A2FM63/61W-VBB020
A2FM63/61W-VBB020
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武漢金斯特液壓設備有限公司
銷售經理:李志龍
電話:027-85830898 手機:13808603867 傳真:027-85830812
武漢金斯特長期特價供應: 德國博世力士樂BOSCH Rexroth泵、閥、馬達,美國威格士Vickers泵、閥,萬福樂、意大利阿托斯ATOS、美國ASCO、美國SWAGELOK管閥件、韓國HY-LOK、霍尼韋爾等
柱塞泵 馬達
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軸向柱塞泵
是活塞或柱塞的往復運動方向與缸體中心軸平行的柱塞泵。
軸向柱塞泵利用與傳動軸平行的柱塞在柱塞孔內往復運動
所產生的容積變化來進行工作的。由于柱塞和柱塞孔都是
圓形零件,加工時可以達到很高的精度配合,因此容積效率高。
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柱塞泵的泵油機構包括兩套精密偶件:柱塞和柱塞套構成柱塞偶件、出油閥和出油閥座構成出油閥偶件。
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柱塞泵柱塞往復運動總行程L是不變的,由凸輪的升程決定。柱塞每循環(huán)的供油量大小取決于供油行程,供油行程不受凸輪軸控制是可變的。供油開始時刻不隨供油行程的變化而變化。轉動柱塞可改變供油終了時刻,從而改變供油量。柱塞泵工作時,在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下,迫使柱塞作上、下往復運動,從而完成泵油任務,泵油過程可分為以下三個階段。
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當凸輪的凸起部分轉過去后,在彈簧力的作用下,柱塞向下運動,柱塞上部空間(稱為泵油室)產生真空度,當柱塞上端面把柱塞套上的進油孔打開后,充滿在油泵上體油道內的柴油經油孔進入泵油室,柱塞運動到下止點,進油結束
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柱塞泵缸體鑲裝銅套的,可以采用更換銅套的方法安裝。首先把一組柱塞桿處徑修整到統(tǒng)一尺寸,再用1000#以上的砂紙拋光外徑。
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柱塞泵最重要的部件是軸承,如果軸承出現游隙,則不能保證液壓泵內部三對磨擦副的正常間隙,同時也會破壞各磨擦副的靜液壓支承油膜厚度,降低柱塞泵軸承的使用壽命。據液壓泵制造廠提供的資料,軸承的平均使用壽命為10000h,超過此值就需要更換新口。拆卸下來的軸承,沒有專業(yè)檢測儀器是無法檢測出軸承的游隙的,只能采用目測,如發(fā)現滾柱表面有劃痕或變色,就必須更換。
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高壓柱塞泵的使用壓力一般應在10MPa~100MPa之間。它屬于容積式泵,借助工作腔里的容積周期性變化來達到輸送液體的目的;原動機的機械能經泵直接轉化為輸送液體的壓力能;泵的容量只取決于工作腔容積變化值及其在單位時間內的變化次數,理論上與排出壓力無關。往復泵是借助于活塞在液缸工作腔內的往復運動(或通過隔膜、波紋管等撓性元件在工作腔內的周期性彈性變形)來使工作腔容積產生周期性變化的。在結構上,往復泵的工作腔是借助密封裝置與外界隔開,通過泵閥(吸入閥和排出閥)與管路溝通或閉合。
客戶對我們的評價:
質量看著就踏實,比那種小的有信心多了,可以長時間運轉,發(fā)熱小,一口氣抽了3噸油,很棒 很滿意吸油泵已經收貨,做工不錯,使用方便,很穩(wěn)定,噪音小,老板也很好,謝謝了好評噪音非常大,怎么解決
加油泵馬力十足,非常滿意,噪音小,做工也很不錯哦! 非常滿意!收到了,應用在來評價,包裝很好,
售后服務太差了,說好的給開發(fā)票,到現在都一個多月了,連個發(fā)票的影子也沒見,特意用了兩天才來評的,馬力很大,性能也很好,配件齊全,運行時聲音也很小,整體設計也很人性化,挺實在的好用這次購物非常開心,售后很耐心的解決問題,補發(fā)了寶貝,寶貝質量也很不錯,贊贊,謝謝,以后有機會一定繼續(xù)合作給別人買的,反應還不錯。。
售后服務太差了,說好的給開發(fā)票,到現在都一個多月了,連個發(fā)票的影子也沒見,油泵收到后用了一次,力量挺大的,不過噪音也有點大。客服的態(tài)度不錯,回應問題及時特別好用
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