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蘇州現貨GRANCH電機C05-43B0
蘇州現貨GRANCH電機C05-43B0
電(dian)動(dong)執(zhi)行器的結構(gou)原(yuan)理
1、電動(dong)執行機構接收控制(zhi)系統發出的開(kai)關信(xin)號(hao)后,電機不轉并有嗡嗡聲。其原因可(ke)能是:
1)電動執行(xing)(xing)機構減(jian)速器的(de)行(xing)(xing)星(xing)齒輪部分卡(ka)澀、損壞(huai)或(huo)變形(xing);
2)電動執(zhi)行機構(gou)減速器的斜齒輪傳動部分變形或(huo)過度(du)磨損(sun)或(huo)損(sun)壞(huai);
3)電動(dong)執行(xing)機(ji)構減速器的渦輪渦桿或絲桿螺母傳(chuan)動(dong)部分變形損壞、卡澀等;
4)電動執(zhi)行機(ji)構整體機(ji)械部分配合不好,不靈(ling)活(huo),需調整加油(you)。
2 電動執行(xing)器電氣部分故障結構原理
1)電(dian)(dian)(dian)動(dong)執(zhi)行(xing)機(ji)構接受控(kong)制(zhi)系統發(fa)出(chu)的(de)(de)開(kai)、關信號(hao)后,電(dian)(dian)(dian)機(ji)不轉(zhuan),也無嗡(weng)嗡(weng)聲。可能原因是(shi):沒有交流電(dian)(dian)(dian)源或電(dian)(dian)(dian)源不能加(jia)到(dao)電(dian)(dian)(dian)動(dong)執(zhi)行(xing)機(ji)構的(de)(de)電(dian)(dian)(dian)機(ji)部(bu)分(fen)或位置定位器部(bu)分(fen);PM放(fang)大板工作不正常,不能發(fa)出(chu)對應的(de)(de)控(kong)制(zhi)信號(hao);固態(tai)繼電(dian)(dian)(dian)器部(bu)分(fen)損(sun)(sun)壞,不能將放(fang)大板送(song)來的(de)(de)弱(ruo)信號(hao)轉(zhuan)變成電(dian)(dian)(dian)機(ji)需要(yao)的(de)(de)強電(dian)(dian)(dian)信號(hao);電(dian)(dian)(dian)機(ji)熱保護開(kai)關損(sun)(sun)壞;力矩(ju)限(xian)制(zhi)開(kai)關損(sun)(sun)壞;行(xing)程限(xian)制(zhi)開(kai)關損(sun)(sun)壞;手動(dong)/自動(dong)開(kai)關位置選錯或開(kai)關損(sun)(sun)壞;電(dian)(dian)(dian)機(ji)損(sun)(sun)壞。
2)電動執行機(ji)構接受控制系統發出(chu)的開(kai)、關信號后,電機(ji)不轉,有嗡(weng)嗡(weng)聲。其可能(neng)原因是(shi):電機(ji)的啟動電容損壞;電機(ji)線圈匝(za)間輕微短路;電源電壓不夠。
3)電(dian)(dian)動執行(xing)機(ji)構接受控制系統發出的(de)開、關信號后,電(dian)(dian)機(ji)抖動,并伴有(you)咯(ge)咯(ge)聲,其原因(yin)可能(neng)是:PM放大板的(de)輸(shu)出信號不(bu)足(zu)不(bu)能(neng)使(shi)固態(tai)繼電(dian)(dian)器*導(dao)通,造成(cheng)電(dian)(dian)機(ji)的(de)加載電(dian)(dian)壓(ya)不(bu)足(zu);固態(tai)繼電(dian)(dian)器性能(neng)變壞,造成(cheng)其輸(shu)出端(duan)未*導(dao)通。