什么是減速步進電機?
什么是減速步進電機?減速步進電機是一種運用廣泛的減速設備,下面將詳細介紹步進電機、減速器、減速步進電機概論,與結構組成。
步(bu)進電(dian)(dian)機是(shi)一(yi)(yi)種感應電(dian)(dian)機,它的(de)(de)(de)(de)(de)工作原(yuan)理是(shi)利用(yong)電(dian)(dian)子電(dian)(dian)路,將(jiang)直(zhi)流(liu)(liu)電(dian)(dian)變(bian)成分(fen)時供(gong)電(dian)(dian)的(de)(de)(de)(de)(de),多(duo)相時序(xu)(xu)控(kong)(kong)制電(dian)(dian)流(liu)(liu),用(yong)這(zhe)種電(dian)(dian)流(liu)(liu)為(wei)(wei)(wei)步(bu)進電(dian)(dian)機供(gong)電(dian)(dian),步(bu)進電(dian)(dian)機才能正常(chang)工作,驅(qu)動(dong)器就是(shi)為(wei)(wei)(wei)步(bu)進電(dian)(dian)機分(fen)時供(gong)電(dian)(dian)的(de)(de)(de)(de)(de),多(duo)相時序(xu)(xu)控(kong)(kong)制器。步(bu)進電(dian)(dian)機是(shi)將(jiang)電(dian)(dian)脈(mo)(mo)沖信(xin)號轉(zhuan)(zhuan)變(bian)為(wei)(wei)(wei)角位移或線位移的(de)(de)(de)(de)(de)開環(huan)控(kong)(kong)制電(dian)(dian)機,是(shi)現代數字程序(xu)(xu)控(kong)(kong)制系統中的(de)(de)(de)(de)(de)主要執行元(yuan)件,應用(yong)極(ji)為(wei)(wei)(wei)廣泛。在(zai)非(fei)超載(zai)的(de)(de)(de)(de)(de)情況下,電(dian)(dian)機的(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速、停(ting)止的(de)(de)(de)(de)(de)位置只取(qu)決于脈(mo)(mo)沖信(xin)號的(de)(de)(de)(de)(de)頻率(lv)和(he)脈(mo)(mo)沖數,而不受負載(zai)變(bian)化的(de)(de)(de)(de)(de)影響,當(dang)步(bu)進驅(qu)動(dong)器接收(shou)到一(yi)(yi)個脈(mo)(mo)沖信(xin)號,它就驅(qu)動(dong)步(bu)進電(dian)(dian)機按設定的(de)(de)(de)(de)(de)方向轉(zhuan)(zhuan)動(dong)一(yi)(yi)個固定的(de)(de)(de)(de)(de)角度(du),稱為(wei)(wei)(wei)“步(bu)距角”,它的(de)(de)(de)(de)(de)旋轉(zhuan)(zhuan)是(shi)以固定的(de)(de)(de)(de)(de)角度(du)一(yi)(yi)步(bu)一(yi)(yi)步(bu)運(yun)行的(de)(de)(de)(de)(de)。
減(jian)(jian)速(su)(su)(su)(su)器是一種(zhong)由封(feng)閉(bi)在(zai)剛性殼體內的(de)(de)(de)(de)齒(chi)(chi)輪(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)、蝸(gua)桿傳(chuan)(chuan)(chuan)(chuan)動(dong)、齒(chi)(chi)輪(lun)-蝸(gua)桿傳(chuan)(chuan)(chuan)(chuan)動(dong)所組成的(de)(de)(de)(de)獨立部件(jian),常用(yong)作(zuo)原動(dong)件(jian)與工作(zuo)機(ji)之間(jian)(jian)的(de)(de)(de)(de)減(jian)(jian)速(su)(su)(su)(su)傳(chuan)(chuan)(chuan)(chuan)動(dong)裝置 。在(zai)原動(dong)機(ji)和(he)工作(zuo)機(ji)或執(zhi)行機(ji)構之間(jian)(jian)起匹配(pei)轉(zhuan)速(su)(su)(su)(su)和(he)傳(chuan)(chuan)(chuan)(chuan)遞轉(zhuan)矩的(de)(de)(de)(de)作(zuo)用(yong),在(zai)現(xian)代機(ji)械中應(ying)用(yong)極為廣(guang)泛。