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yechengguit
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樓主  發(fā)表于: 2018-04-11 22:48
我這有一種機器,原來(lái)用的是2KW  7.7N.M的伺服電機。由于機器轉速不高,精度要求也不高。為了節約成本,想換成閉環(huán)步進(jìn)電機,不知道該選什么參數的電機,請高手們指點(diǎn)一下吧。感激不盡。
michael.guan
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1樓  發(fā)表于: 2018-04-12 08:20
看步進(jìn)電機的轉矩曲線(xiàn),一般步進(jìn)電機的轉速要控制200-300轉/分鐘,根據轉矩曲線(xiàn)上在這個(gè)轉速區間的轉矩是否能夠滿(mǎn)足你的要求,一般低壓步進(jìn)電機(DC48V以下的步進(jìn)電機)的轉速在超過(guò)200轉/分鐘之后,轉矩會(huì )直線(xiàn)下降,而高壓步進(jìn)電機(DC48V以上或交流步進(jìn)電機)的轉速在300轉/分鐘以上的時(shí)候轉矩才會(huì )有明顯的下降。

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