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ufo6363
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樓主  發(fā)表于: 2012-04-15 18:32
0.4KW的東元伺服馬達,,,用滾軸絲杠5MM的,,滾軸絲杠帶動(dòng)400KG的物體來(lái)回移動(dòng),馬達發(fā)熱嚴重啊。。算過(guò)載嗎、。 馬達參數,13KG/CM
chinazhu6666
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1樓  發(fā)表于: 2012-04-25 08:54
這個(gè)問(wèn)題。我倒是遇到過(guò),先是燒掉一個(gè)400W的東元的。然后發(fā)現是機械摩擦阻力過(guò)大造成過(guò)負載原因造成。反正90%的發(fā)熱都是過(guò)負載。要么機械原因,要么伺服功率過(guò)小,要么速度過(guò)快,要么加減速時(shí)間過(guò)短,要么爬坡速度太大,要么伺服在平穩運行階段,負載有軸向巨大沖擊力(比如某機床臺帶負載運行到加工位置,負載會(huì )因為某點(diǎn)某面被加工而產(chǎn)生橫向或者軸向應力,這個(gè)時(shí)候伺服就會(huì )因為力矩的巨大變化而“過(guò)熱”),總之,你把這些因素都考慮進(jìn)去,再綜合機械性能做出從最簡(jiǎn)單到最復雜,從最經(jīng)濟到最不劃算來(lái)指定整改方案。
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