numatics汽缸@numatics汽缸壓力計(jì)算

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美國紐曼帝克（Numatics)公司有一種氣閥，采用間隙密封，通氣后閥芯在閥體內(nèi)呈懸浮狀態(tài)，形成無摩擦運(yùn)動，還有自防塵功能，閥的壽命可過2億次，這雖然是個老產(chǎn)品，還是值得借鑒。氣動元件大多用于自動生產(chǎn)線上，元件的故障往往會影響全線的運(yùn)行，生產(chǎn)線的突然停止，造成的損失嚴(yán)重，為此，對氣動元件的工作可靠性提出了高要求。江蘇某化纖公司要求供應(yīng)的氣動元件在設(shè)定壽命內(nèi)可靠，到期不管能否繼續(xù)使用，全部更換。這里又提出了各類元件壽命的平衡問題，即所謂等壽命設(shè)計(jì)。有時為了保證工作可靠，不得不犧牲壽命指標(biāo)，因此，氣動系統(tǒng)的自診斷功能提到了議事日程上，附加預(yù)測壽命等自診斷功能的元件和系統(tǒng)正在開發(fā)之中。隨著機(jī)械裝置的多功能化，接線數(shù)量越來越多，不僅增加了安裝、維修的工作量，也容易出現(xiàn)故障，影響工作可靠性，因此配線系統(tǒng)的改進(jìn)也為氣動元件和系統(tǒng)設(shè)計(jì)人員所重視。 

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numatics汽缸@numatics汽缸壓力計(jì)算