(yuan)理(li)所決定(ding)的低(di)(di)頻(pin)振動(dong)(dong)現(xian)象(xiang)對于(yu)機器(qi)的正常運(yun)轉非(fei)(fei)常不利。當(dang)步進(jin)電(dian)(dian)機工作在低(di)(di)速(su)時,般(ban)應(ying)采用(yong)阻(zu)尼技術來(lai)克服(fu)低(di)(di)頻(pin)振動(dong)(dong)現(xian)象(xiang),比(bi)如在電(dian)(dian)機上(shang)加阻(zu)尼器(qi),或驅動(dong)(dong)器(qi)上(shang)采用(yong)細(xi)分技術等。 交(jiao)流伺(si)服(fu)電(dian)(dian)機運(yun)轉非(fei)(fei)常平穩,即使在低(di)(di)速(su)時也不會出現(xian)振動(dong)(dong)現(xian)象(xiang)。交(jiao)流伺(si)服(fu)系(xi)統具有共(gong)振抑制(zhi)功能(neng)(neng),可涵(han)蓋(gai)機械(xie)的剛性不足,并(bing)且系(xi)統內部具有頻(pin)率解析機能(neng)(neng)(FFT),可檢(jian)測出機械(xie)的共(gong)振點,便于(yu)系(xi)統調(diao)整。
矩頻特性不(bu)同 步進(jin)電機的輸出(chu)力矩隨轉速升(sheng)高(gao)而下降(jiang),且在(zai)較高(gao)轉速時會急劇下降(jiang),所以(yi)(yi)其(qi)zui高(gao)工作轉速般(ban)在(zai)300~600RPM。交流伺服電機為恒(heng)力矩輸出(chu),即在(zai)其(qi)額(e)定(ding)轉速(般(ban)為2000RPM或3000RPM)以(yi)(yi)內,都能輸出(chu)額(e)定(ding)轉矩,在(zai)額(e)定(ding)轉速以(yi)(yi)上為恒(heng)功率輸出(chu)。
SIEMENS伺服電機的