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wsdhf1983
級別: 探索解密
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發(fā)帖數量: 18 個(gè)
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在線(xiàn)時(shí)間: 21(小時(shí))
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樓主  發(fā)表于: 2011-10-20 19:14
如題
兩只油缸為雙速油缸,大缸活塞桿中有一個(gè)小活塞,實(shí)現快進(jìn)動(dòng)作,現在要求兩只油缸工作時(shí)同步性要控制在1mm之間,每只油缸分別有兩臺流量為180L/min的定量柱塞泵供油,油缸換向閥是力士樂(lè )25通徑電液比例換向閥,溢流閥是油研電液比例溢流閥,問(wèn)要選擇什么型號的PLC和傳感器?
wsdhf1983
級別: 探索解密
精華主題: 0
發(fā)帖數量: 18 個(gè)
工控威望: 123 點(diǎn)
下載積分: 555 分
在線(xiàn)時(shí)間: 21(小時(shí))
注冊時(shí)間: 2011-01-12
最后登錄: 2016-11-09
查看wsdhf1983的 主題 / 回貼
1樓  發(fā)表于: 2011-10-23 21:31
快進(jìn)速度大約150-200mm/s,工進(jìn)速度50mm/s,這幾年一直給一個(gè)廠(chǎng)家配套做這樣的液壓系統(不包括電控),對方廠(chǎng)家工程師說(shuō)能達到這種精度,至今都表示懷疑的。
位移量檢測是用的編碼器,PLC用的是三菱Q系列的,油溫由自動(dòng)控溫裝置控制,F在老板準備自己做成套設備,發(fā)現電控成了一道坎,最糟糕的是還要增加一套中頻爐到系統中,壓力很大!
      

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