描述
切紙機(jī)械是印刷和包裝行業(yè)最常用的設(shè)備之一。切紙機(jī)完成的最基本動(dòng)作是把待裁切的材料送到指定位置,然后進(jìn)行裁切。其控制的核心是一個(gè)單軸定位控制。我公司引進(jìn)歐洲一家公司的兩臺(tái)切紙?jiān)O(shè)備,其推進(jìn)定位系統(tǒng)的實(shí)現(xiàn)是利用單片機(jī)控制,當(dāng)接收編碼器的脈沖信號(hào)達(dá)到設(shè)定值后,單片機(jī)系統(tǒng)輸出信號(hào),斷開(kāi)進(jìn)給電機(jī)的接觸器,同時(shí)電磁離合制動(dòng)器的離合分離,剎車制動(dòng)推進(jìn)系統(tǒng)的慣性,從而實(shí)現(xiàn)精確定位。由于設(shè)備的單片機(jī)控制系統(tǒng)老化,造成定位不準(zhǔn),切紙動(dòng)作紊亂,不能正常生產(chǎn)。但此控制系統(tǒng)是早期產(chǎn)品,沒(méi)有合適配件可替換,只能采取改造這一途徑。目前國(guó)內(nèi)進(jìn)行切紙?jiān)O(shè)備進(jìn)給定位系統(tǒng)改造主要有兩種方式,一是利用單片機(jī)結(jié)合變頻器實(shí)現(xiàn),一是利用單片機(jī)結(jié)合伺服系統(tǒng)實(shí)現(xiàn),不過(guò)此兩種改造方案成本都在兩萬(wàn)元以上。并且單片機(jī)系統(tǒng)是由專業(yè)開(kāi)發(fā)公司設(shè)計(jì),技術(shù)保守,一旦出現(xiàn)故障只能交還原公司維修或更換,維修周期長(zhǎng)且成本高,不利于改造后設(shè)備的維護(hù)和使用。我們結(jié)合自己設(shè)備的特點(diǎn)提出了新的改造方案,就是用PLC的高速計(jì)數(shù)器功能結(jié)合變頻器的多段速功能實(shí)現(xiàn)定位控制,并利用hmi(人機(jī)界面humanmachineinterface)進(jìn)行裁切參數(shù)設(shè)定和完成手動(dòng)操控。
產(chǎn)品廣泛應(yīng)用于:電力、石油、礦井提升、港口、供熱、燃?xì)狻⒐┧?、污水處理、冶金、造紙、紡織、化工、水利等現(xiàn)代化工業(yè)領(lǐng)域!
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(福克斯波羅):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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