操作過力士樂葉片泵的用戶都了解,力士樂葉片泵多作為神、低液壓源使用。注意使用液壓油的粘度,推薦使用2.5-5°E50粘度的油液,定期檢查油液或成分,油箱容里應(yīng)為泵每分鐘流里的3 ~6倍等。要注意防止承受抽向力,否則會(huì)導(dǎo)致配油盤的早期磨損,引起壓力和效率的下降。力士樂葉片泵進(jìn)油管不得漏氣。那么在安裝、使用時(shí)要注意應(yīng)該要注意哪幾點(diǎn)呢?今天星興達(dá)液壓就來給大家說一說力士樂葉片泵進(jìn)油管不得扁氣在安裝使用時(shí)要注意應(yīng)該要注意如下:
一、對(duì)力士樂葉片泵的要求
1、力士樂葉片泵的轉(zhuǎn)速要求較高,當(dāng)轉(zhuǎn)速過低啟動(dòng)時(shí),力士樂葉 片泵不能緊貼定子內(nèi)表面,壓力建立不起來,轉(zhuǎn)速過高會(huì)造成泵吸油不足而產(chǎn)生吸空現(xiàn)象。
2、力士樂葉片泵的抗污染能力比齒輪泵差。為此,進(jìn)油路濾油器精度設(shè)為308mum。二、力士樂葉片泵與力士樂葉片馬達(dá)故障與排除泵不出油,壓力表顯示沒有壓力1、油箱液面過低:向油箱內(nèi)加液壓油。2、吸油管或?yàn)V油器污物堵塞:清除污物。
3、吸油腔部分(油封,泵體吸油管接頭)漏氣:吸油腔是否有砂眼或氣孔,有則更換泵體。吸油管是否有裂縫,管接頭螺母是否擰緊,油封密封性能及質(zhì)里。
4、葉片在轉(zhuǎn)子槽內(nèi)被卡住,根本拋不出來,或者葉片折斷,葉片折斷造成高、低壓腔形成互通。葉片與槽配合過緊應(yīng)為滑動(dòng)配合,其配合間隙為0.0150.02m,并應(yīng)去毛刺。
5、配油盤缺損及配油盤與泵體接觸不良,造成密封區(qū)域被溝通,配油蓋側(cè)面有微小變形,修整配油盤與轉(zhuǎn)子的接觸面。
6、電機(jī)反轉(zhuǎn):將電機(jī)反向旋轉(zhuǎn)。
7、油液粘度過大:改用適當(dāng)粘度的油液。
8、未裝連接器或花鍵軸不轉(zhuǎn)或花鍵軸扭斷等:裝上連接鍵,更換花鍵軸。
9、吸油管過長(zhǎng):使泵靠近油箱,即相應(yīng)縮短了進(jìn)油管的長(zhǎng)度。
10、泵體質(zhì)里(砂眼、氣孔等):調(diào)換新泵體。
11、泵的轉(zhuǎn)速太低:調(diào)整轉(zhuǎn)速更換電機(jī)。
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