描述
同時,鼓勵用戶參與,比如用戶提出需求,廠家利用智能制造系統(tǒng)生產(chǎn)個性化產(chǎn)品;用戶在使用過程中提出產(chǎn)品改進意見,廠家不斷更新軟件提高產(chǎn)品性能。產(chǎn)品智能化為豐富用戶服務(wù)打開了無窮的空間,進而形成了巨大的產(chǎn)業(yè)生態(tài)圈。從用戶端來看,智能產(chǎn)品將產(chǎn)生大量的服務(wù),如國外企業(yè)在網(wǎng)球拍內(nèi)置智能模塊后,利用球手運動的數(shù)據(jù)提高球手訓(xùn)練水平成為新的業(yè)務(wù);國內(nèi)機床企業(yè)開發(fā)出智能機床后,編程服務(wù)成為新的業(yè)務(wù)。從企業(yè)端來看,智能平臺上可以搭載各種形式的應(yīng)用,為細(xì)分市場用戶提供差異化服務(wù)。由此,用戶選擇產(chǎn)品時考慮的因素將從產(chǎn)品提供商擴展到產(chǎn)業(yè)生態(tài)圈,參與服務(wù)企業(yè)的數(shù)量越多、實力越強,用戶獲得的服務(wù)質(zhì)量和種類越多,在市場競爭中就越容易獲得優(yōu)勢。電動機運行不正常故障主要與接線不正確、參數(shù)設(shè)定不正確、變頻器容量太小、負(fù)載太大、變頻器或電動機本身故障等原因有關(guān)。
首先應(yīng)區(qū)別是新裝機還是維護后發(fā)生,是由負(fù)載原因還是由變頻器的原因引起的。對于維護后出現(xiàn)電動機運行不正常的故障,只要再重復(fù)維護時的檢查路徑,檢查一下連接線是否有松動或沒有連接等,一般即可恢復(fù)正常工作。如果是新裝機,最簡便、快捷的辦法是檢查是否有參數(shù)設(shè)定錯誤,恢復(fù)出廠值,在手動方式下啟動,這樣可以排除是否是變頻器本身的故障,還是電動機本身的問題以及參數(shù)設(shè)定錯誤,這樣區(qū)分后就能縮小查找故障的范圍,以便于快速排除故障。具體方法如下:在從外觀上看不出明顯的故障痕跡的前提下,在手動方式下啟動變頻器控制系統(tǒng),如果調(diào)速正常,則可斷定為參數(shù)設(shè)定錯誤所至,重新設(shè)定參數(shù)即可,在參數(shù)設(shè)定時除了公用的特性參數(shù)外,對于其他的功能參數(shù)的設(shè)定,最好是一項一項地設(shè)定并試運行,直至所需的功能參數(shù)全部正常為止,這樣在每一步操作中都可以及時發(fā)現(xiàn)錯誤、糾正錯誤;如果調(diào)速不正常,可以先將變頻器連接到電動機的電纜拆下,分別試驗變頻器和電動機,以區(qū)分故障是發(fā)生在變頻器還是電動機。如果變頻器還連接有外部控制信號電路,最好也斷開,這樣可用手動方式試驗變頻器,如果正常,說明變頻器沒有問題或沒有損壞,但還要進一步檢查設(shè)定值是否有變化,最好重新設(shè)定一遍。另外,電動機運行不正常故障還有振動和噪聲問題,振動通常是由于電動機的脈動轉(zhuǎn)矩及機械系統(tǒng)的共振引起的,特別是當(dāng)脈動轉(zhuǎn)矩與機械共振點恰好一致時更為嚴(yán)重。噪聲通常分為變頻器噪聲和電動機噪聲,對于電動機噪聲,不同的安裝場所應(yīng)采取不同的處理措施,變頻器在調(diào)試過程中,在保證控制精度的前提下,應(yīng)盡量減小脈沖轉(zhuǎn)矩成分,并應(yīng)注意確認(rèn)機械共振點,利用變頻器的頻率屏蔽功能,使這些共振點排除在運行范圍之外。如果是電動機故障,按下列步驟順序檢查。
產(chǎn)品承諾
保?證?全新原裝進口,
保?證?安全準(zhǔn)時發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢價格,大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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