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cztone
遠不只是近
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樓主  發(fā)表于: 2016-06-09 19:14
有一工件，直接用伺服軸上套齒輪42個(gè)齒，電機2000r/min,編碼器2500線(xiàn)，每轉N個(gè)脈沖為1個(gè)齒，可每轉1個(gè)齒，360/42等于有余數，我想做成4200個(gè)脈沖，每轉一個(gè)齒為100個(gè)脈沖。電子齒輪比設定上限為32767,齒輪比設定多少為好，請高手相教，不甚感激！
ajd186
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1樓  發(fā)表于: 2016-06-12 07:04
編碼器是10000脈沖一轉，如果你PLC發(fā)5000脈沖讓電機轉一圈，那電子齒輪比為2比1。PLC發(fā)5000/42個(gè)脈沖齒輪轉1齒。
你選的硬件確定了你的最高精度10000/42=238.09......1齒的距離如果是8mm，那1個(gè)脈沖就是8*42/10000=0.0336mm。
電子齒輪比為2比1，那PLC發(fā)1個(gè)脈沖電機就走2*0.0336=0.0678mm。
如果你用40齒的話(huà)好算些。

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