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jum1982
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樓主  發(fā)表于: 2018-09-28 15:04
轉速=(指令脈沖頻率*60)/編碼器分辨率*電子齒輪比

指令脈沖頻率=編碼器分辨率/電子齒輪比*轉速/60
hxl202319
工資就像大姨媽?zhuān)辉乱淮,一周就沒(méi)了
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1樓  發(fā)表于: 2018-09-30 22:51
現在很多的伺服電子齒輪比不用那么復雜,直接輸入1圈多少個(gè)脈沖就可以,譬如說(shuō)10000,那么10000個(gè)脈沖就是1圈,然后結合絲桿步距,譬如一圈步距為10mm,那么1個(gè)脈沖就是走1um。還有脈沖頻率,如果你想3000轉/分鐘,那么就是10000*3000/60=500KHz,這個(gè)頻率已經(jīng)將大部分的PLC都拋棄不能用了。這個(gè)時(shí)候怎么辦呢,只有降低10000的值,譬如是2000,那么想3000轉就是100KHz,這個(gè)頻率基本都能達到。
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