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          當(dāng)前位置: 首頁(yè) » 供應(yīng)產(chǎn)品 » 液壓機(jī)械 » 液壓元件 »力士樂DB10-2-5X/315大量現(xiàn)貨

          力士樂DB10-2-5X/315大量現(xiàn)貨

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          產(chǎn)品價(jià)格: 1/人民幣 
          最后更新: 2020-12-28 12:03:08
          產(chǎn)品產(chǎn)地: 國(guó)外國(guó)外
          發(fā)貨地: 德國(guó) (發(fā)貨期:當(dāng)天內(nèi)發(fā)貨)
          供應(yīng)數(shù)量: 不限
          有效期: 長(zhǎng)期有效
          最少起訂: 1
          瀏覽次數(shù): 48
          詢價(jià)  試用會(huì)員產(chǎn)品
        2. 公司基本資料信息
        3.  
          產(chǎn)品詳細(xì)說(shuō)明

          液壓泵是液壓系統(tǒng)的動(dòng)力元件,其功用是給液壓系統(tǒng)提供壓力油,從能量轉(zhuǎn)換角度講,它將是原動(dòng)機(jī)(如發(fā)動(dòng)機(jī))輸出的機(jī)械能轉(zhuǎn)換為便于輸送的液體的壓力能。液壓馬達(dá)則屬于執(zhí)行元件,它能將輸入液體的壓力能轉(zhuǎn)換為輸出軸轉(zhuǎn)動(dòng)的機(jī)械能,用來(lái)拖動(dòng)負(fù)載做功。根據(jù)結(jié)構(gòu)形式,液壓泵與液壓馬達(dá)具體可分為齒輪式、葉片式、柱塞式等類型。
          力士樂DB10-2-5X/315大量現(xiàn)貨
          力士樂DB10-2-5X/315大量現(xiàn)貨

          1.液壓泵壓力

          液壓泵工作壓力是指泵(或馬達(dá))在實(shí)際工作時(shí)輸出(或輸入)油液的壓力,由外負(fù)載決定。

          額定壓力是指在正常工作條件下,按試驗(yàn)標(biāo)準(zhǔn)規(guī)定能連續(xù)運(yùn)轉(zhuǎn)的高壓力。其大小受壽命的限制,若超過額定壓力工作,泵(或馬達(dá))的使用壽命將會(huì)比設(shè)計(jì)的壽命短。當(dāng)工作壓力大于額定壓力時(shí)稱超載。

          力士樂DB10-2-5X/315大量現(xiàn)貨
          力士樂DB10-2-5X/315大量現(xiàn)貨
          2.轉(zhuǎn)速

          工作轉(zhuǎn)速是指泵(或馬達(dá))在工作時(shí)的實(shí)際轉(zhuǎn)動(dòng)速度。

          額定轉(zhuǎn)速是指在額定壓力下,能連續(xù)長(zhǎng)時(shí)間正常運(yùn)轉(zhuǎn)的高轉(zhuǎn)速。若泵超過額定轉(zhuǎn)速工作將會(huì)造成吸油不足,產(chǎn)生振動(dòng)和大的噪聲,零件會(huì)遭受氣蝕損傷,壽命降低。

          低穩(wěn)定轉(zhuǎn)速是指馬達(dá)正常運(yùn)轉(zhuǎn)所允許的低轉(zhuǎn)速。在此轉(zhuǎn)速下,馬達(dá)不出現(xiàn)爬行現(xiàn)象。

          3.排量、流量

          排量是指泵(或馬達(dá))每轉(zhuǎn)一周,由密封容腔幾何尺寸變化而得的排出(或輸入)液體的體積,常用單位是ml/r(毫升/轉(zhuǎn))。排量可以通過調(diào)節(jié)發(fā)生變化的成為變量泵(或變量馬達(dá)),排量不能變化的成為定量泵(或定量馬達(dá))。

          實(shí)際流量是指泵(或馬達(dá))工作時(shí)出口處(或進(jìn)口處)的流量。由于泵本身存在內(nèi)泄漏,其實(shí)際流量小于理論流量。由于馬達(dá)本身也存在內(nèi)泄漏,要實(shí)現(xiàn)使用轉(zhuǎn)速,為補(bǔ)償泄漏量,其輸入實(shí)際流量大于理論流量。
          力士樂DB10-2-5X/315大量現(xiàn)貨
          力士樂DB10-2-5X/315大量現(xiàn)貨

          4.效率

          容積效率,對(duì)液壓泵是指其實(shí)際流量與理論流量的比值。對(duì)液壓馬達(dá)是指其理論流量與實(shí)際流量的比值。

          機(jī)械效率,對(duì)液壓泵是指其理論轉(zhuǎn)矩與實(shí)際輸入轉(zhuǎn)矩的比值。對(duì)液壓馬達(dá)其實(shí)際輸出的轉(zhuǎn)矩為理論轉(zhuǎn)矩克服摩擦力后的轉(zhuǎn)矩,因此其機(jī)械效率為實(shí)際輸出轉(zhuǎn)矩與理論轉(zhuǎn)矩的比值。

