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1120795098
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樓主  發(fā)表于: 2015-06-25 20:51
有做過(guò)的朋友指教下,因為沒(méi)有調試的條件。有些問(wèn)題有點(diǎn)模糊。行走脈沖數跳至設定脈沖數裁切,氣缸下壓到板需要一段時(shí)間。是要減去這段時(shí)間的脈沖數。就是不知這段時(shí)間多長(cháng),脈沖多少?如何計算?請各位指點(diǎn),有例程最好。多謝。
jemslin
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1樓  發(fā)表于: 2015-06-26 08:24
這個(gè)問(wèn)題不是三言?xún)烧Z(yǔ)的,一般是脈衝數到了暫停等裁剪氣扛下壓完成,回復到一定的高度時(shí)再繼續下一個(gè)行程計數,問(wèn)題來(lái)了,如果是定長(cháng)的應該沒(méi)什麼問(wèn)題,如果是每一片都要加長(cháng)一個(gè)數據,碰到小數點(diǎn)PLC對小數的處理可取整數或者四捨五入,那麼,越來(lái)誤差就越大,程式還得做修正補償。
有的人認為停下剪裁效率不高,要求邊走邊剪裁,於是發(fā)展出"飛剪"就是裁刀與工件的速度同步,剪下時(shí)才不會(huì )擠壓到工件,至於要做到準確與否,要有一定時(shí)間的經(jīng)驗與調試。

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