一、步進電機的使用壽命有多久
步進電機特點(dian)是體積小(xiao),壽(shou)命(ming)長,步進(jin)電(dian)機的使(shi)用壽(shou)命(ming)通常(chang)取決于(yu)軸承(cheng)壽(shou)命(ming),質量合格的步進(jin)電(dian)機可達上萬至數萬小(xiao)時。
步進電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)使(shi)(shi)用(yong)(yong)壽(shou)命還(huan)與應(ying)用(yong)(yong)環境、供(gong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓、負(fu)載還(huan)有(you)一定關系,比如(ru)電(dian)(dian)(dian)腦雕(diao)刻(ke)機(ji)(ji)(ji)給步進電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)供(gong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓較(jiao)高(gao),電(dian)(dian)(dian)流較(jiao)大,運行速(su)度高(gao),負(fu)載大,因此(ci)電(dian)(dian)(dian)腦雕(diao)刻(ke)機(ji)(ji)(ji)上(shang)使(shi)(shi)用(yong)(yong)的(de)(de)步進電(dian)(dian)(dian)機(ji)(ji)(ji)使(shi)(shi)用(yong)(yong)壽(shou)命往(wang)往(wang)在兩萬個(ge)小時以內(nei),除(chu)了軸(zhou)承損耗(hao),還(huan)有(you)電(dian)(dian)(dian)機(ji)(ji)(ji)溫度高(gao)導致的(de)(de)磁衰減和線圈老化等問題。另(ling)外有(you)的(de)(de)步進電(dian)(dian)(dian)機(ji)(ji)(ji)應(ying)用(yong)(yong)環境溫度高(gao),或者(zhe)有(you)油(you)污、粉(fen)塵、水等污染,也會縮短(duan)使(shi)(shi)用(yong)(yong)壽(shou)命。
二、步進電機怎么保養
1、步進電機應(ying)存放、安裝在環境溫度為-40~+50℃、相對濕度不大于95%的(de)清潔通風良好(hao)的(de)環境內,空氣中不得(de)含有腐蝕性、易燃性氣體(ti)、油霧(wu)、粉塵。步進電(dian)機在搬運過(guo)程(cheng)中應小(xiao)心輕(qing)放,避免碰撞和沖擊,嚴禁(jin)與(yu)酸堿等腐蝕性物(wu)質放在一(yi)起。
2、步(bu)(bu)進電(dian)機的安裝環境(jing)要(yao)求同存放環境(jing)要(yao)求,另外步(bu)(bu)進電(dian)機長時間接(jie)觸(chu)滲透(tou)力很(hen)強的液(ye)態(tai)物質,會導致運行異(yi)常或壽命縮(suo)短。應盡(jin)量避免接(jie)觸(chu),更不(bu)能將其浸泡在液(ye)態(tai)物質里(li)。
3、步進電(dian)機(ji)(ji)(ji)運行(xing)時,要防止人(ren)體及(ji)(ji)外(wai)來物質觸及(ji)(ji)步進電(dian)機(ji)(ji)(ji)內部的電(dian)氣、機(ji)(ji)(ji)械的危險(xian)性部件,保證人(ren)的安(an)全和步進電(dian)機(ji)(ji)(ji)的正(zheng)常(chang)工作。
4、當步進(jin)電(dian)(dian)機使用(yong)(yong)一段(duan)時間后,表面會(hui)有(you)一些(xie)灰塵(chen)存在(zai),灰塵(chen)太多會(hui)影響電(dian)(dian)機的(de)美觀性和電(dian)(dian)機的(de)散(san)熱。因此要及時清(qing)除灰塵(chen),保證(zheng)步進(jin)電(dian)(dian)機恢(hui)復到干凈、美觀的(de)狀態(tai)。步進(jin)電(dian)(dian)機在(zai)做清(qing)潔時,要關閉設備電(dian)(dian)源,不能(neng)用(yong)(yong)腐蝕性的(de)有(you)機溶劑清(qing)潔。
5、如果步進電機在(zai)運行(xing)中,出(chu)現各(ge)種異響,那么(me)需要(yao)立刻停機檢查(cha),檢查(cha)內容包(bao)括但不限(xian)于:聯軸器(qi)是(shi)(shi)(shi)否松(song)動(dong),皮帶(dai)輪(lun)是(shi)(shi)(shi)否松(song)動(dong),各(ge)個緊固螺絲是(shi)(shi)(shi)否松(song)動(dong),滑塊、滑軌是(shi)(shi)(shi)否異常(chang)、各(ge)定位感應器(qi)是(shi)(shi)(shi)異常(chang)、線路連接是(shi)(shi)(shi)否有異常(chang)等。若發現異常(chang),應及時處理,等處理好后再恢復設備正常(chang)運行(xing)。
6、步進電機在運行的時候,要檢查溫度是否合適,一般手觸步進電機外殼不會(hui)感(gan)到十分燙(tang)手(shou)即(ji)可(ke)。如機體溫度超過130°,步進電機會(hui)損(sun)壞,應及時(shi)檢查、處理(li)。
7、設置驅動電(dian)流時,請勿使輸入(ru)電(dian)流大于步進電(dian)機的額定電(dian)流。
8、如(ru)果(guo)設(she)備沒有特(te)殊(shu)要(yao)求,請(qing)選擇半電(dian)(dian)流鎖定。有的(de)步(bu)進(jin)電(dian)(dian)機驅動器有靜(jing)(jing)態電(dian)(dian)流選項或默認的(de)靜(jing)(jing)態半電(dian)(dian)流,以減少步(bu)進(jin)電(dian)(dian)機的(de)發熱。