ABB電機M3BP450LA8
ABB電(dian)機M3BP450LA8
中海(hai)德(福建)工業設備有(you)限公(gong)(gong)司是一家為(wei)(wei)(wei)(wei)國內外廣(guang)大用戶(hu)(hu)提供(gong)工業自(zi)動(dong)化(hua)產品(pin)的(de)公(gong)(gong)司。多年來(lai)公(gong)(gong)司為(wei)(wei)(wei)(wei)鋼鐵廠(chang)(chang),水(shui)電(dian)(dian)(dian)(dian)廠(chang)(chang),紡織機(ji)械(xie)(xie)(xie),印刷包裝機(ji)械(xie)(xie)(xie),電(dian)(dian)(dian)(dian)子機(ji)械(xie)(xie)(xie),食品(pin)飲料機(ji)械(xie)(xie)(xie),制藥機(ji)械(xie)(xie)(xie),機(ji)床,石(shi)油機(ji)械(xie)(xie)(xie),電(dian)(dian)(dian)(dian)梯和(he)自(zi)動(dong)門,供(gong)暖和(he)泵群控(kong)制,燃氣(qi)(qi)和(he)電(dian)(dian)(dian)(dian)熱鍋(guo)爐,橡膠和(he)注塑機(ji)械(xie)(xie)(xie),風電(dian)(dian)(dian)(dian),化(hua)工,建(jian)材(cai),冶金等行(xing)(xing)業用戶(hu)(hu)進行(xing)(xing)多種形式的(de)技(ji)術(shu)合作(zuo)和(he)服務,為(wei)(wei)(wei)(wei)用戶(hu)(hu)節能增效,改進技(ji)術(shu),提高(gao)綜合競(jing)爭力起到積(ji)極作(zuo)用。針對(dui)客(ke)戶(hu)(hu)不同的(de)技(ji)術(shu)應用要求,實施可行(xing)(xing),經(jing)濟的(de)個性(xing)定制控(kong)制方案,為(wei)(wei)(wei)(wei)廣(guang)大客(ke)戶(hu)(hu)朋(peng)友提供(gong)電(dian)(dian)(dian)(dian)氣(qi)(qi)產品(pin)、輸配(pei)電(dian)(dian)(dian)(dian)設(she)備、再(zai)生能源(yuan)設(she)備、電(dian)(dian)(dian)(dian)氣(qi)(qi)工程(cheng)、工廠(chang)(chang)自(zi)動(dong)化(hua)及驅動(dong)系統解決方案。隨著公(gong)(gong)司的(de)發(fa)展(zhan),公(gong)(gong)司已(yi)擁有(you)一大批固定客(ke)戶(hu)(hu),并(bing)成功(gong)實施了一大批項目電(dian)(dian)(dian)(dian)氣(qi)(qi)配(pei)套工程(cheng)。
中海德(福(fu)建)工業設備有(you)限公司
聯系人(ren):田(tian)小華(hua)
電話:0591-86290139微(wei)信同號
手(shou)機:18050188551
qq: 2881506989
公司地址:福州市高新區烏龍江大道正榮財富中心SOHO3號樓8層中海德(de)公(gong)司
公司官網:
步進電(dian)機選型
步進電(dian)(dian)機(ji)能(neng)將(jiang)電(dian)(dian)脈沖信(xin)號轉變為角(jiao)位(wei)移或線位(wei)移。在額定功率范圍內,電(dian)(dian)機(ji)的(de)(de)轉速(su)只取決于(yu)脈沖信(xin)號的(de)(de)頻率和脈沖數,而不受(shou)負載(zai)變化的(de)(de)影響,加上步進電(dian)(dian)機(ji)累(lei)積誤差較小等特點,使得在速(su)度、位(wei)置等領域用步進電(dian)(dian)機(ji)來控(kong)制變得較為簡單。步進電(dian)(dian)機(ji)分三(san)種,目前主(zhu)要廣泛(fan)應(ying)用的(de)(de)是。選用步進電機時,必(bi)須注意如(ru)下廠方(fang)參數。
廠(chang)房參數
1) 步(bu)(bu)距(ju)角(jiao)(jiao): 收到一(yi)個步(bu)(bu)進脈沖,電機所轉(zhuan)動(dong)的角(jiao)(jiao)度(du)。實際步(bu)(bu)距(ju)角(jiao)(jiao)和(he)驅動(dong)器的細分數有關。一(yi)般步(bu)(bu)進電機的精度(du)為步(bu)(bu)距(ju)角(jiao)(jiao)的3-5%,不累積。
