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1935807118
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樓主  發(fā)表于: 2020-04-21 09:28
最近在幫朋友搞臺口罩機的程序,剛開(kāi)始是1臺伺服馬達通過(guò)同步輪同步帶齒輪鏈條及分割器完成主送料 送鼻梁 切鼻梁 裝鼻梁 最終切片,伺服馬達只管一直轉,所有動(dòng)作都是通過(guò)機構來(lái)完成,這樣子的話(huà)程序就比較簡(jiǎn)單,后面由于機構調試不方便,現在把送鼻梁通過(guò)一臺伺服完成,切鼻梁用氣缸切,裝鼻梁也是單獨一臺伺服,這樣子的話(huà)就有3臺伺服了,正常生產(chǎn)中主軸送料伺服是不停一直轉的,主軸每轉半圈會(huì )有一個(gè)光電開(kāi)關(guān)給裝鼻梁伺服動(dòng)作信號,在裝鼻梁伺服動(dòng)作的過(guò)程中主軸也是一直轉,感覺(jué)這樣子的話(huà)很難保證每次裝鼻梁的精度,不知道大家有沒(méi)有什么好的方法,還望指點(diǎn)一二,謝謝!
holdkcxyz
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1樓  發(fā)表于: 2020-04-21 10:03
        這樣用光電開(kāi)關(guān)校正精度不高還是可以的,鏈條或皮帶剛性不是很強一直向一個(gè)方向轉的不能僅靠電機的編碼器來(lái)測速或定位(累計偏差無(wú)法消除)所以要對刀,有往復運動(dòng)的絲桿可以這樣做,還可以采用摩擦輪或者直接很剛性耦合從動(dòng)輪測速,測距。

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