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lixiang409x
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樓主  發(fā)表于: 2015-08-12 16:53
用FX3U怎么做自動(dòng)張力運算，用什么公式。
小侯
小侯
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1樓  發(fā)表于: 2015-08-13 11:16
若知道軸徑、材料厚度、馬達RPM、減速比
那就能算出捲料速度
假設
軸徑80cm厚度1cm、馬達60hz1800rpm、減速比1/30
那捲料機在60hz時(shí)每分鐘60轉每秒1轉
當無(wú)料時(shí)
0.8*3.14*1=2.512m/s
當10層時(shí)
0.9*3.14*1=2.826m/s
若是你維持在60hz時(shí)入料米速會(huì )越來(lái)越快
這時(shí)候要將變頻器降低頻率為53.28HZ
0.9*3.14*0.888=2.509M/S
以上為理論值實(shí)際再用可能要加一些參數作一些調整
若你捲取的材料能夠用測距方式取得現在軸徑應該會(huì )比較準確些
[ 此帖被小侯在2015-08-13 11:33重新編輯 ]

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