*供應SIEMENS西門子電機 1.伺服系統(servomechanism)是使物體的位置、方位、狀態等輸出被控量能夠跟隨輸入目標(或給定值)的任意變化的自動控制系統。2.伺(si)服(fu)電(dian)(dian)機內部的(de)轉(zhuan)(zhuan)子是永(yong)磁鐵,驅動(dong)器(qi)控制的(de)U/V/W三(san)相電(dian)(dian)形成電(dian)(dian)磁場,轉(zhuan)(zhuan)子在此磁場的(de)作(zuo)用下轉(zhuan)(zhuan)動(dong),同時電(dian)(dian)機自帶的(de)編碼(ma)器(qi)反饋信(xin)號給驅動(dong)器(qi),驅動(dong)器(qi)根據(ju)反饋值(zhi)與(yu)目標值(zhi)進行比(bi)較,調整轉(zhuan)(zhuan)子轉(zhuan)(zhuan)動(dong)的(de)角度(du)。
*供應SIEMENS西門子電機
產品特點
1、起(qi)動(dong)轉(zhuan)(zhuan)(zhuan)矩大由(you)于轉(zhuan)(zhuan)(zhuan)子(zi)(zi)電(dian)阻(zu)大,與普通異步(bu)電(dian)動(dong)機的轉(zhuan)(zhuan)(zhuan)矩特性(xing)曲線(xian)2相(xiang)比,有明(ming)顯(xian)的區別。它可使(shi)臨界轉(zhuan)(zhuan)(zhuan)差率S0>1,這(zhe)樣(yang)不僅使(shi)轉(zhuan)(zhuan)(zhuan)矩特性(xing)(機械(xie)特性(xing))更接(jie)近于線(xian)性(xing),而且具(ju)(ju)有較大的起(qi)動(dong)轉(zhuan)(zhuan)(zhuan)矩。因此,當定子(zi)(zi)一有控制電(dian)壓,轉(zhuan)(zhuan)(zhuan)子(zi)(zi)立即轉(zhuan)(zhuan)(zhuan)動(dong),即具(ju)(ju)有起(qi)動(dong)快、靈敏度高的特點(dian)。
2、運行范圍較廣
3、無自轉(zhuan)(zhuan)(zhuan)現(xian)象正常運(yun)(yun)轉(zhuan)(zhuan)(zhuan)的(de)(de)(de)伺服(fu)電(dian)(dian)動機,只要失(shi)去(qu)(qu)控(kong)制(zhi)(zhi)電(dian)(dian)壓(ya),電(dian)(dian)機立即停(ting)止運(yun)(yun)轉(zhuan)(zhuan)(zhuan)。當(dang)伺服(fu)電(dian)(dian)動機失(shi)去(qu)(qu)控(kong)制(zhi)(zhi)電(dian)(dian)壓(ya)后,它處于單相運(yun)(yun)行狀態,由于轉(zhuan)(zhuan)(zhuan)子(zi)電(dian)(dian)阻(zu)大(da)(da),定子(zi)中兩(liang)個(ge)相反方向旋轉(zhuan)(zhuan)(zhuan)的(de)(de)(de)旋轉(zhuan)(zhuan)(zhuan)磁場與(yu)轉(zhuan)(zhuan)(zhuan)子(zi)作用(yong)所產生的(de)(de)(de)兩(liang)個(ge)轉(zhuan)(zhuan)(zhuan)矩(ju)特性(xing)(xing)(T1-S1、T2-S2曲(qu)線)以及合成轉(zhuan)(zhuan)(zhuan)矩(ju)特性(xing)(xing)(T-S曲(qu)線)交流伺服(fu)電(dian)(dian)動機的(de)(de)(de)輸出功率(lv)(lv)一般是(shi)0.1-100W。當(dang)電(dian)(dian)源頻(pin)率(lv)(lv)為(wei)50Hz,電(dian)(dian)壓(ya)有36V、110V、220、380V;當(dang)電(dian)(dian)源頻(pin)率(lv)(lv)為(wei)400Hz,電(dian)(dian)壓(ya)有20V、26V、36V、115V等多(duo)種。交流伺服(fu)電(dian)(dian)動機運(yun)(yun)行平穩(wen)、噪音小。但控(kong)制(zhi)(zhi)特性(xing)(xing)是(shi)非線性(xing)(xing),并且由于轉(zhuan)(zhuan)(zhuan)子(zi)電(dian)(dian)阻(zu)大(da)(da),損耗(hao)大(da)(da),效率(lv)(lv)低,因(yin)此與(yu)同容量直流伺服(fu)電(dian)(dian)動機相比,體積大(da)(da)、重(zhong)量重(zhong),所以只適用(yong)于0.5-100W的(de)(de)(de)小功率(lv)(lv)控(kong)制(zhi)(zhi)系統(tong)。
產品型號
SIEMENS(西門子)1FK7042-5AF71-1SG0
SIEMENS(西門子)1FK7063-5AF71-1DG5
SIEMENS(西門子)6SL3352-1AE38-4CA1 6SL3353-1AE41-2DA1
SIEMENS(西門子)1FK7105-2AC71-1RB1
SIEMENS(西門子)1FT6108-8SF71-1FG0-Z X01 停產
SIEMENS(西門子)1FT6134-6AC71-1AB0
SIEMENS(西門子)1FK7022-5AK71-1AG5
SIEMENS(西門子)1FT6084-8WF71-3EB0
SIEMENS(西門子)1PH8165-1MF03-2LA1
SIEMENS(西門子)1FK7083-5AF71-1UA3
SIEMENS(西門子)1FK7064-7AF71-1DG3-Z(V40)
SIEMENS(西門子)1FT6108-8AC71-1AH0
SIEMENS(西門子)1FT6084-8SH71-3SG1
SIEMENS(西(xi)門子(zi))1FT7064-5AF71-1DG0
*供應SIEMENS西門子電機