ABB電機M3BP450LA8
ABB電機(ji)M3BP450LA8
中海德(福建)工業設(she)備有限(xian)公(gong)(gong)司是一(yi)家(jia)為(wei)國(guo)內外廣大(da)用(yong)(yong)戶提供工(gong)(gong)業自動(dong)(dong)化產(chan)品的公(gong)(gong)司。多年(nian)來(lai)公(gong)(gong)司為(wei)鋼鐵廠(chang),水(shui)電(dian)(dian)(dian)廠(chang),紡織機(ji)(ji)(ji)(ji)械(xie),印(yin)刷包裝(zhuang)機(ji)(ji)(ji)(ji)械(xie),電(dian)(dian)(dian)子機(ji)(ji)(ji)(ji)械(xie),食品飲料機(ji)(ji)(ji)(ji)械(xie),制(zhi)藥(yao)機(ji)(ji)(ji)(ji)械(xie),機(ji)(ji)(ji)(ji)床(chuang),石油機(ji)(ji)(ji)(ji)械(xie),電(dian)(dian)(dian)梯和自動(dong)(dong)門,供暖和泵群(qun)控(kong)制(zhi),燃(ran)氣和電(dian)(dian)(dian)熱鍋(guo)爐,橡膠和注塑機(ji)(ji)(ji)(ji)械(xie),風(feng)電(dian)(dian)(dian),化工(gong)(gong),建材,冶(ye)金(jin)等行業用(yong)(yong)戶進行多種形式的技(ji)術(shu)(shu)合作和服(fu)務,為(wei)用(yong)(yong)戶節能(neng)增(zeng)效,改進技(ji)術(shu)(shu),提高綜合競爭力起(qi)到積極作用(yong)(yong)。針(zhen)對客(ke)戶不同(tong)的技(ji)術(shu)(shu)應(ying)用(yong)(yong)要求,實施(shi)(shi)可行,經濟的個性定(ding)制(zhi)控(kong)制(zhi)方案,為(wei)廣大(da)客(ke)戶朋友(you)提供電(dian)(dian)(dian)氣產(chan)品、輸(shu)配電(dian)(dian)(dian)設(she)備、再生能(neng)源設(she)備、電(dian)(dian)(dian)氣工(gong)(gong)程、工(gong)(gong)廠(chang)自動(dong)(dong)化及(ji)驅動(dong)(dong)系統解(jie)決方案。隨著(zhu)公(gong)(gong)司的發展(zhan),公(gong)(gong)司已擁有一(yi)大(da)批(pi)固定(ding)客(ke)戶,并成功實施(shi)(shi)了一(yi)大(da)批(pi)項目(mu)電(dian)(dian)(dian)氣配套工(gong)(gong)程。
中(zhong)海德(福建)工(gong)業設(she)備(bei)有限公司
聯系人:田小華
電話:0591-86290139微(wei)信同號
手機(ji):18050188551
qq: 2881506989
公(gong)司地(di)址:福州市高新區烏龍江大(da)道正榮財富中心SOHO3號樓8層中(zhong)海德公(gong)司
公司(si)官網:
步進(jin)電機選型
步(bu)(bu)進電(dian)機能(neng)將電(dian)脈沖(chong)信號轉(zhuan)變為(wei)角(jiao)位移或(huo)線位移。在(zai)額定功率范(fan)圍(wei)內,電(dian)機的轉(zhuan)速只取決于脈沖(chong)信號的頻率和脈沖(chong)數,而(er)不受負(fu)載(zai)變化的影響,加(jia)上步(bu)(bu)進電(dian)機累積(ji)誤差較(jiao)(jiao)小等特點(dian),使得(de)在(zai)速度、位置等領域用步(bu)(bu)進電(dian)機來控制變得(de)較(jiao)(jiao)為(wei)簡單(dan)。步(bu)(bu)進電(dian)機分三種,目前主要(yao)廣泛應用的是。選用步進電機時(shi),必須注意如下廠方參數。
廠(chang)房參數
1) 步距(ju)角: 收到一個步進脈(mo)沖,電(dian)機所轉(zhuan)動的(de)角度(du)。實際步距(ju)角和(he)驅動器的(de)細分數有關。一般(ban)步進電(dian)機的(de)精(jing)度(du)為步距(ju)角的(de)3-5%,不(bu)累(lei)積。