          總效率是指泵(或馬達(dá))的輸出功率與輸入功率的比值。總效率等于容積效率與機(jī)械效率的乘積。

          葉片泵安裝要求

          1.泵轉(zhuǎn)向改變,則其吸排方向也改變?nèi)~片泵都有規(guī)定的轉(zhuǎn)向,不允許反。因?yàn)檗D(zhuǎn)子葉槽有傾斜,葉片有倒角,葉片底部與排油腔通,配油盤上的節(jié)流槽和吸、排口是按既定轉(zhuǎn)向設(shè)計(jì)。可逆轉(zhuǎn)的葉片泵專門設(shè)計(jì)。

          2.葉片泵裝配配油盤與定子用定位銷正確定位,葉片、轉(zhuǎn)子、配油盤都不得裝反,定子內(nèi)表面吸入?yún)^(qū)部分易磨損,必要時(shí)可將其翻轉(zhuǎn)安裝,以使原吸入?yún)^(qū)變?yōu)榕懦鰠^(qū)而繼續(xù)使用。

          3.拆裝 注意工作表面清潔,工作時(shí)油液應(yīng)很好過濾。

          4. 葉片在葉槽中的間隙太大會(huì)使漏泄增加,太小則葉片不能自由伸縮,會(huì)導(dǎo)致工作失常。

          5.葉片泵的軸向間隙 對(duì)ηv影響很大。

          ?1)小型泵-0.015~0.03mm

          ?2)中型泵-0.02~0.045mm

          6.油液的溫度和粘度 一般不宜超過55℃,粘度要求在17~37mm2/s之間。粘度太大則吸油困難;粘度太小則漏泄嚴(yán)重。

          葉片泵

          PV7…A型直接控制變量葉片泵;

          PV7…A型液壓泵是直接控制(手動(dòng))的變量葉片泵。

          公稱規(guī)格10到25,1X/2X系列;工作壓力100bar;

          規(guī)格排量:10/14/20/25,流量;14.5/20/29/36L/min;

          機(jī)型規(guī)格BG06/06/20/20-公稱規(guī)格NS10/14/20/25等于規(guī)格10/14/20/25;

          PV7…A型直接控制變量葉片泵:在工作時(shí)擁有很短的控制時(shí)間,運(yùn)行時(shí)候噪聲低,泵的裝配和連接尺寸符合VDMA 24 560/1和ISO 3019/2標(biāo)準(zhǔn);

          PV7葉片泵擁有的工作效率,工作時(shí)效率高,可以長(zhǎng)時(shí)間使用的壽命長(zhǎng),是一個(gè)可變排量泵;

          PV7…A直接控制葉片泵:PV7…A型帶1X系列BS 06(10到29),和2X系列BS 20(20到29);

          PV7…A型葉片泵用于兩種BG和NS型機(jī)型規(guī)格與公稱規(guī)格;

          06-10/06-14/20-20/20-25;

          泵從軸端看所適用的旋轉(zhuǎn)方向是向右R順時(shí)針,兩種驅(qū)動(dòng)軸A圓柱形驅(qū)動(dòng)軸和E圓柱形驅(qū)動(dòng)軸帶通軸驅(qū)動(dòng);油管連接01是進(jìn),出油的連接;

          葉片泵的密封元件用于NBR密封M,和FKM軸封K密封;

          三種泵的調(diào)節(jié)元件:0調(diào)節(jié)螺釘標(biāo)準(zhǔn)型,3的一次帶可斷的可鎖旋鈕,3帶鎖的控制器;

          PV7型變量葉片泵多種零排量壓力范圍:05/10/04/07/02/05/10/;

          變量葉片泵PV7…A型直接控制:泵主要是由泵體,端蓋,轉(zhuǎn)子,葉片,定子環(huán),壓縮彈簧,調(diào)節(jié)螺釘和配油盤等組成。
          力士樂DB10-2-5X/315大量現(xiàn)貨
          力士樂DB10-2-5X/315大量現(xiàn)貨也可能是水泵方面原因:選用動(dòng)力不配套,小馬拉大車,電動(dòng)機(jī)長(zhǎng)時(shí)間過載運(yùn)行,使電動(dòng)機(jī)溫度過高;啟動(dòng)過于頻繁、定額為短時(shí)或斷續(xù)工作制的電動(dòng)機(jī)連續(xù)工作。應(yīng)限制啟動(dòng)次數(shù),正確選用熱保護(hù),按電動(dòng)機(jī)上標(biāo)定的定額使用。還可能是電動(dòng)機(jī)本身原因:接法錯(cuò)誤,將形誤接成Y形,使電動(dòng)機(jī)的溫度迅速升高;定子繞組有相間短路、匝間短路或局部接地,輕時(shí)電動(dòng)機(jī)局部過熱,嚴(yán)重時(shí)絕緣燒壞;鼠籠轉(zhuǎn)子斷條或存在缺陷,電動(dòng)機(jī)運(yùn)行1至2小時(shí),鐵芯溫度迅速上升;通風(fēng)系統(tǒng)發(fā)生故障,應(yīng)檢查風(fēng)扇是否損壞,旋轉(zhuǎn)方向是否正確,通風(fēng)孔道是否堵塞;軸承磨損、轉(zhuǎn)子偏心掃膛使定轉(zhuǎn)子鐵心相擦發(fā)出金屬撞擊聲,鐵芯溫度迅速上升,嚴(yán)重時(shí)電動(dòng)機(jī)冒煙,甚至線圈燒毀。
          4WE10Y50/EG24N9K4/M
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