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全系列型號(hào)ECONEX電動(dòng)執(zhí)行器AB1A3002-SE4技術(shù)參數(shù)
全系列型號(hào)ECONEX電動(dòng)執(zhí)行器AB1A3002-SE4技術(shù)參數(shù)
以及布料外表的毛化加工等。六）消除應(yīng)力及表面強(qiáng)化消除應(yīng)力，通過(guò)砂丸敲擊工件表面。增加工件表面強(qiáng)度，如彈簧、機(jī)加工刀具和飛機(jī)葉片等工件的外表處置。清理等級(jí)代表性規(guī)范有兩種：一種是美國(guó)85年制訂SSPC-第二種是瑞典76年制訂的Sa-分為四個(gè)等級(jí)分別為Sa1Sa2Sa2.5Sa3為慣常通用標(biāo)準(zhǔn)，也即清潔度。詳細(xì)介紹如下：這是四種清潔度中度低的一級(jí)，Sa1級(jí)相當(dāng)于美國(guó)SSPCSP7級(jí)。采用一般簡(jiǎn)單的手工刷除、砂布打磨方法。

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儀表本身的可靠性有了顯著提高。通過(guò)改進(jìn)儀表的結(jié)構(gòu)設(shè)計(jì)，使系統(tǒng)可靠性獲得提高。采用不斷流插入式結(jié)構(gòu)，可在不影響工藝操作的情況下更換流量計(jì)。超聲流量傳感器的夾式結(jié)構(gòu)，電磁流量傳感器電極的帶壓更換結(jié)構(gòu)，渦街流量傳感器采用管外安超聲探頭的結(jié)構(gòu)等，都能在儀表?yè)p壞后的修理過(guò)程大大縮短修復(fù)時(shí)間。引入冗余技術(shù)。如采用雙傳感器，并對(duì)傳感器的正常與否進(jìn)行自動(dòng)判斷，將發(fā)生故障的那路信號(hào)予以剔除。引入自診斷技術(shù)，并通過(guò)現(xiàn)場(chǎng)總線將診斷結(jié)果送到操作站或?qū)Ｓ玫脑O(shè)備管理系統(tǒng)(AMS)予以顯示報(bào)警，以及時(shí)發(fā)現(xiàn)故障，及早采取措施。