2) 相(xiang)(xiang)數(shu): 電(dian)機(ji)內部的線圈組(zu)數(shu)。相(xiang)(xiang)數(shu)不同,步距(ju)角不同。如使用細分(fen)驅動器(qi),則(ze)‘相(xiang)(xiang)數(shu)’沒有意義:改變細分(fen)數(shu)就可改變步距(ju)角。
3) 保(bao)持(chi)(chi)轉(zhuan)(zhuan)(zhuan)矩(ju)(ju):亦稱為(wei)靜轉(zhuan)(zhuan)(zhuan)矩(ju)(ju)。指額定電(dian)流下轉(zhuan)(zhuan)(zhuan)速為(wei)零時,外力迫使轉(zhuan)(zhuan)(zhuan)子(zi)轉(zhuan)(zhuan)(zhuan)動(dong)所(suo)(suo)需的(de)(de)力矩(ju)(ju)。保(bao)持(chi)(chi)轉(zhuan)(zhuan)(zhuan)矩(ju)(ju)與驅動(dong)電(dian)壓及(ji)驅動(dong)電(dian)源等(deng)無關(guan)。步(bu)進(jin)電(dian)機(ji)在低(di)速時的(de)(de)力矩(ju)(ju)接近保(bao)持(chi)(chi)轉(zhuan)(zhuan)(zhuan)矩(ju)(ju)。由于步(bu)進(jin)電(dian)機(ji)的(de)(de)輸出力矩(ju)(ju)和功率(lv)隨速度增(zeng)大而不斷變(bian)化(hua),所(suo)(suo)以(yi)保(bao)持(chi)(chi)轉(zhuan)(zhuan)(zhuan)矩(ju)(ju)是(shi)衡量(liang)步(bu)進(jin)電(dian)機(ji)的(de)(de)參數(shu)之一。雖然保(bao)持(chi)(chi)轉(zhuan)(zhuan)(zhuan)矩(ju)(ju)與電(dian)磁(ci)激(ji)磁(ci)安匝數(shu)成(cheng)(cheng)正比(bi),與定齒(chi)轉(zhuan)(zhuan)(zhuan)子(zi)間的(de)(de)氣隙有關(guan)。但過份采(cai)用減小氣隙,增(zeng)加激(ji)磁(ci)安匝來(lai)提(ti)高(gao)靜力矩(ju)(ju)是(shi)不可(ke)取的(de)(de),這樣會造(zao)成(cheng)(cheng)電(dian)機(ji)的(de)(de)發(fa)熱及(ji)機(ji)械噪音。
保(bao)持(chi)轉矩的選型確(que)定:
步進電機(ji)(ji)的動態力矩(ju)一(yi)下子很難確定,往(wang)往(wang)先確定電機(ji)(ji)的靜(jing)力矩(ju)。靜(jing)力矩(ju)選擇的依據是(shi)電機(ji)(ji)工作的負(fu)載(zai),而負(fu)載(zai)可分為慣(guan)(guan)性負(fu)載(zai)和(he)摩(mo)擦(ca)負(fu)載(zai)二種。單一(yi)的慣(guan)(guan)性負(fu)載(zai)和(he)單一(yi)的摩(mo)擦(ca)負(fu)載(zai)是(shi)不存在的。階越(突然)起動時(一(yi)般(ban)由低速)時二種負(fu)載(zai)均要(yao)考慮(lv)(lv),加速(斜坡)起動時主要(yao)考慮(lv)(lv)慣(guan)(guan)性負(fu)載(zai),恒速運行(xing)進只(zhi)要(yao)考慮(lv)(lv)摩(mo)擦(ca)負(fu)載(zai)。一(yi)般(ban)情(qing)況下,保持轉矩(ju)應為摩(mo)擦(ca)負(fu)載(zai)的2-3倍(bei)內好,保持轉矩一旦(dan)選定,電機的機座及長度便能(neng)確定下來。
4) 額(e)(e)定(ding)(ding)相電流(liu):指(zhi)電機(ji)實(shi)現各項額(e)(e)定(ding)(ding)廠方參數時(shi)的每相(每個線圈(quan))電流(liu)。實(shi)驗證明高于和低(di)于該電流(liu)均可造成電機(ji)工作時(shi)某(mou)些指(zhi)標超(chao)標而同時(shi)另一些指(zhi)標不達標。
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