20V4A葉片泵可報價   20V4A葉片泵可報價

近年來，隨著液壓系統(tǒng)向大型化、連續(xù)生產(chǎn)、自動控制方向發(fā)展，又出現(xiàn)了多種現(xiàn)代故障診斷方法。如鐵譜技斷，可從油液中分離出來的各種磨粒的數(shù)量、形狀、尺寸、成分以及分布規(guī)律等情況，及時、準確地判斷出系統(tǒng)中元件的磨損部位、形式、程度等。而且可對液壓油進行定量的污染分析和評價，做到在線檢測和故障預防。再如基于人工智能的診斷系斷，它通過計算機模仿在某一領(lǐng)域內(nèi)有經(jīng)驗解決問題的方法。將故障現(xiàn)象通過人機接口輸入計算機，計算機根據(jù)輸入的現(xiàn)象以及知識庫中的知識，可推算出引起故障的原因，然后通過人機接口輸出該原因，并提出維修方案或預防措施。這些方法給液壓系統(tǒng)故障診斷帶來廣闊的前景，給液壓系統(tǒng)故障診斷自動化奠定了基礎。但這些方法大都需要昂貴的檢測設備和復雜的傳感控制系統(tǒng)和計算機處理系統(tǒng)，有些方法研究起來有一定困難。目前不適應于現(xiàn)場推廣使用。下面介紹一種簡單、實用的液壓系統(tǒng)故障診斷方法。

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2520V雙聯(lián)葉片泵    

一個液壓系統(tǒng)工作是否正常，關(guān)鍵取決于兩個主要工作參數(shù)即壓力和流量是否處于正常的工作狀態(tài)，以及系統(tǒng)溫度和執(zhí)行器速度等參數(shù)的正常與否。液壓系統(tǒng)的故障現(xiàn)象是各種各樣的，故障原因也是多種因素的綜合。同一因素可能造成不同的故障現(xiàn)象，而同一故障又可能對應著多種不同原因。例如：油液的污染可能造成液壓系統(tǒng)壓力、流量或方向等各方面的故障，這給液壓系統(tǒng)故障診斷帶來極大困難。

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