一般用(yong)于低轉(zhuan)速(su)(su)(su)(su)大扭矩的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)設(she)(she)備,把(ba)電(dian)(dian)(dian)(dian)動(dong)機(ji)、內燃機(ji)或其它高(gao)速(su)(su)(su)(su)運轉(zhuan)的(de)(de)(de)(de)動(dong)力通(tong)過減(jian)(jian)速(su)(su)(su)(su)機(ji)的(de)(de)(de)(de)輸(shu)入軸(zhou)上的(de)(de)(de)(de)齒(chi)(chi)數少的(de)(de)(de)(de)齒(chi)(chi)輪(lun)嚙(nie)合輸(shu)出軸(zhou)上的(de)(de)(de)(de)大齒(chi)(chi)輪(lun)來(lai)達(da)到減(jian)(jian)速(su)(su)(su)(su)的(de)(de)(de)(de)目的(de)(de)(de)(de),普通(tong)的(de)(de)(de)(de)減(jian)(jian)速(su)(su)(su)(su)機(ji)也會(hui)有(you)幾對相同原理齒(chi)(chi)輪(lun)達(da)到理想的(de)(de)(de)(de)減(jian)(jian)速(su)(su)(su)(su)效果,大小齒(chi)(chi)輪(lun)的(de)(de)(de)(de)齒(chi)(chi)數之比,就是傳(chuan)(chuan)(chuan)(chuan)動(dong)比。減(jian)(jian)速(su)(su)(su)(su)器的(de)(de)(de)(de)驅動(dong)源(yuan)可以采用(yong)直流電(dian)(dian)(dian)(dian)機(ji)、步(bu)進電(dian)(dian)(dian)(dian)機(ji)、空(kong)心杯電(dian)(dian)(dian)(dian)機(ji)、微型馬達(da)使用(yong),這種(zhong)減(jian)(jian)速(su)(su)(su)(su)設(she)(she)備也稱(cheng)為直流減(jian)(jian)速(su)(su)(su)(su)電(dian)(dian)(dian)(dian)機(ji)、步(bu)進減(jian)(jian)速(su)(su)(su)(su)電(dian)(dian)(dian)(dian)機(ji)、空(kong)心杯減(jian)(jian)速(su)(su)(su)(su)電(dian)(dian)(dian)(dian)機(ji)、微型減(jian)(jian)速(su)(su)(su)(su)馬達(da)等傳(chuan)(chuan)(chuan)(chuan)動(dong)減(jian)(jian)速(su)(su)(su)(su)設(she)(she)備。
減速(su)(su)(su)步(bu)進電(dian)(dian)機(ji)(ji)是由減速(su)(su)(su)器(qi)(齒輪(lun)箱)+電(dian)(dian)機(ji)(ji)組成而成,電(dian)(dian)機(ji)(ji)能夠供給相(xiang)當大(da)(da)的(de)打高速(su)(su)(su)轉(zhuan)(zhuan)速(su)(su)(su),但力(li)(li)矩(ju)(ju)很小,發(fa)生(sheng)的(de)運動慣性(xing)相(xiang)當大(da)(da);減速(su)(su)(su)器(qi)的(de)功用(yong)就是用(yong)來操控下降轉(zhuan)(zhuan)速(su)(su)(su)、提升扭矩(ju)(ju),下降運動發(fa)生(sheng)的(de)慣性(xing),已到達抱負(fu)的(de)轉(zhuan)(zhuan)速(su)(su)(su)和力(li)(li)矩(ju)(ju);比(bi)如稀有(you)的(de)有(you)電(dian)(dian)動窗布、電(dian)(dian)動卷閘(zha)門(men),都(dou)采用(yong)了減速(su)(su)(su)電(dian)(dian)機(ji)(ji),轉(zhuan)(zhuan)速(su)(su)(su)慢、力(li)(li)矩(ju)(ju)大(da)(da)。
簡略(lve)來說步(bu)(bu)進(jin)(jin)電(dian)(dian)(dian)機(ji)(ji)是(shi)(shi)能(neng)(neng)(neng)夠(gou)做到(dao)定(ding)(ding)長定(ding)(ding)速的操控(kong),就比(bi)如說,作業臺走1米,電(dian)(dian)(dian)機(ji)(ji)的轉(zhuan)速是(shi)(shi)能(neng)(neng)(neng)夠(gou)自由設(she)定(ding)(ding)的,稀有的應用事例有,比(bi)如像是(shi)(shi)銑床的作業臺上的步(bu)(bu)進(jin)(jin)電(dian)(dian)(dian)機(ji)(ji)。兩者之間的區(qu)別是(shi)(shi)步(bu)(bu)進(jin)(jin)電(dian)(dian)(dian)機(ji)(ji)是(shi)(shi)能(neng)(neng)(neng)夠(gou)做到(dao)定(ding)(ding)速、守時(想走多(duo)長、轉(zhuan)多(duo)快(kuai)都(dou)能(neng)(neng)(neng)夠(gou)設(she)定(ding)(ding))但是(shi)(shi)減速步(bu)(bu)進(jin)(jin)電(dian)(dian)(dian)機(ji)(ji)的轉(zhuan)速是(shi)(shi)由減速比(bi)來決(jue)議的不能(neng)(neng)(neng)調理(li)滾(gun)動速度的快(kuai)慢;但步(bu)(bu)進(jin)(jin)電(dian)(dian)(dian)機(ji)(ji)力(li)矩小(xiao),減速電(dian)(dian)(dian)機(ji)(ji)滾(gun)動力(li)矩大。