恒邦自動化伺服驅動器的工作原理:
在轉(zhuan)子(zi)S極端也(ye)是同(tong)樣道理,當繞組齒(chi)對(dui)齒(chi)時,其旁(pang)邊(bian)一相磁極錯位1.8°。3 步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji)驅(qu)(qu)動(dong)器(qi)(qi)步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji)必(bi)須(xu)有(you)驅(qu)(qu)動(dong)器(qi)(qi)和(he)控(kong)制(zhi)器(qi)(qi)才(cai)能(neng)正(zheng)常工作。驅(qu)(qu)動(dong)器(qi)(qi)的作用(yong)是對(dui)控(kong)制(zhi)脈沖進(jin)行環形(xing)分配、功率放(fang)大(da),使步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji)繞組按一定順序通(tong)電(dian)(dian),控(kong)制(zhi)電(dian)(dian)機(ji)(ji)轉(zhuan)動(dong)。步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji) 42BYG250C的驅(qu)(qu)動(dong)器(qi)(qi)為(wei)SH20403。為(wei)10V~40V直流供電(dian)(dian), A+、A-、B+、B-端 子(zi)要連接(jie)(jie)步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji)的四條引線,DC+、DC-端子(zi)接(jie)(jie)驅(qu)(qu)動(dong)器(qi)(qi)工作直流電(dian)(dian)源(yuan)(yuan),輸(shu)入(ru)(ru)接(jie)(jie)口電(dian)(dian)路包括公共端(接(jie)(jie)輸(shu)入(ru)(ru)端子(zi)電(dian)(dian)源(yuan)(yuan)正(zheng)極)、脈沖信(xin)號(hao)輸(shu)入(ru)(ru)端(輸(shu)入(ru)(ru)一系列(lie)脈沖,內(nei)部分配以(yi)驅(qu)(qu)動(dong)步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji)A、B相)、方(fang)向信(xin)號(hao)輸(shu)入(ru)(ru)端(可實現步(bu)(bu)(bu)進(jin)電(dian)(dian)機(ji)(ji)的正(zheng)、反(fan)轉(zhuan))、脫機(ji)(ji)信(xin)號(hao)輸(shu)入(ru)(ru)端。
混合式步(bu)進(jin)電機分為兩相、三相和五相:兩相步進角一般為1.8度而五相步進角一般為 0.72度,混合式步進電機隨著相數(通電繞組數)的增加,步進角減小,精度提高,這種步進電機的應用最為廣泛。混合式步進電機綜合了反應式和永磁式步進電機兩者的優點:極對數等于轉子齒數,可以根據需要在很大范圍內變化;繞組電感隨
轉(zhuan)子位置變(bian)化(hua)較小,易(yi)于(yu)(yu)實現最佳運行(xing)控(kong)制;軸向充磁(ci)(ci)磁(ci)(ci)路,使用(yong)高(gao)磁(ci)(ci)能(neng)積(ji)的(de)新型永磁(ci)(ci)材料(liao),有(you)利于(yu)(yu)電機性能(neng)的(de)提高(gao);轉(zhuan)子磁(ci)(ci)鋼提供勵(li)磁(ci)(ci);在整個運行(xing)區域沒有(you)明(ming)顯(xian)的(de)振蕩。
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