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valentine_xu
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樓主  發(fā)表于: 2019-06-15 08:14
三菱fx3ga控制mrj4-a驅動(dòng)器，運轉正常。也能定位，為什么斷電之后。電機軸用手轉動(dòng)費勁，沒(méi)帶負載。但是，不是上電鎖死那種。也能轉動(dòng)，但是費力。把電源線(xiàn)解開(kāi)就轉動(dòng)很輕松。停電三天了還是這樣。這是為什么，大神們？
suegu2
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1樓  發(fā)表于: 2019-06-17 09:08
玩過(guò)步進(jìn)電機的都知道 把任意一個(gè)線(xiàn)圈的兩端短路，電機軸轉動(dòng)就會(huì )有阻力，斷開(kāi)就輕松了

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