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                                        為什么液壓軟管總成要做脈沖試驗?

                                        2017-03-09 0

                                        液壓軟管總成為什么要做脈沖試驗?我們從液壓軟管總成的使用環境、液壓軟管的本身特性、脈沖試驗的目的三方面來了解下液壓軟管總成做脈沖試驗的原因:

                                        一、液壓軟管總成的使用環境:我們知道液壓軟管總成通常是跟液壓系統搭配使用的,而液壓軟管要在液壓系統的瞬態壓力下進行安全工作,所以要做脈沖試驗;

                                        二、液壓軟管的本身特性:液壓管的標示上有幾個特性詞表明了管子的特性:Hose液壓軟管,WP(work pressure)是工作壓力及穩態壓力,BP(break pressure)破斷壓力后者是前者的十幾倍,國外的有可能達到百倍;

                                        三、脈沖試驗的目的:脈沖試驗是因為在恒壓變量泵的工作過程中,其理論曲線是無峰值阻尼效果的,但實際使用時,泵在0.1Ms內變量至全排量或某一排量時,其峰值總要超過理論曲線的,這一點就連力士樂等泵行業的老大都承認,只是峰值超調量的大小不同罷了,所以針對這樣的實際用途,各個廠都做脈沖壓力試驗,使管子在脈沖壓力條件下,盡早疲勞,測得更為詳細的數據。

                                        中國試驗機領導品牌-深圳市億威仕流體控制有限公司專業研發生適用于液壓軟(膠)管脈沖試驗設備及其他性能測試設備,如:管材耐壓爆破試驗機、管材氣密封性能試驗臺等。歡迎咨詢:0755-8889 8859 QQ:459675648。

                                        北京赛车计划数据
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