2) 相數(shu): 電機內部的線(xian)圈組(zu)數(shu)。相數(shu)不同(tong),步距(ju)角不同(tong)。如使用細分驅(qu)動器,則‘相數(shu)’沒有(you)意(yi)義:改變細分數(shu)就可改變步距(ju)角。
3) 保(bao)持(chi)(chi)轉(zhuan)(zhuan)矩(ju)(ju):亦稱為(wei)靜(jing)轉(zhuan)(zhuan)矩(ju)(ju)。指額定電(dian)流下(xia)轉(zhuan)(zhuan)速為(wei)零時,外力(li)(li)迫(po)使轉(zhuan)(zhuan)子(zi)轉(zhuan)(zhuan)動(dong)(dong)所需的(de)(de)力(li)(li)矩(ju)(ju)。保(bao)持(chi)(chi)轉(zhuan)(zhuan)矩(ju)(ju)與(yu)驅(qu)動(dong)(dong)電(dian)壓及驅(qu)動(dong)(dong)電(dian)源等無關(guan)。步進(jin)電(dian)機(ji)在低速時的(de)(de)力(li)(li)矩(ju)(ju)接(jie)近保(bao)持(chi)(chi)轉(zhuan)(zhuan)矩(ju)(ju)。由于步進(jin)電(dian)機(ji)的(de)(de)輸出力(li)(li)矩(ju)(ju)和功率隨速度增(zeng)大而不斷(duan)變化,所以保(bao)持(chi)(chi)轉(zhuan)(zhuan)矩(ju)(ju)是衡量步進(jin)電(dian)機(ji)的(de)(de)參數(shu)之一。雖然(ran)保(bao)持(chi)(chi)轉(zhuan)(zhuan)矩(ju)(ju)與(yu)電(dian)磁(ci)激磁(ci)安匝數(shu)成(cheng)正比,與(yu)定齒轉(zhuan)(zhuan)子(zi)間的(de)(de)氣(qi)隙(xi)有(you)關(guan)。但過份采用減(jian)小氣(qi)隙(xi),增(zeng)加激磁(ci)安匝來提(ti)高靜(jing)力(li)(li)矩(ju)(ju)是不可(ke)取(qu)的(de)(de),這樣會造成(cheng)電(dian)機(ji)的(de)(de)發熱及機(ji)械噪音(yin)。
保持轉矩的選型確(que)定:
步進電機的(de)(de)(de)動(dong)態力(li)矩(ju)(ju)一(yi)下(xia)子很難確定(ding),往(wang)往(wang)先確定(ding)電機的(de)(de)(de)靜力(li)矩(ju)(ju)。靜力(li)矩(ju)(ju)選擇的(de)(de)(de)依據是(shi)電機工作的(de)(de)(de)負(fu)(fu)載(zai)(zai),而(er)負(fu)(fu)載(zai)(zai)可分(fen)為(wei)慣(guan)性負(fu)(fu)載(zai)(zai)和摩擦負(fu)(fu)載(zai)(zai)二種。單一(yi)的(de)(de)(de)慣(guan)性負(fu)(fu)載(zai)(zai)和單一(yi)的(de)(de)(de)摩擦負(fu)(fu)載(zai)(zai)是(shi)不存在(zai)的(de)(de)(de)。階越(突然)起動(dong)時(一(yi)般(ban)由(you)低速)時二種負(fu)(fu)載(zai)(zai)均要(yao)(yao)考(kao)慮,加速(斜坡(po))起動(dong)時主要(yao)(yao)考(kao)慮慣(guan)性負(fu)(fu)載(zai)(zai),恒速運(yun)行進只要(yao)(yao)考(kao)慮摩擦負(fu)(fu)載(zai)(zai)。一(yi)般(ban)情(qing)況下(xia),保持轉矩(ju)(ju)應為(wei)摩擦負(fu)(fu)載(zai)(zai)的(de)(de)(de)2-3倍(bei)內好,保持轉矩一旦選(xuan)定,電機的機座及長(chang)度便能確定下來(lai)。
4) 額定(ding)相(xiang)電流(liu):指電機(ji)實(shi)現各項(xiang)額定(ding)廠方參(can)數時的每(mei)相(xiang)(每(mei)個(ge)線圈)電流(liu)。實(shi)驗證明(ming)高于(yu)和低于(yu)該電流(liu)均可造成電機(ji)工(gong)作時某些指標超標而同時另一(yi)些指標不達標。
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